Disease control 33 Plant diseases 24 Plant disease control 22 Viral, Bacterial and Fungal Diseases of Plants, (New March 2000) 19 Plant pathogens 14 Horticultural Crops, (New March 2000) 12 Epidemiology 11 Pathogen, Pest, Parasite and Weed Management (General) 11 Taxonomy 11 Pest control 10 Plant Breeding and Genetics 10 Plant Pests, (New March 2000) 10 Plant pests 10 Host Resistance and Immunity 9 Pesticides and Drugs; Control, (New March 2000) 9 Taxonomy and Evolution 9 Benzene fungicides 8 Crop Produce 8 Fungal diseases 8 Fungi 8 Plant - Bacterial Diseases 8 Plant - Fungus Diseases 8 Plant - Virus Diseases 8 Plant Disease Control 8 Plant Production 8 Plant Protection 8 Plant pathogenic fungi 8 Plant pathology 8 Quinone fungicides 8 Crop production 7