How to prevent leeks and insects How to prevent leeks and insect pests

The black insects on leeks are eliminated: mosquito coils, wind oil essence, mothballs (sanitary balls), dish soap, plants and so on.

1. Mosquito coil insect control method: light the mosquito coil, put it on the flower pot under the pest flower plant, and then use a plastic film bag, together with the flower pot for about 1 hour to kill aphids, red spiders, whiteflies, etc.

2. Wind oil essence insecticidal method: spray with 400 times to 500 times of wind oil essence, which has a fumigation effect, penetrates into the insect body, and kills the pest, especially for waxy scale insects.

3. Mothballs (sanitary balls) insecticidal method: grind mothballs and sprinkle them into the potting soil to kill the pests that harm the root system in the soil. It has a special effect on peonies, dahlias, lilies, lycoris and other tubers, bulbs and fleshy root flower root nematodes.

4. Detergent insecticidal method: spray with 500 times of detergent, which can kill pests within 24 hours, and then spray clean water, which can reduce the detergent.

5. Plant insect method: planting onions, garlic, leeks, etc. in the potting soil of flower plants releases volatile substances, which not only has the effect of repelling and killing aphids, but also has the effect of curing diseases.

Leeks have small black worms and don't have to worry too much, if it is a leafminer fly, you can spray fly amine or deltamethrin for control. If it is a thrip, it can be sprayed with phosphine emulsifiable concentrate, acetamiprid or deltamethrin pesticides for control. However, when there are small black worms, this also means that the leeks are relatively healthy, because it does not have any hormones and drugs, otherwise there are very few small black worms.

The black bugs on the leeks are likely to be leeks or black caterpillars, and the healthiest way is to use manual capture to kill, pinch the bugs off with small tweezers, and then trample them to death. 2/2

Or use vinegar and water to spray leeks to kill these insects. The best effect is to kill the drug, but it takes two days to eat after spraying, and you need to soak it in water for two or three hours before eating.

The control of leek pesticides is currently used more methods, and pesticides are added to irrigate or spray when watering, which can control leek maggots. Pesticides should be selected with low residue and good effect, such as organophosphorus or neonicotinoid insecticides in the high incidence period of leek maggot adults, and sprayed with water at the base of leek stems, so as to control underground pests. Some pesticides with high toxicity and large residues should be prohibited.

Organophosphorus or neonicotinoid insecticides are sprayed at the base of leek stems with water to control underground pests. Some pesticides with high toxicity and large residues should be prohibited.