ORNAMENTAL HORTICULTURE / 233 Prerequisites: OCT 601, OCT 661. For students wishing to undertake an individual project related to teaching, research, or administration. OCT 655-SPECIALTY RESIDENCY. 3 to 15 credits Prerequisites: OCT 601, OCT 661. Field work experience in clinical settings approved by the department. OCT 661-ADVANCED SPECIALTY PRACTICUM. 5 credits Prerequisite or corequisite: OCT 613. Field experience in clinical settings. May be repeated up to a maximum of 10 credits. ORNAMENTAL HORTICULTURE (College of Agriculture) GRADUATE FACULTY 1971-72 STROBEL, J. W., Chairman; DICKEY, R. D.; HORN, G. C.; JOINER, J. N.; MCELWEE, E. W.; SHEEHAN, T. J.; WHITCOMB, C. E. Graduate Coordinator: J. N. JOINER Graduate majors in ornamental horticulture should have 24 undergraduate credits in horticulture or ornamental horticulture. The student is advised to have completed 30 credits in basic courses in botany, chemistry, soils, en- tomology, plant pathology, and related subjects. COURSE FOR ADVANCED UNDERGRADUATES AND GRADUATES OH 511-ORCHIDOLOGY. 4 credits GRADUATE COURSES OH 603-GRADUATE SEMINAR. 1 credit Reading, reports, and discussion of current literature on ornamental horticultural research topics and development. Means of communication as an aid in under- standing and evaluating technical information. OH 612-NUTRITION OF ORNAMENTAL PLANTS. 5 credits Prerequisites: BTY 310, OH 441. Physiological, biochemical, and environmental factors influencing nutritional status of horticultural plants and the resulting effects on growth, yield, and quality. OH 620-NURSERY PRODUCTION AND MANAGEMENT. 4 credits Prerequisites: BTY 310, PLS 301, OH 420. Literature review and application of research results to problems of commercial production of woody ornamental plants. OH 630-RESEARCH METHODS IN ORNAMENTAL HORTICULTURE. 4 credits Research methods, procedures, and literature reviewed with applications to orna- mental plants. Outlining of problems, assembly and analysis of data, and presenta- tion of results. OH 641-FLORICULTURAL SCIENCE. 4 credits Prerequisite: OH 442. Physiological and biochemical factors affecting growth and yield of floricultural crops; use and effects of growth regulating com- pounds and herbicides; techniques of breeding these crops; post-harvest physiology, storage and marketing problems.