Pathogenic bacteria 8 Plant diseases 8 Plant pathogenic bacteria 8 Plant pathogens 8 Viral, Bacterial and Fungal Diseases of Plants, (New March 2000) 8 Microbiology 6 Horticultural Crops, (New March 2000) 5 Insect pests 5 Insects 5 Microbiological Techniques 5 Pest control 5 Plant Pests, (New March 2000) 5 Plant pests 5 Arthropod pests 4 Bacteria 4 Bacterial diseases 4 Diagnostic microbiology 4 Epidemiology 4 Fungal diseases 4 Fungi 4 Insect control 4 Medical microbiology 4 Plant disease control 4 Plant pathogenic fungi 4 Taxonomy 4 Bacterial Infections 3 Biological Control 3 Biological control 3 Chemical control 3 Geographical distribution 3