Horticultural Crops, (New March 2000) 48 Plant Breeding and Genetics 23 Plant Pests, (New March 2000) 23 Plant Production 23 Plant pests 22 Plant diseases 19 Crop Produce 18 Pest control 17 Viral, Bacterial and Fungal Diseases of Plants, (New March 2000) 17 Taxonomy 16 Plant Physiology and Biochemistry 14 Taxonomy and Evolution 14 Crop production 13 Insects 13 Plant pathogens 13 Plants 13 Field Crops, (New March 2000) 12 Insect pests 12 Plant disease control 12 Fruits 10 Biological Resources (Plant) 9 Chemical control 9 Food Composition and Quality 9 Food Storage and Preservation 9 Geographical distribution 9 Insect control 9 Pathogen, Pest, Parasite and Weed Management (General) 9 Pesticides and Drugs; Control, (New March 2000) 9 Plant breeding 9 Biological Control 8