Correct methods for using chlorpyrifos pesticide

Chlorpyrifos is a moderately toxic insecticide; it causes mild eye irritation and obvious skin irritation, and prolonged contact can cause burns. At experimental doses, no teratogenic, mutagenic or carcinogenic effects have been observed. It is highly toxic to fish and aquatic animals, and toxic to bees.

How to use chlorpyrifos

1. Control of rice pests: For rice leaf roller, rice thrips, rice gall midge, rice planthopper and rice leafhopper, use 60-120 ml of 40.7% emulsifiable concentrate per mu, diluted with water and sprayed.

2. Control of wheat pests: For armyworm and aphids, use 50-75 ml of 40.7% emulsifiable concentrate per mu, diluted in 40-50 kg of water and sprayed.

3. Control of cotton pests: For cotton aphid, use 50 ml of 40.7% Dursban emulsifiable concentrate per mu, diluted in 40 kg of water and sprayed. For cotton spider mite, use 70-100 ml of 40.7% Dursban emulsifiable concentrate per mu, diluted in 40 kg of water and sprayed. For cotton bollworm and pink bollworm, use 100-169 ml per mu, diluted with water and sprayed.

4. Control of vegetable pests: For imported cabbageworm, diamondback moth and bean pod borer, use 100-150 ml of 40.7% Dursban emulsifiable concentrate per mu, diluted with water and sprayed.

5. Control of soybean pests: For soybean pod borer and tobacco cutworm, use 75-100 ml of 40.7% emulsifiable concentrate per mu, diluted with water and sprayed.

6. Control of fruit tree pests: For citrus leafminer and red spider mite, spray with a 1000-2000 times dilution of 40.7% emulsifiable concentrate. For peach fruit moth, spray with a 400-500 times dilution; this dose can also be used to control hawthorn red spider mite and apple red spider mite.

7. Control of tea tree pests: For tea geometrid, tea leaf roller, tea tussock moth, Thosea sinensis, tea leaf gall mite, tea orange gall mite and tea scarlet mite, spray with an effective concentration of a 300-400 times dilution.

8. Control of sugarcane pests: To control sugarcane woolly aphid, use 20 ml of 40.7% emulsifiable concentrate per mu, diluted with water and sprayed.

9. Control of sanitary pests: For adult mosquitoes, spray at 100-200 mg/kg. For mosquito larvae, the dosage is 15-20 mg/kg in water. For cockroaches, use 200 mg/kg. For fleas, use 400 mg/kg. For small cattle ticks, fleas and others on the body surface of livestock, apply or wash with 100-400 mg/kg.