Passive resistance 36 Government, Resistance to 20 Host Resistance and Immunity 19 Disease resistance 15 Plant diseases 15 Nonviolence 13 Plants 13 Molecular Biology and Molecular Genetics, (Discontinued March 2000, Reinstated and Revised June 2002) 12 Plant Breeding and Genetics 11 Plant breeding 11 Satyagraha 11 Biological control 10 Drug resistance in microorganisms 10 History 10 Politics and government 10 Taxonomy and Evolution 10 Viral, Bacterial and Fungal Diseases of Plants, (New March 2000) 10 Pesticides and Drugs; Control, (New March 2000) 9 Plant Pests, (New March 2000) 9 Plant pathogens 9 Plant pests 9 Taxonomy 9 Biological Control 8 Epidemiology 8 Genetic Engineering, Gene Transfer and Transgenics, (New June 2002) 8 Insect control 8 Pest control 8 Bacterial diseases 7 Civil disobedience 7 Natural enemies 7