Waec Model Questions Vol1 2023 Agricultural Science Question 36
Practice objective / multiple choice question 36 from the 2023 Waec Model Questions Vol1 Agricultural Science examination.
A farmer notices circular brown leaf lesions 1-2 cm in diameter with a yellow halo on tomato plants. Laboratory analysis shows the pathogen produces conidia in chains of 4-6 spores. The disease has a latent period of 7 days and a basic reproduction number (R₀) of 2.5 under optimal conditions. If initially 5 plants are infected and no control measures are taken, estimate how many plants will be infected after 21 days (three latent periods). Identify the disease and give the estimated number of infected plants (round to the nearest whole plant).
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About This Question
This is Waec Model Questions Vol1 2023 Agricultural Science Question 36. It is one of the objective questions from the 2023 Waec Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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