Neco Model Questions Vol1 2022 Agricultural Science Question 7

Practice essay / theory question 7 from the 2022 Neco Model Questions Vol1 Agricultural Science examination. This question covers Crop Pests .

Neco Model Questions Vol1 2022 Agricultural Science Essay / Theory
Topic: Crop Pests
Question 7 NECO_MODEL_QUESTIONS_VOL1 • 2022 • AGRICULTURAL_SCIENCE • essay

A farmer in the Sudan Savanna zone of Nigeria cultivates maize and has been experiencing damage caused by an insect pest.

Question Parts

( a )
Identify the major insect pest of maize in this region and describe its complete life cycle, including all developmental stages and their approximate durations.
( b )
Explain three cultural control methods that can be employed against this pest and the scientific rationale for each method.
( c )
Discuss the advantages and disadvantages of using a synthetic insecticide compared with a biological control agent for managing this pest, considering environmental impact, resistance development and cost.
( d )
The farmer observes that at 30 days after planting, 15 % of the maize leaves show feeding damage. The economic injury level (EIL) for this pest is 10 % leaf damage. Based on this information, decide whether control action is justified and recommend the most appropriate control measure, justifying your choice.

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About This Question

This is Neco Model Questions Vol1 2022 Agricultural Science Question 7. It is one of the essay questions from the 2022 Neco Model Questions Vol1 Agricultural Science examination.

The question covers Crop Pests .

View More Neco Model Questions Vol1 2022 Agricultural Science Questions More Neco Model Questions Vol1 Practice Questions Back to Questions

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