Plant disease epidemiology 4 PLANT DISEASE Epidemiology 2 Biological control 1 Chemical nature and classification of fungicides 1 Diagnosis of plant pathogens 1 Genetics of plant pathogens 1 History of plant pathology 1 Laboratory and analytical techniques 1 Mycology 1 PLANT DISEASE EPIDEMIOLOGY 1 Physiological and molecular plant pathology 1 Phytopathological techniques 1 Plant bacteriology 1 Plant disease-epidemiology 1 Plant diseases-epidemiology phytopathogenic 1 Plant pathology 1 Plant viorology 1 TYPES OF PLANT PATHOGENS 1 The pathogens-bacteria 1 The pathogens-fungi 1 The pathogens-viruses 1 diseases of trees 1 diseases of vegetable crops 1 microbial popullations 1 pathogen 1 pathometry 1 physiological plant diseases 1 plant disease epidemiology 1 types of plant pathogens 1