How to control aphids in cornfields? These methods are very practical
How to control aphids in cornfields? The methods for controlling aphids in cornfields are as follows: (1) Chemical control: use 5% phorate granules at 200 g per 667 sq m, mix with 1.5 kg of fine sand or soil, apply the pesticide every other ridge, and fumigate to kill the aphids; spray 0.5% dimethoate powder at 1.5-2.0 kg per 667 sq m, or 50% dimethoate...
How to control aphids in cornfields? Please explain
The methods for controlling aphids in cornfields are as follows:
(1) Chemical control: use 5% phorate granules at 200 g per 667 sq m, mix with 1.5 kg of fine sand or soil, apply the pesticide every other ridge, and fumigate to kill the aphids; spray 0.5% dimethoate powder at 1.5-2.0 kg per 667 sq m, or 50% dimethoate emulsifiable concentrate at 1500 times dilution, or 50% pirimicarb powder at 8 g per 667 sq m, mixed with 50 kg of water for spraying.
(2) Protect and utilize natural enemies: small black spiders and many ladybugs all feed on aphids. When these beneficial insects are seen, do not spray pesticides, or use pesticides that do not harm these natural enemies - such as 50% pirimicarb, etc.
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