Q. 95.0( 2 Votes )

Explain the various preventive measures against insect pests.

Answer :

Preventive measures against insect pests:

(i) Root cutting type of insects is controlled by mixing insecticides in the soil.


Example - chlorpyrifos.


(ii) Stem and leaf cutting type of insects can be controlled by dusting or spraying the contact insecticides.


Example - malathion, lindane and thiodan.


(iii) All sap sucking insects can be controlled by spraying insecticides in systematic way.


Example - dimethoate and metasystox.


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