Pest resistance Host Resistance and Immunity 5 Plant Pests, (New March 2000) 5 Plant pests 5 Biological Control 3 Biological control 3 Environmental Pest Management 3 Natural enemies 3 Nematoda 3 Pest control 3 Plant Breeding and Genetics 3 Plant parasitic nematodes 3 Plants 3 Biological control agents 2 Cultivars 2 Cultural control 2 Genetic Engineering, Gene Transfer and Transgenics, (New June 2002) 2 Insect pests 2 Insects 2 Morphology 2 Nematode control 2 Pathogens, Parasites and Infectious Diseases (Wild Animals), (New March 2000) 2 Plant Cropping Systems 2 Plant diseases 2 Plant nematodes 2 Plant pathogens 2 Sampling 2 Taxonomy 2 Taxonomy and Evolution 2 Agricultural entomology 1