Faculty of ScienceThe concept of plant diseases and significance of crop losses. History of plant pathology. Disease causal agents, fungi, bacteria, viruses, mycoplasmas, nematodes, seed plants and adverse environmental conditions. Epidemiology and disease forecasting. Principles and practices of disease control, quarantines, cultural, biological, varietal resistance, physical and chemical methods. Disease of important crops in Kenya, symptoms, pathogens, transmission, disease cycle and control. Methods of assessing diseased crop losses. Techniques for diagnosing plant disease. (PREREQUISITES: BOTA 131, BOTA 352) (Y4S1)
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