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Harmful Effects of Insects

Primary Means of Insect Control. Physical: Direct removal of insects.Cultural: Practicing crop rotation, early or delayed planting of crops, use of resistant crops.Biological:Using other insects or pathogens to control pests.Chemical:Applying gases, liquids, powders, or granules to

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Harmful Effects of Insects

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    1. Harmful Effects of Insects Chewing on plant parts. Sucking plant sap from plant parts. Boring holes into plant parts. Laying eggs in the plant. Spreading pathogens. Carrying and establishing other insects in/on plants.

    2. Primary Means of Insect Control Physical: Direct removal of insects. Cultural: Practicing crop rotation, early or delayed planting of crops, use of resistant crops. Biological: Using other insects or pathogens to control pests. Chemical: Applying gases, liquids, powders, or granules to control insects.

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