HORTICULTURE SCIENCE
FLORICULTURE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Greenhouse production often requires insecticides to be sprayed to prevent insect damage on flowers. Insecticides that are applied in gaseous from are .
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Systemic
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Fumigants
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Contact
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Repellents
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Explanation:
Detailed explanation-1: -There are many classes of synthetic pesticides. The main classes consist of organochlorines, organophosphates, carbamates, and pyrethroids. We define conventional or chemical pesticides as those having a broad spectrum of activity and being more detrimental to natural enemies.
Detailed explanation-2: -Monitoring. Identification of Pest Problems. Control Methods. Biological Control. Chemical Control. Cultural Control/Sanitation. Mechanical Control. Evaluation.
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