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Bota 251: Introduction To Plant Pathology Question Paper

Bota 251: Introduction To Plant Pathology 

Course:Bachelor Of Science

Institution: Egerton University question papers

Exam Year:2012



SECTION A: ATTEMPT ALL QUESTIONS

1. Explain the concept of disease. (10 Marks)
2. Outline stages involved in disease development. (10 Marks)
3. Explain how the environment influences disease development. (10 Marks)
4. Describe any five methods of crop protection. (10 Marks)
5. Differentiate between powdery and downy mildews. (10 Marks)
6. How is disease diagnosed? Give examples. (10 Marks)
7. Describe any five causes of plant diseases. (10 Marks)

SECTION B: ATTEMPT TWO QUESTIONS ONLY

8. Coffee berry disease causes economic losses. How would you control it? (15 Marks)
9. Describe an important vegetable disease caused by bacteria. (15 Marks)
10. Give detailed account of black stem rust disease of wheat in Kenya. (15 Marks)




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