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Crs 442: Intergrated Pest And Disease Management Question Paper

Crs 442: Intergrated Pest And Disease Management 

Course:Bachelor Of Science In Agriculture

Institution: University Of Eldoret question papers

Exam Year:2018



INSTRUCTIONS TO CANDIDATES:ANSWER ALL QUESTION
1 a) Discuss and Illustrate where possible two main factors to consider when designing an integrated pest management strategy (10 marks)
b) Briefly explain the following: Economic damage,Economic injury level and Economic threshold with reference to a specific pest (10 marks)
2) Discuss host plant resistance as used in Integrated pest and disease management,the mechanisms and potential problems of this approach (20 marks)
3) Using a specific example , explain genetic engineering and how it has been used in pest management with reference to a specific pest pest on a selected crop (20 marks)
4) Explain the use of semiochemicals and allelochemicals as well as the types and practical applications in a pest management strategy (20 marks)
5 ) Discuss 'Push-pull' strategy in management of stem borers in a maize field






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