Control of Aphids in Cabbage

Control of Aphids in Cabbage:-

Nymphs and adults are both soft bodied pear shaped, blackish in colour.
Colonies of these insects are found on tender shoots and sacks vital sap from the tissues.
Affected plants remain stunted in growth and curd formation is poor.
In case of severe infestation plants may completely dry up and die away.
The aphid produce honey dew which makes the plants sticky and favours the growth of shooty mold.
As a result of shooty mold a black coating is formed on affected plant parts hindering the photosynthesis and adversely affect the plants growth.
Slight humidity favours rapid multiplication of this pest.
Grooming stages of aphids are mostly observed on the lower surface of the leaves.

Control:-

Destroy plant debris or remove banded grasses/weeds.
To prevent recurrence of the aphid population granular insecticides. like Phorate 10 G @ 4 kg/ Acre should be applied in the soil.

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