Horticultural Reviews V12

Contributors. Dedication. 1 Reproductive Biology of Rhododendron ( E. G. Williams, J. L. Rouse, B. F. Palser, and R. B. Knox ). I. Introduction. II. Breeding Systems. III. Pollinators. IV. Flower Color and Aroma. V. Male Reproductive Structures. VI. Female Reproductive Structures. VII. Nectary. VIII. Pollen-Pistil Interactions. IX. Postfertilization Development. XI. Interspecific Incompatibility and Pollination Subsystems. X. Quantification of Reproductive Development. XII. Breeding Barriers and Taxonomic Groupings. XIII. Production of Horticultural Hybrids and Cultivars. Literature Cited. 2 Postharvest Biology of Fresh Asparagus ( Werner J. Lipton ). I. Introduction. II. Anatomy. III. Physiology. IV. Texture. V. Postharvest Growth. VI. Visual Deterioration. VII. Flavor Deterioration. VIII. Injury Due to Low O 2 or High CO 2 . IX. Chilling and Freezing Injury. X. Concluding Remarks. Literature Cited. 3 Tropical Root and Tuber Crops ( Stephen K. O'Hair ). I. Introduction. II. Cassava. III. Edible Aroids (Araceae). IV. Tropical Sweet Potato. VI. Minor Crops. V. Yams. Literature Cited. 4 The Cowpea: Production, Utilization, and Research in the United States ( Richard L. Fery ). I. Introduction. II. History and Taxonomy. III. Statistics of Production. IV. Genetics, Botany, and Physiology. VI. Cultivar Classes. V. Culture. VII. Fungal and Bacterial Diseases. VIII. Virus Diseases. IX. Insect Pests. XI. Cowpea Research Programs in the United States. X. Nematode Pests. XII. Harvesting and Marketing. Literature Cited. 5 Flowering of Deciduous Perennial Fruit Crops ( Margaret Sedgley ). I. Introduction. II. Floral Development. III. Anthesis. IV. Pollination. V. Conclusions. Literature Cited. 8 Apple Trees: Morphology and Anatomy ( Charlotte Pratt ). I. Introduction. II. Seedlings. III. Roots. IV. Stems. VI. Vegetative Propagation. VII. Size-Controlling Rootstocks. VIII. Compact or Spur Mutants. V. Leaves. IX. Concluding Remarks. Literature Cited. 7 Acquisition and Utilization of Carbon, Mineral Nutrients, and Water by the Kiwifruit Vine ( J. G . BuwaJda and G. S. Smith ). I. Introduction. II. Vine Growth and Development. III. Carbon Economy. IV. Mineral Nutrition. V. Water Relations. VI. Shoot-Root Interactions-A Whole Vine Model. Literature Cited. 8 Citrus Flowering ( T. L. Davenport ). I. Introduction. II. Shoot Development. III. Phenology of Flowering. IV. Regulation of Shoot Growth and Flowering. V. Flowering Hypotheses. VI. Conclusion. Literature Cited. 9 The California Fig Industry ( Louise Ferguson, Themis J. Michailides, and Harry H. Shorey ). I. Introduction. II. History. III. Botany. IV. Horticulture. V. Pests, Diseases, and Disorders. VI. Prospects of the California Fig Industry. Literature Cited. Subject Index. Cumulative Subject Index. Cumulative Contributor Index.