Neco Model Questions Vol1 2025 Agricultural Science Question 8

Practice essay / theory question 8 from the 2025 Neco Model Questions Vol1 Agricultural Science examination. This question covers Plant Diseases .

Neco Model Questions Vol1 2025 Agricultural Science Essay / Theory
Topic: Plant Diseases
Question 8 NECO_MODEL_QUESTIONS_VOL1 • 2025 • AGRICULTURAL_SCIENCE • essay

A farmer observes wilted leaves, brown streaks on stems and a reduced pod set in a 3‑hectare soybean field. Laboratory tests confirm Fusarium oxysporum f. sp. glycines as the causal agent of Fusarium wilt.

Question Parts

( a )
Explain the disease cycle of Fusarium wilt in soybean, highlighting the role of soil moisture and crop residues.
( b )
The farmer intends to use a soil fumigant that requires 2.5 kg per 100 m² at a concentration of 1.2 % active ingredient (a.i.). Determine the total amount of active ingredient required for the 3‑hectare field.

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About This Question

This is Neco Model Questions Vol1 2025 Agricultural Science Question 8. It is one of the essay questions from the 2025 Neco Model Questions Vol1 Agricultural Science examination.

The question covers Plant Diseases .

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