FRUIT CROPS / 179 R. C. J.; LAWRENCE, F. P.; LEONARD, C. D.; REITZ, H. J.; SHARPE, R. H.; SHERMAN, W. B.; SITES, J. W.; SOULE, J.; STEWART, I.; WILTBANK, W. J.; ZIEGLER, L. W. Graduate Coordinator: J. SOULE The Department of Fruit Crops offers work leading to the degrees of Master of Agriculture, Master of Science in Agriculture, and Doctor of Phi- losophy. The interest of the student and the guidance and facilities available will determine the field for the thesis problem when required. Through cooperation of the Florida Agricultural Experiment Station and its branch stations, it is possible for thesis research for the Master of Science in Agriculture and Doctor of Philosophy degrees in certain fields to be conducted at these stations. Prerequisites for admission to graduate study include a sound background in horticulture, botany, mathematics, chemistry, entomology, soils, and plant pathology. The student will be held responsible for such basic undergraduate courses as are deemed necessary for the pursuit of his thesis work. COURSES FOR ADVANCED UNDERGRADUATES AND GRADUATES FC 523-MAJOR TROPICAL FRUITS. 4 credits FC 524-MINOR TROPICAL AND SUBTROPICAL FRUITS. 4 credits GRADUATE COURSES FC 601-FRUIT CROPS SEMINAR. 1 credit Required of all graduate students each quarter it is offered. May be repeated with change of content up to a maximum of 2 credits. FC 602-PHYSIOLOGY OF FRUIT CROPS. 5 credits Prerequisite: BTY 310. Physiology of the growth and development of fruit crops, with emphasis on fruit trees. FC 603-MORPHOLOGY OF FRUIT CROPS. 3 credits Prerequisite: BTY 532. Morphological features of both tropical and temperate zone fruit crops, their modification by environment, and their relation to cultural practices and production problems. FC 604-TAXONOMY OF FRUIT CROPS. 3 credits Prerequisite: BTY 380. Nomenclature, classification and identification of tropical and temperate zone fruit crops, with emphasis on the scientific basis and utility of the various systems. FC 605-BREEDING OF FRUIT CROPS. 4 credits Prerequisite: AY 362. Principles of fruit crop breeding and varietal improve- ment, including patterns of evolution, mechanisms of heredity, and genetic param- eters. Specific breeding problems in tropical and deciduous fruit crops. FC 606-ROOTSTOCK-SCION RELATIONSHIPS. 4 credits Rootstock-scion relationships in their influence on disease susceptibilities, soil and climatic adaptions, bud-union incompatibilities, and fruit production. FC 610-CITRICULTURE. 5 credits Citrus growing, emphasizing the problems offered by varying sites, soils, climates, stocks, and varieties. FC 611-CITRUS PRODUCTION MANAGEMENT. 5 credits Methods of tabulating and evaluating the functions of citrus trees in relation