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CBSE - IX - Biology - Improvement in Food Resources

mention the 3 different ways in which pest can attack the plant. mention the preventive and control measures that need to be taken before storing the agriculture procedure.

Asked by sahil ahmed 24th September 2013, 9:01 PM
Answered by Expert


i. Chewing insects - They cut root, stem and leaf of crop by their chewing mouth parts.
ii. Sucking insects - They suck the cell sap from all the parts of the plant.
iii. Internal feeders - They are also called borers when they live in twigs or roots. They live inside the plant parts.
Answered by Expert 25th September 2013, 7:39 AM

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