Plant pathology 338 Diseases 245 Plant diseases 235 Medicine 204 Plant disease 140 Pathology 127 Microbiology 118 Epidemiology 59 Disease 55 Fishes-diseases 51 AIDS (Disease) 50 Communicable diseases 49 Plant Pathology 49 plant disease 47 Immunology 46 Viruses 45 Viral, Bacterial and Fungal Diseases of Plants, (New March 2000) 44 Agriculture 42 Health, Mind & Body 42 Disorders & Diseases 41 Plant pathogens 41 History 40 plant pathology 40 Immunity 39 Nutrition 39 Public health 39 Biotechnology 38 Plant Pests, (New March 2000) 38 Virus diseases 38 Bacterial diseases 37