Plant pathology Plant diseases 59 plant disease 40 Plant disease 37 Disease- Plants 9 plant diseases 9 Fungi 7 Epidemiology 5 Mycology 5 Soil science 5 Viral, Bacterial and Fungal Diseases of Plants, (New March 2000) 5 Agronomy 4 Entomology 4 Plant disease control 4 Plant nematology 4 Plant pathogens 4 Tissue culture 4 disease-plants 4 Agricultural entomology 3 Algae 3 Botany 3 Fungal diseases 3 Horticulture 3 Information technology 3 Physiology 3 Taxonomy 3 Toxins 3 fungi 3 viruses 3 Biochemistry 2