Neco 2022 Agricultural Science Question 8
Practice essay / theory question 8 from the 2022 Neco Agricultural Science examination. This question covers Plant Diseases .
A farmer's 3 ha tomato farm shows wilting of plants, yellowing of lower leaves and brown discoloration in the vascular tissue of stems. Laboratory analysis identifies the pathogen as Fusarium oxysporum f. sp. lycopersici. The disease incidence is 20 % of plants and each infected plant yields 30 % less than a healthy plant. The market price of tomatoes is ₦150 kg⁻¹. The farmer can apply a soil drench of carbendazim 12 % WP at 5 kg ha⁻¹, which reduces disease severity by 70 % but costs ₦2,500 per kg of product. The farmer wishes to know the economic benefit of applying the fungicide.
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This is Neco 2022 Agricultural Science Question 8. It is one of the essay questions from the 2022 Neco Agricultural Science examination.
The question covers Plant Diseases .
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