Crop and plant diseases leads to reduction in yield and quality of farm produce leading to loses for farmers. Plant pathogens can be fungal, bacterial, viral or nematodes, it could destroy plants above or below the soil.
CONTROL OF CROP PLANT DISEASE
Diseases of crop plant can be controlled by the following methods.
1. CULTURAL CONTROL: This involves the use of crop rotation, resistant varieties, tillage practice, regular weeding, fallowing, timeliness etc to control or prevent disease.
2. BIOLOGICAL CONTROL: This involves the use of natural enemies of the disease to reduce or totally eliminate disease.
3. CHEMICAL CONTROL: This involves the use of chemicals such as fungicides, nematicides, insecticides to dust or spray plants and plant materials in order to prevent or control plant disease.
For more reading, Department of Agriculture and Food, Government of Western Australia