Mention three different ways in which crop plants can be attacked by insects pests . Also, suggest one control measure and two preventive measures against pests.
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Three ways in which crop plants can be attacked by insects pests are :
1)sucking cellsap of various plant parts.
2)cutting the root, stems of the plant.
3)boring into stems, fruits.
Control methods:
1)Fungicides
2)Pesticides
1)sucking cellsap of various plant parts.
2)cutting the root, stems of the plant.
3)boring into stems, fruits.
Control methods:
1)Fungicides
2)Pesticides
Answered by
1
Three ways in which crop plants can be attacked by insect pests :
(i) They cut the plant parts.
(ii) They suck the cell sap from various parts.
(iii) They bore into stem and fruits.
Control measure : Spraying pesticides
Preventive measure : (i) Use of resistant varieties, (ii) Ploughing
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