Plant pathology 338 Diseases 245 Plant diseases 235 Medicine 205 Plant disease 140 Pathology 127 Microbiology 119 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 Health, Mind & Body 42 Disorders & Diseases 41 Plant pathogens 41 plant pathology 40 Immunity 39 Public health 39 Agriculture 38 Nutrition 38 Plant Pests, (New March 2000) 38 Virus diseases 38 Bacterial diseases 37 Biotechnology 37 plant diseases 36