Pest control 188 Plant Pests, (New March 2000) 36 Biological control 35 Plant pests 34 Pest control-- Agriculture & related technologies 28 Insects 27 Insect pests 26 Natural enemies 25 Pest management 24 pest control 24 Biological Control 23 pest management 20 Biological control agents 18 Horticultural Crops, (New March 2000) 17 Plant diseases 16 Viral, Bacterial and Fungal Diseases of Plants, (New March 2000) 16 Biological control of pests--agriculture-- Pest control 15 Insect control 15 Taxonomy 15 Pests 14 Plant pathogens 14 Insecticides 13 Integrated pest management 13 Taxonomy and Evolution 13 Biological pest control agents 12 Integrated Pest Management 12 Pathogens, Parasites and Infectious Diseases (Wild Animals), (New March 2000) 12 Animal Ecology 11 Arthropod pests 11 Pathogens 11