Classification of Pests
Pests are classified according to the following:
Mode of Feeding
Pests with biting and chewing mouth parts - they cause physical damage and reduce the photosynthetic area of the plant. Pests with piercing and sucking mouth parts - they suck out the nutritious plant sap and in the process may introduce disease causing organisms.
Crops Attacked
Some crop pests attack specific crops for example, stem borers prefer cereal crops.
Crops Attacked Some crop pests attack specific crops for example, stem borers prefer cereal crops.
Stage of Growth of Crops Attacked There are pests of seedlings attack when the crop is young, for example cutworms. Pests of fruits - attack the crops at fruiting stage. Pests of grains attack the crops when the grains are formed.
Kavungya answered the question on April 26, 2019 at 07:11
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