i) Fungal diseases
Are responsible for causing most plant disease and the lead to physiochological disorders
E.g. smuts, blights, rust blasts, leaf spot, damping off.
ii) Viral disease
Are disease caused by virus whose general symptoms include chlorosis, stunted
Growth, mosaic, nechrosis, leaf curl e.g. maize streak, mosaic, greening, tristeza rosette, ratoon stunting.
iii) Bacterial disease
Are disease caused by bacteria are microscopic pathogens that are large than virus and cause damage the plant cells e.g. haloblight, bacterial wilt.
Kavungya answered the question on June 13, 2019 at 08:59
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