Library - Resources - ISC Proceedings Japan 1981

Agusti, M., V. Almela and J. L. Guardiola (1981). The regulation of fruit cropping in mandarins through the use of growth regulators . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 216-220.

Albrigo, L. G., C. C. Childers and J. P. Syvertsen (1981). Structural damage to citrus leaves from spider mite feeding . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 649-652.

Albrigo, L. G., M. A. Ismail, P. W. Hale and T. T. Hatton, Jr. (1981). Shipment and storage of Florida grapefruit using Unipack film barriers . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 714-717.

Alvarez, M. and A. Correa (1981). The influence of morphological and nutritional characteristics on citrus productio as part of the study made at the Ceiba del Agua Enterprise . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 561-563.

Amih, C. A. (1981). The problems of production, storage and marketing of citrus in Nigeria . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 847-849.

anon. (1981). By-laws International Society of Citriculture . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: xi-xii.

anon. (1981). Program, 1981 International Citrus Congress : final circular  November 1981 , [Tokyo], International Citrus Congress : 18.

Argyriou, L. C. and P. A. Mourikis (1981). Current status of citrus pests in Greece . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 623-627.

Arimoto, Y., Y. Homma and T. Misato (1981). The significance of the callus formation on citrus . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 374-379.

Arocena, G. and F. Favaro (1981). The program for control and prevention of citrus bacterial canker disease ( Xanthomonas campestris pv. citri ) in Uruguay . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 409-414.

Artes Calero, F., M. C. Guillen and A. Escriche (1981). Physiological disorders in the storage of lemon fruits . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 768-772.

Bar Joseph, M., C. N. Roistacher, S. M. Garnsey and D. J. Gumpf (1981). A review on tristeza, an ongoing threat to citriculture . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 419-423.

Barbagallo, S. (1981). Integrated control of citrus pests in Italy . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 620-623.

Barbera, G., G. Fatta del Bosco, G. Occorso and B. Lo Cascio (1981). Some aspects on water stress physiology on forced lemon ( Citrus limon Burm) trees . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 522-523.

Barkai-Golan, R. and R. Padova (1981). Eradication of Penicillium on citrus fruits by electron radiation . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 799-801.

Barrett, H. C. (1981). Breeding cold-hardy citrus scion cultivars . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 61-66.

Barrett, H. C. and D. J. Hutchison (1981). Occurrence of a spontaneous octoploid in apomictic seedlings of a tetraploid Citrus hybrid . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 29-30.

Bedford, E. C. G. and J. H. Grobler (1981). The current status of the biological control of red scale, Aonidiella aurantii (Mask.) on citrus in South Africa . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 616-620.

Ben Yehoshua, S. and B. Shapiro (1981). Effects of pre- and postharvest applications of ethylene-releasing agents and auxins, and individual seal-packaging with high-density polyethylene film, on coloration of citrus fruit and its quality . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 226-229.

Ben Yehoshua, S., B. Shapiro and Z. Even Chen (1981). Mode of action of individual seal-packaging in high-density polyethylene (HDPE) film in delaying deterioration of lemons and bell pepper fruits . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 718-721.

Beppu, E., Z. Ishida and A. Oowada (1981). Preferable pretreatment and storage conditions for Iyo tangor . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 753-756.

Berry, R. E. (1981). Recent developments in citrus processing, products and specialty products . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 896-899.

Bhavakul, K., S. Intavimolsri, S. Vichitrananda, C. Kratureuk and M. Promintara (1981). The current citrus disease situation in Thailand with emphasis on citrus greening . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 464-466.

Bielorai, H., S. Dasberg, Y. Erner and M. Brum (1981). The effect of various soil moisture regimes and fertilizer levels on citrus yield response under partial wetting of the root zone . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 585-589.

Bitters, W. P., D. A. Cole and C. D. McCarty (1981). Effect of budding height on yield and tree size of 'Valencia' orange on two rootstocks . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 109-110.

Bitters, W. P., D. A. Cole and C. D. McCarty (1981). Effect of height and length of reciprocal interstock insertion on yield and tree size of 'Valencia' oranges . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 110-113.

Blandini, G., F. Petrone and S. Sisinna (1981). Trials of mechanical pruning machines in Italian citriculture . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 180-184.

Bono, R., L. Fernández de Córdova and J. Soler (1981). 'Arrufatina', 'Esbal' and 'Guillermina', three clementine mandarin mutations recently discovered in Spain . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 94-96.

Borrel, M. and A. Díaz (1981). Effects of mechanical pruning on yield of citrus trees . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 190-194.

Borroto, C. G., V. M. Lopez, A. Gonzalez and L. Pyla (1981). Orange drop under tropical conditions and measures of control . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 268-271.

Bosco, G. F. D., G. Barbera and G. Occorso (1981). Drip irrigation trials on mandarin ( Citrus reticulata Blanco) in Sicily . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 506-508.

Bosque, L. and L. Victorero (1981). Proposal of a method for testing the quality of citrus in large lots . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 852-853.

Brewer, R. F. and C. D. Leonard (1981). Fluorine accumulation in and toxicity to citrus under field conditions . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 301-304.

Broadbent, P. (1981). Armillaria root rot of citrus in New South Wales, Australia . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 351-353.

Brown, G. E. (1981). Investigations with experimental citrus postharvest fungicides in Florida . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 815-818.

Burger, D. W. and W. P. Hackett (1981). Regeneration of buds and roots from several citrus tissues . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 161-163.

Cabrera, A. M. and H. Lima (1981). Peroxidase activity during fruit development in the so-called "acidic fruits" of citrus . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 13-17.

Calabrese, F., L. D. Marco and L. Di Marco (1981). Researches on the "forzatura" of lemon trees . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 520-521.

Calabrese, F., A. d. Michele and L. Colajanni (1981). Effects of hail protection nets on 'Washington' navel orange . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 207-209.

Calavan, E. C., L. G. Weathers, M. K. Harjung and R. L. Blue (1981). Spread of the exocortis viroid during 14 years in a lemon orchard in southern California . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 433-436.

Calvert, D. V., M. Cohen, L. H. Allen, Jr. and F. G. Martin (1981). Deep tillage, liming and drainage affects citrus growth and yields . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 534-536.

Camacho-B, S. E. (1981). Citrus culture in the high altitude American tropics . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 321-325.

Cambra, M., A. Hermoso de Mendoza, P. Moreno and L. Navarro (1981). Use of enzyme-linked immunosorbent assay (ELISA) for detection of citrus tristeza virus (CTV) in different aphid species . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 444-448.

Cary, P. R. (1981). Citrus tree density and pruning practices for the 21st Century . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 165-168.

Cary, P. R. (1981). Soil management factors affecting growth and yield of citrus trees . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 527-530.

Casamayor, R., L. Bello, P. Ramírez and R. García (1981). Pre- and postharvest performance of 'Orlando' tangelos in Cuba . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 78-81.

Casamayor, R., R. Garcia and N. Arias (1981). Chemical weed control and its influence on the production of 'Valencia late' oranges ( Citrus sinensis L.) . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 496-498.

Cassin, P. J., P. Brun, A. M. Blondel Triboi, C. Juste, J. Marchal, P. Lossois, X. Perrier and P. Favreau (1981). A molybdenum deficiency in citrus in Corsica increased by sulfate applications . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 551-554.

Castle, W. S. (1981). A review of citrus seed biology and its relationship to nursery practices . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 113-119.

Castro Lopez, T. (1981). Methods for inducing stylar-end breakdown in Persian limes . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 745-748.

Castro Lopez, T., I. Izquierdo and L. Perez (1981). Response of lemons to various harvesting and postharvest treatments . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 737-739.

Catara, A., G. Cartia and M. Davino (1981). Citrus virus diseases in Italy: past, present, and a look to the future . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 426-430.

Chalutz, E., J. Waks and M. Schiffmann Nadel (1981). The different responses of several citrus fruit cultivars to low temperatures . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 773-774.

Chandler, B. V. and R. L. Johnson (1981). New adsorptive processes for improving the acceptability of processed grapefruit juice . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 885-888.

Chandler, B. V. and G. L. Robertson (1981). Recent studies on delayed bitterness in citrus juices . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 899-901.

Chang, D. C. N. (1981). SEM observation on the nature of resistance of wampi and trifoliate orange to nematode infection . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 380-384.

Chitzanidis, A. and D. Lascaris (1981). Research on Phytophthora rots of oranges in Greece . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 796-799.

Civerolo, E. L. (1981). Citrus bacterial canker disease: an overview . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 390-394.

Coggins, C. W., Jr. (1981). The influence of exogenous growth regulators on rind quality and internal quality of citrus fruits . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 214-216.

Cohen, A. (1981). Recent developments in girdling of citrus trees . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 196-199.

Cohen, E. (1981). Methods of degreening satsuma mandarin . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 748-750.

Cohen, E. (1981). Postharvest control of Phytophthora citrophthora with metalaxyl, and its relation to other fungi pathogenic to citrus fruit . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 793-796.

Cohen, M., D. V. Calvert and R. R. Pelosi (1981). Disease occurrence in a citrus rootstock and drainage experiment (SWAP) in Florida . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 366-368.

Crandall, P. G., C. S. Chen and T. R. Graumlich (1981). Energy savings from storing a high degree Brix orance juice concentrate at elevated temperatures in an inert atmosphere . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 855-859.

Crescimanno, F. G., P. Deidda and A. M. Frau (1981). Citrus rootstock trials in Sardinia: preliminary results on the performance of ten rootstocks for navel and 'Valencia' oranges and for 'Marsh' grapefruit . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 119-123.

Cueto, J. E., O. Hernandez, B. Pedrera and H. Lima (1981). Mineral composition of health and affected plants by citrus blight . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 472-474.

Culianez, F., B. Martin, J. Guerri, J. L. Tadeo and E. Primo Millo (1981). Proteins and amino acid changes in citrus organs during the fruiting period . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 566-571.

Cunha Sobrinho, A. P. d., O. S. Passos, W. S. Soares Filho and Y. S. Coelho (1981). Behaviour of citrus rootstocks under tropical conditions . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 123-126.

Cuquerella, J., J. M. Martinez Javega and M. Jimenez Cuesta (1981). Some physiological effects of different wax treatments on Spanish citrus fruit during cold storage . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 734-737.

Davis, R. M. (1981). Phytophthora foot rot control with the systemic fungicides metalaxyl and fosetyl aluminum . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 349-351.

Dawson, A. J. (1981). Significance of fungicide resistance for packing house management in Arizona and California . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 787-788.

De Barreda, D. G. and A. Del Busto (1981). Evaluation of glyphosate for weed control in citrus orchards of Spain . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 487-489.

De los A. Torres, M. and F. Pividal (1981). Degreening and color problems of Cuban 'Valencia' oranges . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 761-764.

Del Amor, F., A. Leon, A. Torrecillas and A. Ortuño (1981). Herbicide applications in citrus through drip irrigation systems . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 493-496.

Del Rivero, J. M. (1981). Citrus industry in Spain . Symposium on World Citrus Industry (1981 : Tokyo, Japan)  International Society of Citriculture. 2: 973-985.

Del Valle, N., H. Grillo, A. Gonzalez, O. Mas and A. Rios (1981). Citrus knots in Cuba . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 362-366.

Devaux, R. (1981). New cultivars of Clementine mandarin in Morocco . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 101-102.

Donadio, L. C. (1981). Selection of hybrids from satsuma crossing in Brazil . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 66-68.

Eckert, J. W., B. Bretschneider and M. Ratnayake (1981). Investigations on new postharvest fungicides for citrus fruits in California . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 804-810.

Edwards, G. J., C. H. Blazquez, R. H. Young and T. Davis, Jr. (1981). Wavelength ratios selected from first derivatives of spectral reflectance curves of citrus trees under various levels of stress . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 368-370.

Ehara, T., T. Nogata and T. Nakamuta (1981). Studies on fruit-bearing branches of satsuma mandarins . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 209-214.

El Nabawy, S. M., A. M. El Hammady, M. M. El Hammady, N. S. Marei and W. H. Naeim (1981). Effect of post-harvest application of 2,4-D, 2,4,5-T, GA, CCC and Alar on the keeping quality of "Valencia" oranges . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 725-728.

Elmer, H. S. (1981). Influence of pesticides on nontarget citrus pests in California's central valley . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 675-676.

Erner, Y. and O. Reuveni (1981). Effect of organic acids, phenylalanine, and tyrosine on growth of citrus tissue cultures . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 155-158.

Fan, N. T. (1981). Influence of citrus rootstocks on leaf inorganic nutrients and fruit quality of ponkan trees . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 559-561.

Farooqui, W. A., M. Ahamad, S. A. Khanum and T. T. Hatton (1981). Studies on the shelf-life extension of citrus fruits . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 760-761.

Forner, J. B., M. Aparicio, A. Alcaide, J. A. Pina and J. Sala (1981). Present status of citrus rootstocks in Spain . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 106-107.

French, J. V. and L. W. Timmer (1981). Suppression of citrus rust mite and citrus nematode on Texas grapefruit with aldicarb . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 672-674.

Fucik, J. E. (1981). The effect of preharvest foliar sprays of 2,4-D and gibberellic acid on the postharvest storage characteristics of 'Ruby Red' grapefruit . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 221-224.

Fujita, Y., K. Kasamatsu, A. Fujiwara and K. Matsumoto (1981). Control of citrus red mite ( Panonychus citri ) with fenpropathrin . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 661-663.

Furio, J., F. Calvo, J. L. Tadeo, E. Primo Millo and E. P. Millo (1981). Relationship between endogenous hormonal content and fruit set in citrus varieties of the navel group . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 253-256.

Furness, G. O. (1981). The role of petroleum oil sprays in pest management programs on citrus in Australia . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 607-611.

Furuhashi, K., M. Nishino, Y. Muramatsu and M. Shiyomi (1981). Simulation model for forecasting of occurrence of citrus red mite, Panonychus citri (McGregor) in citrus orchards . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 653-655.

Gallasch, P. T. (1981). Growth regulators for promotion of on-tree storage of grapefruit and HDP storage of harvested fruit . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 229-233.

Garnsey, S. M., M. Bar-Joseph and R. F. Lee (1981). Applications of serological indexing to develop control strategies for citrus tristeza virus . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 448-452.

Geraci, G., L. A. Manzocchi, N. Tusa, G. Occorso, L. Radogna and F. De Pasquale (1981). Comparison of different methods for identifying zygotic and nucellar seedling in citrus . International Citrus Congress (4 th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 1-4.

Gerber, J. F. and J. D. Martsolf (1981). A weather satellite system for observing, forecasting, and displaying cold temperatures for citrus producing area . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 313-317.

Giacometti, D. C. (1981). Present situation and outlook of the Brazilian citrus industry . Symposium on World Citrus Industry (1981 : Tokyo, Japan)  International Society of Citriculture. 2: 947-950.

Gilfillan, I. M., J. A. Stevenson, J. P. Wahl and E. A. Holmden (1981). Control of creasing in navels with gibberellic acid . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 224-226.

Goell, A. and A. Cohen (1981). Combining irrigation regimes with girdling techniques in citrus trees (a new experimental mode) . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 514-518.

Goell, A., A. Golomb, D. Kalmar, A. Mantell and S. Sharon (1981). Moisture stress - a potent factor for affecting vegetative growth and tree size in citrus . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 503-506.

Golomb, A., A. Shteif and I. Leviticus (1981). Seasonal endurance of ripe oranges and grapefruit to impacts of free drop upon several mattresses . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 289-294.

Gonzales, C. I. and R. C. Vinas (1981). Field performance of citrus varieties and cultivars grown under control measures adopted against leaf mottling (greening) disease in the Philippines . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 463-464.

Gonzalez, C. and J. A. Gonzalez (1981). Study of rootstocks for 'Tahiti' lime ( Citrus aurantifolia Tan.): Part VII: isoenzymatic characterization (2) . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 132-134.

Goodall, G. E. and K. G. Silveira (1981). Adapting the Italian Verdelli process to Persian lime production in California . Proceedings of the International Society of Citriculture, Tokyo, Japan. 2: 518-520.

Goto, A., C. Araki and Y. Izumi (1981). Molecular weight distribution of water-soluble pectins in citrus juices . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 931-934.

Grierson, W. (1981). Physiological disorders of citrus fruits . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 764-767.

Grierson, W. and H. J. Reitz (1981). The Florida citrus industry . Symposium on World Citrus Industry (1981 : Tokyo, Japan)  International Society of Citriculture. 2: 945-947.

Grobler, J. H. and G. S. Bredell (1981). The South African citrus industry . Symposium on World Citrus Industry (1981 : Tokyo, Japan)  International Society of Citriculture. 2: 965-967.

Guardiola, J. L. (1981). Flower initiation and development in citrus . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 242-246.

Gumpf, D. J., G. N. Oldfield and R. K. Yokomi (1981). Progress in the control of citrus stubborn disease . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 457-458.

Gutter, Y. (1981). Investigations on new postharvest fungicides : Israel . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 810-811.

Haro Guzman, L. and R. Hauchbaum (1981). Processing of limes in Mexico . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 862-863.

Hasegawa, S. and V. P. Maier (1981). Some aspects of citrus biochemistry and juice quality . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 914-918.

Hasegawa, Y. and Y. Iba (1981). Kohansho: a physiological disorder of the rind of citrus fruits during storage in Japan . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 774-776.

Hashinaga, F. and S. Itoo (1981). Seasonal changes of limonoids in the component parts of several citrus fruits . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 901-905.

Hatton, T. T., P. L. Davis, R. H. Cubbedge and K. A. Munroe (1981). Temperature management and carbon dioxide treatments that reduce chilling injury in grapefruit stored at low temperatures . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 728-731.

Hearn, C. J. (1981). The 'sunburst' citrus hybrid in Florida . International Citrus Congress (4th : 1981 : Tokyo, Japan), Tokyo,Japan, International Society of Citriculture. 1: 55-57.

Hensz, R. A. (1981). Bud mutations in citrus cultivars in Texas . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 89-91.

Hernandez Borroto, J. (1981). A study on leaf analysis of citrus in Cuba . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 598-600.

Hernandez, J. (1981). Effect of nitrogen, phosphorus and potassium on yield, fruit quality and nutritional status of "Valencia Late" orange . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 564-566.

Hidaka, T., Y. Yamada and T. Shichijo (1981). Plantlet formation from anthers of Citrus aurantium L. International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 153-157.

Hirano, S., S. Morioka and S. Tachibana (1981). Tree density and age as related to fruit yield per field area in the satsuma mandarin -- estimation for an optimum leaf area index on field basis . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 184-186.

Hirose, K. (1981). Development of chemical thinners for commercial use for satsuma mandarin in Japan . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 256-260.

Holtzhausen, L. C. (1981). Creasing: formulating a hypothesis . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 201-204.

Holtzhausen, L. C. and B. J. Grobler (1981). Fibre strength of citrus: evaluation of a new apparatus . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 921-924.

Homma, Y., Y. Arimoto and T. Misato (1981). The control of citrus storage disease by sodium bicarbonate formulation . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 823-825.

Homma, Y., Y. Arimoto and T. Misato (1981). Defense mechanisms of citrus against melanose and stem-end rot . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 370-374.

Huang, L. L., D. W. Wang, Q. Zhang and W. Zhu (1981). A study on the biology and control of the arrowhead scale ( Unaspis yanonensis Kuwana) . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 640-643.

Huang, M. D., S. W. Mai, S. X. Li and J. Situ (1981). Biological control of citrus red mite, Panonychus citri (McG.) in Guangdong Province . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 643-646.

Hutchison, D. J. and H. C. Barrett (1981). Tetraploid frequency in nucellar seedlings from single trees of Carrizo and Troyer citrus hybrids . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 27-29.

Hutton, R. J. and B. R. Cullis (1981). Tree spacing effects on productivity of high density dwarf orange trees . International Citrus Congress (4th : 1981 : Tokyo, Japan), Tokyo,Japan, International Society of Citriculture. 1: 186-190.

Hutton, R. J. and W. J. Lill (1981). Development of a mechanical harvesting system for citrus fruit . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 281-285.

Hyodo, H. (1981). Ethylene production by citrus fruit tissues . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 880-882.

Ichii, T., T. Nakanishi and K. Hamada (1981). Activities of lipoxygenase and hydroperoxide cleavage enzyme of flavedo tissues of Citrus medioglobosa as affected by gibberellin and high temperature treatments . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 882-885.

Ieki, H. (1981). Resistance of Citrus to scab . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 340-344.

Ikeda, F. (1981). Repression of polyembryony by gamma-rays in polyembryonic citrus . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 39-44.

Inoue, H. and Y. Harada (1981). Nutritional problems of satsuma mandarin in a plastic house . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 556-559.

Inoue, K. (1981). The fitness of resistant populations of citrus red mite to acaricides in Japan . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 663-666.

Ismail, M. A. (1981). Treatment and recycling of wastewater in a Florida citrus packinghouse . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 835-837.

Ismail, M. A., W. M. Miller and J. O. Craig (1981). Reduction of ethylene dibromide residue in commercial loads of grapefruit by fumigation in a modified cattle trailer or use of a trailer evacuation system . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 840-843.

Ito, M. and K. Ueki (1981). Approaches to weed management in citrus from the aspect of weed science . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 483-485.

Iwagaki, I. (1981). Tree configuration and pruning of Satsuma mandarin in Japan . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 169-172.

Iwahori, S. and J. T. Oohata (1981). Control of flowering of satsuma mandarins ( Citrus unshiu Marc.) with gibberellin . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 247-249.

Iwakiri, T. and M. Nakahara (1981). Nitrogen fertilization programs in satsuma mandarin groves in Japan . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 571-574.

Iwamasa, M. and M. Nishiura (1981). Recent citrus mutant selections in Japan . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 96-99.

Iwamasa, M., N. Nito, S. Yamaguchi, T. Kuriyama, T. Ehara and T. Nakamuta (1981). Occurrence of very early mutants from the Wase (early ripening) satsumas . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 99-101.

Iwamoto, M. and Y. Chuma (1981). Recent studies on development in automated citrus packinghouse facility in Japan . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 831-834.

Iyama, M. and A. Inoue (1981). Peel of mandarin as food materials . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 890-893.

Izumi, Y., C. Araki and A. Goto (1981). Relationships between bitterness of juice and fruit maturities of Wase satsuma mandarin ( Citrus unshiu Marc. var. Praecox Tanaka) . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 877-879.

Jimenez Cuesta, M., J. Cuquerella and J. M. Martinez Javega (1981). Determination of a color index for citrus fruit degreening . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 750-753.

Johnson, M. (1981). Electronic sorting and automated packaging for fresh citrus fruit . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 826.

Johnson, M. and W. A. Martinet (1981). Outlook for California-Arizona citrus acreage and production . Symposium on World Citrus Industry (1981 : Tokyo, Japan)  International Society of Citriculture. 2: 943-945.

Jordan, L. S. (1981). Weeds affect citrus growth, physiology, yield, fruit quality . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 481-483.

Kadoya, K., F. Mizutani and A. Hino (1981). Effects of root environmental conditions on stomatal behavior and translocation of photosynthates . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 498-501.

Kamuro, Y. and K. Hirai (1981). Physiological activity of ethychlozate -- fruit thinning and maturity accelerating effects for citrus . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 260-263.

Kaplan, H. J., B. A. Dave and J. F. Petrie (1981). Tolerance of citrus pathogens to current packinghouse treatment . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 788-791.

Kato, T. (1981). Bionomics of the Japanese citrus flower-bud midge, Contarinia okadai (Miyoshi) . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 690-692.

Kausar, P. and D. Nomura (1981). A new approach to pectin manufacture from satsuma mandarin peel by copper method . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 928-931.

Kawada, K., W. F. Wardowski, W. Grierson, L. G. Albrigo and P. W. Hale (1981). "UNIPACK": individually wrapped storage of citrus fruits . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 725.

Kawase, K., K. Suzuki and K. Hirose (1981). Use of growth regulators to control rind puffing of satsuma mandarin fruit . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 237-239.

Kirai, M. and I. Kozaki (1981). Isozymes of citrus leaves . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 10-13.

Kitagawa, H. (1981). Marketing of citrus fruits in Japan . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 849-852.

Kobayashi, A., M. Matsumoto, K. Uchida and T. Yamanishi (1981). Aroma development in Citrus iyo by pretreatment and storage . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 909-910.

Kobayashi, S., I. Ieda and M. Nakatani (1981). Role of the primordium cell in nucellar embryogenesis in citrus . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 44-48.

Koizumi, M. (1981). Resistance of citrus plants to bacterial canker disease: a review . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 402-405.

Komazaki, S. (1981). Life cycles and population fluctuations of aphids on citrus . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 692-695.

Korenaga, R. and Y. Sakagami (1981). Prediction of the occurrence of the arrowhead scale Unaspis yanonensis (Kuwana) . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 700-704.

Kozaki, I. (1981). Introduction to the citriculture in Japan . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: xxvii-xxxiii.

Kozaki, I. and M. Hirai (1981). Pollen ultrastructure of citrus cultivars . International Citrus Congress (4th : 1981 : Tokyo, Japan)

I  International Society of Citriculture. 1: 19-22.

Krezdorn, A. H. (1981). Fruit setting of citrus . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 249-253.

Kuhara, S., M. Koizumi, S. Yamada and A. Yamaguchi (1981). A nation-wide campaign for certification of early satsuma Miyamoto Wase' for citrus mosaic by ELISA . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 441-444.

Kuriyama, T., M. Shimoosako, M. Yoshida and S. Shiraishi (1981). The effect of soil moisture on the fruit quality of satsuma mandarin ( Citrus unshiu Marc.) . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 524-527.

Laville, E. Y. (1981). The evolution of two populations of Penicillium italicum and P. digitatum under influence of the two fungicides Benomyl and Imazalil . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 783-784.

Laville, E. Y. and A. J. Chalandon (1981). Control of Phytophthora gummosis in citrus with foliar sprays of fosetyl Al, a new systemic fungicide . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 346-349.

Legaz, F., D. G. d. Barreda, S. Zaragoza and E. Primo Millo (1981). Interactions between water amounts and fertilizer applied through a drip irrigation system in clementine and satsuma mandarins . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 595-598.

Legaz, F., R. Ibanez, D. G. d. Barreda and E. Primo Millo (1981). Influence of irrigation and fertilization on productivity of the 'Navelate' sweet orange . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 591-595.

Legaz, F., E. Primo Millo, E. Primo Yufera and C. Gil (1981). Dynamics of 15 N-labelled nitrogen nutrients in 'Valencia' orange trees . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 575-582.

Levy, Y. and J. P. Syvertsen (1981). Water relations of citrus in climates with different evaporative demands . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 501-503.

Lima, H., A. Sigarroa and M. Torres (1981). Estimates of repeatability in time and space for the main characteristics of tangerine fruit and trees . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 81-83.

Llanos, J. L. and H. Lima (1981). Peroxidase in healthy grapefruit trees and those affected by blight . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 476-478.

Llanos, J. L., H. Lima and J. O. Chavez (1981). A statistical method to determine the distribution and expansion of blight . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 474-476.

Lo Giudice, V. (1981). Present status of weed control in Italy . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 485-487.

Lo Guidice, V. (1981). Present status of citrus nematode control in the Mediterranean area . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 384-387.

Lopez, M. M. and L. Navarro (1981). A new in vitro inoculation method for citrus canker diagnosis . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 399-402.

Luck, R. F. (1981). Integrated pest management in California citrus . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 630-635.

Maeda, H. and Y. Ifuku (1981). Tendency of production and consumption of citrus fruit juices in Japan, especially production of fruit drinks with juice sacs . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 859-861.

Manago, M. (1981). Studies on the gas metabolism of satsuma mandarin ( Citrus unshiu Marc.) fruit . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 756-760.

Maraulja, M. D., E. L. Moore and J. A. Attaway (1981). Some new citrus products investigations in Florida . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 867-870.

Martinez, A. (1981). Determination of the parameters for orange harvesting by mechanical shaking . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 296-301.

Martinez Javega, J. M., M. Jimenez Cuesta and J. Cuquerella (1981). Utilization of polyvinyl chloride (PVC) film for individual seal packaging of citrus fruit . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 722-724.

Martinez Rodriguez, A. and G. Mendez Barries (1981). Theoretical study on rates of vibration to detach grapefruit . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 294-296.

Martinez-Soriano, J. P., R. Gonzales Garza and J. A. Sanchez Salas (1981). Effect of greasy spot on 'Valencia' oranges in Nuevo Leon, Mexico . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 335-336.

Más, O. and A. Alfonso (1981). Influence of light and nutritive medium on citrus tissue cultures . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 158-161.

Matsumoto, K. and L. K. Tanigoshi (1981). Bionomics and pest status of the citrus thrips, Scirtothrips citri (Thysanoptera; Thripidae) . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 677-683.

Matsushima, J. and K. Yonemori (1981). Effect of ethylene on fruit drop, growth, photosynthesis, diffusive resistance and abscisic acid of citrus trees . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 304-307.

Medina-Urrutia, V. M. and S. Alcalde-Blanco (1981). Effect of the Mexican and Persian limes on the root system characteristics of three rootstocks . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 140-141.

Medina-Urrutia, V. M. and J. Valdez-Verduzco (1981). Effect of rootstocks on seasonal changes of Mexican limes [ Citrus aurantifolia (Christm.) Swingle] in Colima, Mexico . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 130-132.

Mendel, K. (1981). Bud mutations in citrus and their potential commercial value . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 86-89.

Mendel, K. (1981). The present situation of citrus growing in Israel . Symposium on World Citrus Industry (1981 : Tokyo, Japan)  International Society of Citriculture. 2: 967-969.

Menini, U. C. (1981). Short outlines on the possibilities of the improvement of cooperation among citrus producing countries in the Near East and North Africa . Symposium on World Citrus Industry (1981 : Tokyo, Japan)  International Society of Citriculture. 2: 986-987.

Misaki, M., A. Konno, M. Miyawaki and K. Yasumatsu (1981). Utilization of cyclodexterins for citrus fruit products . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 924-928.

Monselise, S. P. (1981). Effects of climatic districts, orchard treatments and seal packaging on citrus fruit quality and storage ability . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 705-709.

Monselise, S. P., E. E. Goldschmidt and A. Golomb (1981). Alternate bearing in citrus and ways of control . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 239-242.

Montes, M., E. Arteaga and R. Broche (1981). Control of the citrus root weevil with the nematode, Neoaplectana P 2 M in citrus nurseries . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 670-672.

Montes, M., E. Arteaga and R. Broche (1981). First results of the epizootiological study of Pachnaeus litus Germar (Coleoptera: Curculionidae) . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 667-669.

Moreira, C. S. (1981). The effect of budding heights on tree size of citrus trees affected by exocortis viroid . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 148-149.

Moreno, D. S. and C. E. Kennett (1981). Monitoring insect pest populations by trapping in California citrus orchards . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 684-689.

Moreora, T., L. Cabrera and R. M. Salcines (1981). Freeze drying and foam mat drying of Cuban orange juice . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 870-872.

Mori, M., K. Suzuki and H. Masuda (1981). Quality assessment of canned satsuma mandarin . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 863-866.

Morin, J. M. and H. Martinez (1981). Population dynamics of the citrus rust mite ( Phyllocoptruta oleivora Ashmead) and its relation to the phenology of orange trees ( Citrus sinensis Osbeck cv. Valencia Late) in Cuba . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 658-660.

Murata, T. (1981). Physiological disorders of citrus fruits in Japan . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 776-778.

Nagy, S. and J. A. Attaway (1981). Less desirable flavor components in processed citrus products . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 872-877.

Nariani, T. K. (1981). Integrated approach to control citrus greening disease in India . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 471-472.

Navarro, L. (1981). Citrus shoot-tip grafting in vitro (STG) and its applications: a review . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 452-456.

Navarro, L. (1981). Effect of citrus exocortis viroid (CEV) on root and callus formation by stem tissue of Etrog citron ( Citrus medica L.) cultured in vitro . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 437-439.

Navarro, L., J. F. Ballester, J. Juarez, J. A. Pina, J. M. Arregui and R. Bono (1981). Development of a program for disease-free citrus budwood in Spain . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 70-73.

Nelson, D. B. (1981). Gel characteristics of intermediate-amide pectins . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 934-936.

Nelson, P. M., R. W. Wheeler and P. D. McDonald (1981). Potassium sorbate in combination with benzimidazoles reduces resistant Penicillium digitatum decay in citrus . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 820-823.

Neubauer, I. (1981). Low volume oil sprays to control the soft scale, Ceroplastes floridensis Comstock, in citrus trees in Israel . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 614-615.

Nishiura, M. (1981). The citrus industry in Japan . Symposium on World Citrus Industry (1981 : Tokyo, Japan)  International Society of Citriculture. 2: 991-993.

Nohara, K. (1981). Fundamental studies on integrated pest control . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 635-636.

Noma, Y. (1981). Effect of ethyl 5-chloro-1H-3-indazolylacetate on fruit thinning of satsuma mandarin ( Citrus unshiu Marcovitch) . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 271-275.

Nova, A. and C. González (1981). Determination of optimal structure for citrus species and cultivars through economic mathematical modelling . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 83-86.

Núñez, M. (1981). A study of some fruit quality indexes on three citrus species influenced by different rootstocks . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 146-148.

Ohkubo, N. (1981). Role of petroleum oil sprays in an integrated pest management system of citrus crops in Japan . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 611-614.

Oiyama, I., N. Okudai and T. Takahara (1981). Ploidy levels of seedlings obtained from 2x X 4x crosses in citrus . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 32-34.

Okada, N. (1981). On the diagnosis of nutrient condition and the application of fertilizer for citrus trees in Japan . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 548-551.

Orozco Romero, J. and J. L. Sepulveda Torres (1981). Influence of nitrogen, phosphorus, potassium and timing of application on yield of Mexican lime ( Citrus aurantifolia (Christm) Swingle) . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 542-543.

Ortiz, J. M., J. L. Tadeo, J. Guerri and J. B. Forner (1981). Distinction between hybrid and nucellar citrus trees by analysis of their biochemical compounds . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 4-7.

Ortuno, A., A. Hernansaez, J. M. Abrisqueta and J. Gomez (1981). Tylenchulus semipenetrans population in citrus soils in the provinces of Murcia and Alicante, in relation to the type, cultivar and age of trees . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 379-380.

Otero, O. and C. B. Moya (1981). Postharvest decay of citrus fruit in Cuba . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 801-804.

Parra, M. and T. Parra (1981). Bioelements physiological evolutions during the growth and development of shoots and leaves of lemon trees cultivated in saline soil . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 540-541.

Passos, O. S. and A. P. d. Cunha Sobrinho (1981). Citrus rootstocks in Brazil . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 102-105.

Pelser, P. d. T. and J. M. La Grange (1981). Latest developments in the control of postharvest decay of citrus fruit in South Africa . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 812-814.

Perez, M. C., I. Quintero and A. Martinez (1981). Combination of abscission-inducing chemicals and mechanical harvesting on 'Valencia Late' oranges in Cuba . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 285-288.

Perrotta, G., G. Magnano di San Lio and V. Lo Giudice (1981). Histology and cytology of citrus mal secco diseased tissues induced by Phoma tracheiphila . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 354-360.

Pino, J. and M. Duran (1981). Evaluation of aroma deterioration in sweet orange oil on the basis of gas-liquid chromatographic analysis . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 918-920.

Pino, J., R. Tapanes, A. Rosado and R. Blauja (1981). Quality control of sweet orange juice by gas-liquid chromatography of volatile constituents . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 936-939.

Pomares, F., F. Tarazona, M. Estela and B. Martin (1981). Evaluation of a commercial blue-green algae inoculant as fertilizer on citrus . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 583-585.

Raciti, G., F. Intrigliolo and A. Scuderi (1981). Incidence of integrated harvesting on fruit damage of citrus orchards mechanically pruned . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 288-289.

Raciti, G., P. Spina, A. Scuderi and F. Intrigliolo (1981). Three years of mechanical pruning of citrus in Italy . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 175-180.

Raychaudhuri, S. P. (1981). Citrus diseases in India and role of greening in development of citrus dieback . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 461-462.

Reforgiato Recupero, G. and A. Starrantino (1981). Characterization with SEM of the pollen of some Italian lemon cultivars . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 17-19.

Riehl, L. A. (1981). Fundamental consideration and current development in the production and use of petroleum oils . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 601-607.

Rodriguez, J., B. Slutzky, O. Ancheta, A. Ruiz and M. E. Ramos (1981). Structure and ultrastructure of 'Persian' lime ( Citrus aurantifolia ) rind tissue at two temperatures . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 742-745.

Rodriguez, N., M. E. Farinas, R. Sibat and C. Moreno (1981). Predatory mites (Acari: Phytoseiidae) in Cuba's citrus . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 646-649.

Rodríguez, R., N. Arias, R. Torres and W. Arango (1981). Tree spacing of 'Valencia Late' orange in Jaguey Grande . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 194-196.

Roistacher, C. N. (1981). Attempts to separate components of the tatterleaf citrange stunt complex . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 430-433.

Romano, R. and L. C. Donadio (1981). Characterization of the Brazilian sweet orange cultivars 'Pera', 'Natal' and Barão' . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 76-77.

Rossetti, V. (1981). Declinio of citrus trees in Brazil. A review . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 478-480.

Rossetti, V., E. Feichtenberger and M. L. Silveira (1981). Citrus canker ( Xanthomonas campestris pv. citri): an analytical bibliography . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 418-419.

Rotramel, G. L. and D. N. Sinodis (1981). UC 55248: a new fumigant miticide for use in citrus. [Abstract] . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 666.

Russo, F. (1981). Bud variations in citrus cultivars in Italy . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 91-94.

Russo, F. (1981). Present situation and future prospect of the citrus industry in Italy . Symposium on World Citrus Industry (1981 : Tokyo, Japan)  International Society of Citriculture. 2: 969-973.

Russo, F., B. Donini and A. Starrantino (1981). Mutagenesis applied for citrus improvement . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 68-70.

Sadamatsu, M. (1981). Occurrence of sun scald in early satsuma mandarin and its control . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 205-207.

Safina, G. (1981). Evolution of technology of citrus products in Italy . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 888-890.

Salcines, R. M. (1981). Physiological behavior of 'Marsh Seedless' grapefruit during short and long term cold storage . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 731-734.

Salerno, M. and G. Cutuli (1981). The management of fungal and bacterial diseases of citrus in Italy . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 360-362.

Sanchez Garcia, C. D. and M. A. Fernandez (1981). Climatic effects on 'Valencia' oranges in eastern Cuba . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 331-334.

Sanchez, J. A. and F. A. Artes (1981). Aptitude for citriculture of soils on Keuper sediments in the region of Murcia (Spain) . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 530-533.

Santana, M. C., B. Slutzky and A. Alonso (1981). Total phenol content and polyphenoloxidase activity in 'Valencia' orange flavedo during storage . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 740-741.

Sartori, E. (1981). Argentina citriculture . Symposium on World Citrus Industry (1981 : Tokyo, Japan)  International Society of Citriculture. 2: 950-964.

Sasaki, A. (1981). The effect of stem-pitting on yield of 'Washington' navel orange . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 439-441.

Schiffmann Nadel, M., J. Waks, Y. Gutter and E. Chalutz (1981). Alternaria rot of citrus fruit . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 791-793.

Seki, M. (1981). Life cycle of the pink citrus mite, Aculops pelekassi (Keifer), in Japan . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 656-658.

Serizawa, S. (1981). Recent studies on the behavior of the causal bacterium of the citrus canker . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 395-397.

Shaked, A., A. Cohen, M. Hamo and D. Hasdai (1981). Recent citrus inarching experiments in Israel . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 144-145.

Shaw, P. E., C. W. Wilson, III and R. E. Berry (1981). Some important flavor compounds in mandarin, grapefruit and orange juices and peel essential oils . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 911-914.

Shiraishi, M. (1981). Abscission of satsuma ( Citrus unshiu Marc.) fruit caused by application of ethychlozate (ethyl 5-chloro-1H-3-indazolylacetate) . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 275-278.

Slutzky, B., A. Gonzalez Abreu and I. Berdam (1981). Chilling injury related to mineral composition of grapefruit and limes during cold storage . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 779-782.

Somma, V., G. Scarito and C. Laviola (1981). Research on the epidemiology of "mal secco" disease of citrus: preliminary results on the role of leaf infection . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 353-354.

Soost, R. K. and J. W. Cameron (1981). 'Oroblanco', a triploid pummelo-grapefruit hybrid . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 59-60.

Soost, R. K. and A. M. Torres (1981). Leaf isozymes as genetic markers in citrus . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 7-10.

Spiegel-Roy, P. and A. Vardi (1981). 'Yafit' and 'Norit' - two new easy peeling mandarin hybrids . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 57-59.

Spurling, M. B. (1981). Review of citrus irrigation in Australia . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 511-514.

Stall, R. E., J. W. Miller, G. M. Marco and B. I. C. Canteros de Echenique (1981). Timing of sprays to control cancrosis of grapefruit in Argentina . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 414-417.

Starrantino, A. and G. Reforgiato Recupero (1981). Citrus hybrids obtained in vitro from 2x females X 4x males . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 31-32.

Sternlicht, M., I. B. Zacayi, Y. Szivos and E. Dunkelblum (1981). Prediction of infestation by and control of the California red scale, Aonidiella aurantii (Maskell), through use of its pheromone . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 695-700.

Su, H. J. (1981). A tristeza virus strain causing dwarf of pomelo and grapefruit . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 423-426.

Su, H. J. and C. P. Lin (1981). Yolk media for cultivation of spiroplasmas . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 458-460.

Suketa, Y., T. Yamamoto and F. Yamazoe (1981). Comparative studies on mandarin, gladiolus, cedar, pine and taro as plant indicators in fluorine pollution . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 307-311.

Suzuki, K. (1981). Weeds in citrus orchards and their control in Japan . International Citrus Congress (4th : 1981 : Tokyo, Japan), Tokyo, Japn, International Society of Citriculture. 2: 489-492.

Tadeo, J. L., J. M. Ortiz and A. Estellés (1981). Comparative study of ripening in several clementine mandarin types . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 200-201.

Takagi, K. (1981). Evaluation of parasitoids of latent pests with a sticky suction trap . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 627-630.

Tanaka, M. (1981). Biological control of arrowhead scale, Unaspis yanonensis (Kuwana), in the implementation of IPM programs of citrus orchards in Japan . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 636-640.

Tanaka, M., J. Morimoto, H. Harano and K. Maesaka (1981). Citrus interstock-scion combinations and topworking procedures in the Wakayama region of Japan . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 127-130.

Taniguchi, T. (1981). A study on the protected cultivation of citrus trees and ecology of their growth in Japan . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 325-328.

Taninaka, T., N. Otoi and J. Morimoto (1981). Acid citrus cultivars related to the Yuzu ( Citrus junos Sieb. ex Tanaka) in Japan . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 73-76.

Ting, S. V. and R. L. Rouseff (1981). B-vitamins in citrus juices . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 905-908.

Tirtawidjaja, S. (1981). Insect, dodder and seed transmissions of citrus vein phloem degeneration (CVPD) . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 469-471.

Tominaga, S. and H. Daito (1981). Effects of ethychlozate (ethyl 5-chloro-1H-3-indazolylacetate) on fruit quality of satsuma mandarin ( Citrus unshiu Marc.) . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 233-236.

Torrecillas, A., A. Leon, F. d. Amor, M. R. Monllor, S. Llorente and F. Del Amor (1981). Influence of the cultivar and the irrigation systems on the boron leaf levels in lemon trees . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 589-591.

Tribulato, E., G. Continella, P. Damigella and G. Mangano (1981). Comparative observations on the root systems of eleven citrus rootstocks . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 137-140.

Tsai, Y. P. (1981). Citrus black spot control in Taiwan . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 344-346.

Tsugawa, R., A. Nakamura, T. Takeyama, S. Ueno, T. Soejima and T. Minematsu (1981). Production of purified citrus molasses as raw material for amino acids fermentation . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 893-896.

Tugwell, B. L. (1981). Marketing of citrus in plastic returnable crates . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 845-847.

Tugwell, B. L., K. Gillespie and T. Glenn (1981). Guazatine for postharvest mold control of citrus fruits . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 818-820.

Turczyn, M. T. and P. W. Hale (1981). Efforts within the United States to standardize the sizes of packages used for transporting fresh produce . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 843-845.

Tuset, J. J., J. Piquer, J. Garcia, J. M. Martinez and M. Roca (1981). Activity of imidazole fungicides to control postharvest citrus decay . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 784-787.

Ueda, M., N. Noguchi and K. Mishima (1981). Growing navel oranges by covering with vinyl film roof . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 328-331.

Ueno, H., M. Kadota, H. Sugai and H. Hijikata (1981). Influence of sulfur dioxide on the growth and the sulfur content of satsuma mandarin in Wakayama Prefecture . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 311-313.

Valdez-Verduzco, J. and V. M. Medina-Urrutia (1981). Influence of rootstocks on Mexican lime performance in Colima, Mexico . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 142-144.

Valle, N. d., O. Herrera and A. Ríos (1981). The influence of rootstocks on the performance of 'Valencia' orange under tropical conditions . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 134-137.

Van Gundy, S. D., S. Garabedian and E. L. Nigh (1981). Alternatives to DBCP for citrus nematode control . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 387-390.

Vardi, A. (1981). Protoplast derived plants from different citrus species and cultivars . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 149-152.

Vardi, A. and P. Spiegel Roy (1981). Gene-controlled meiosis in Citrus reticulata . Proceedings of the International Society of Citriculture, Tokyo, Japan. 1: 26-27.

Velasco Nunez, F. and H. M. Sanchez Anguiano (1981). Response of Mexican lime (Citrus aurantifolia Swingle on Citrus macrophylla rootstock) to planting distances, fertilizer rates and fertilizer application forms in Tecoman, Colima, Mexico. Progress report . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 554-556.

Wada, M., Y. Shimogoori and H. Hatano (1981). Behavior of surface-applied cations in the soil of a satsuma mandarin orchard . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 544-548.

Wakana, A., M. Iwamasa and S. Uemoto (1981). Seed development in relation to ploidy of zygotic embryo and endosperm in polyembryonic citrus . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 35-39.

Wardowski, W. F. and M. A. Ismail (1981). Florida citrus postharvest extension programs . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 837-840.

Wheaton, T. A. (1981). Fruit thinning of Florida mandarins using plant growth regulators . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 263-268.

Whiteside, J. O. (1981). Diagnosis of citrus greasy spot based on experiences with this disease in Florida . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 336-340.

Wilson, W. C., G. E. Coppock and J. A. Attaway (1981). Growth regulators facilitate harvesting of oranges . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 278-281.

Wu, W. C., B. C. Yang and M. L. Huang (1981). ØXW116, a temperate phage for Xanthomonas campestris pv. citri . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 397-399.

Yagev, E. and I. Horesch (1981). A comparison of drip and sprinkler irrigation in citrus orchards . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 508-511.

Yamashita, K. (1981). Stigma exudate application for overcoming self-incompatibility of Hyuganatsu and Hassaku . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 48-51.

Yamashita, S. and Y. Kitano (1981). Factors causing deterioration in the quality of satsuma mandarins during sorting and packing processes, with some suggestions to improve the processes . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 827-830.

Ye Yin, M., Y. Kong and H. Zheng Xiang (1981). Studies on pollen morphology of citrus plants . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 23-25.

Young, R. H. (1981). Relationships between winter hardening temperatures and spring bud break in Citrus and related species . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 318-321.

Yuda, E., H. Kurooka and S. Nakagawa (1981). Search for efficient phosphorus fertilization . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 2: 537-539.

Zaragoza, S. and E. Alonso (1981). Citrus pruning in Spain . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 172-175.

Zhang, W. C. (1981). Development and outlook of citrus industry in China . Symposium on World Citrus Industry (1981 : Tokyo, Japan)  International Society of Citriculture. 2: 987-990.

Zhang, W. C. (1981). Thirty years achievements in citrus varietal improvement in China . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 51-53.

Zhao, X. Y. (1981). Citrus yellow shoot disease (Huanglongbing) in China - a review . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 466-469.

Zubrzycki, H. M. and A. Diamante de Zubrzycki (1981). Resistance to Xanthomonas campestris pv. citri (Hasse) Dowson in oranges ( Citrus sinensis (L.) Osbeck) . International Citrus Congress (4th : 1981 : Tokyo, Japan)  International Society of Citriculture. 1: 405-409.

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