Question
Explain the various preventive measures against insect pests.
✓
Answer
Preventive measures against insect pests:
- Root cutting type of insects is controlled by mixing insecticides in the soil.
Example: chloropyriphos.
- Stem and leaf cutting type of insects can be controlled by dusting or spraying the contact insecticides.
Example: malathion, lindane and thiodan.
- All sap sucking insects can be controlled by spraying systematic insecticides.
Example: dimethoate and metasystox.
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