Overview
State the meaning of disease
State the meaning of Disease.
List the effects of disease on crop production
Name the important disease of major crops.
State the causal organism of each disease.
State the preventive and control measures.
What you'll learn
- Meaning of disease
- General effects of diseases on crop production
- Disease of major crop
- i. cereals-smut, rice blast, etc.
- ii. Legume- cercospora leaf spot, rosette, etc.
- iii. beverages- cocoa black pod, coffee leaf rust etc.
- iv. Tuber- cassava mosaic, bacterial leaf blight, etc.
- v. Fruits – Citrus gummosis, die backs etc.
- vi. fiber- black arm(bacterial blight of cotton.
- Vegetable- root knot of tomato or okra etc.
- Stored produce- mould.