Applied entomology UE Past Papers Questions.
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(3059) Question Category: Long answers
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(3060) Question Category: Long answers
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(3061) Question Category: Long answers
The american bollworm is a polyphagous species attacking tomato, beans and pigeon pea, among others. The insects survives on residues of cotton and wild relatives left in the field during off-season. This population is the main source of infestation of cotton. Despite this knowledge , some farmers are not willing to weed their farms, thus affecting even others who clean their farms. Furthermore, competition between weeds and cotton retard and weaken the crop thus become more prone to attacks by H.armigera. Insect control is discouraged , except when economic damage is recorded. The economic damage occurs when 50% of the examined plants show symptoms of damage by the bollworm. Answer / Solution UNSOLVED |
(3062) Question Category: Long answers
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(3063) Question Category: Long answers
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