Control objects and matters needing attention of dichlorvos

Prevention and control object

It is effective against the pests of chewing mouthparts and piercing mouthparts. It can be used for vegetables, fruit trees and a variety of farmland crops.

1. To control cabbage worm, cabbage armyworm, cabbage leaf wasp, aphid, cabbage borer, and Spodoptera litura, spray 2000 times with 80% EC 1500 Mel.

2. Control 28 ladybug, tobacco green bug, whitefly, cotton bollworm, diamondback moth, lamp moth, night moth, spray with 1000 times of 80% EC.

3. 1000-1500 times liquid spray is used to control red spiders and aphids.

(4) to control the small land tiger, Huangshou melon and yellow koji jumping beetle, spray or irrigate the root with 80% EC 800-1000 times liquid.

5. To control whitefly in greenhouse, spraying with 1000 times EC can control adult and nymph. Spray 1 drink every 5 seconds for 7 days, then spray 2-3 times in succession to control the damage. Can also use dichlorvos fumigant fumigation, the method is: in the evening before the end of work will be sealed fumigation, mu with 22% dichlorvos fumigant 0,5 kg. Or put sawdust in the flowerpot, sprinkle 80% dichlorvos EC, put on a few red-hot briquettes, and use 0, 3, 4 kg of EC per mu.

6. To control wild bean borer, spray 1000 times of dichlorvos EC before 8 o'clock in the morning when cowpea is in full bloom (when 3 flowers are relatively concentrated), focusing on spraying buds, flowers, young pods and ground flowers, spraying 2 Mel for 3 times.

Matters needing attention

1. The seedlings of legumes and melons are prone to drug damage, and the concentration should not be on the high side.

2. Dichlorvos is toxic to humans and animals and is easy to be absorbed by the skin and poisoned. It is not suitable to apply dichlorvos at high temperature at noon to prevent poisoning.

3. Stop using medicine 7 days before vegetable harvest.

4. Dichlorvos should not be mixed with alkaline pesticides.

5. Dichlorvos aqueous solution decomposes quickly and should be used with it.

6. Birds, fish and bees are sensitive to this product and should be used with caution.