Plant Protection 244 Plant protection 83 Pest control 19 Plant Pests, (New March 2000) 11 Insects 10 Plants, Protection of 10 Plant pests 9 Benzene fungicides 8 Plant - Bacterial Diseases 8 Plant - Fungus Diseases 8 Plant - Virus Diseases 8 Plant Disease Control 8 Quinone fungicides 8 Insect pests 7 PLANT PROTECTION 7 Pesticides 7 Plant diseases 7 Biological control 6 Plant Breeding and Genetics 6 Plant Production 6 Viral, Bacterial and Fungal Diseases of Plants, (New March 2000) 6 plant protection 6 Biological Control 5 Crop Produce 5 Crop production 5 Horticultural Crops, (New March 2000) 5 Natural enemies 5 Plant Physiology and Biochemistry 5 Plant disease control 5 Plant pathogens 5