Chinese cabbage aphids are very common, how to control them?

Because cabbage is more cold-resistant than other vegetables, so every autumn, some cabbage will be planted in my vegetable garden, fried and eaten, served as a side dish in the hot pot, and the Chinese cabbage that cannot be eaten can also be pickled in a large water tank, and can be eaten for several months. After the autumn equinox, the weather is cool, it is the critical season for the growth of Chinese cabbage, so it is very important to do a good job in the field management of Chinese cabbage, in the field management of Chinese cabbage, the most headache for vegetable farmers is the gnawing of Chinese cabbage, pesticides are not less can not be beaten, <>

It not only affects the quality of goods and reduces economic benefits, but also causes many viral diseases. The control of cabbage insects and other pests can maintain the higher yield and economic benefits of Chinese cabbage. Chinese cabbage insect pest control to prevention-oriented, comprehensive prevention and control as the principle, strengthen field management, cabbage insect adult is cabbage butterfly, a cabbage butterfly can lay eggs 100-500 grains, from the egg to become a larva is what we say cabbage worm needs 4 to 8 days, after which can live for about 18 days, the time of about 18 days is the most serious stage of Chinese cabbage, <>

In order to eat healthier every day, they still choose to plant some cabbage in their own vegetable garden, because cabbage is also a relatively cold-tolerant vegetable, so it is like the ripening time is also in winter, so it is still easy to attract some green worms. The cabbage on the cabbage can indeed be hated, the leaves of the cabbage are often eaten by the cabbage worm, the cabbage leaves are the favorite of the cabbage worm, but the cabbage worm is the most hated by farmers, because cabbage planting often has the trouble of cabbage worms, so the prevention and control of it has become the primary task of farmers.

Every year when winter comes, cabbage is the most common type of vegetable, and many people will plant it, and you can eat it for a whole year in winter. Of course, from the current point of view, there are usually many diseases in the cultivation of cabbage, and cabbage worm is one of them.

Spray pesticides when planting Chinese cabbage, spray some pesticides after planting, and then spray pesticides on time according to the growth cycle of Chinese cabbage.

First of all, when planting, you must choose land with relatively fertile and wide soil, and during the planting period, you must choose farmhouse fertilizer, do not use fertilizer bought outside. It is also necessary to water the plants frequently, to prevent the occurrence of pests and diseases, and if there are small bugs, then be sure to spray insecticides in time.

Pesticides. Because the Chinese cabbage grown by my family is sprayed with pesticides every year, there are never aphids, so pesticides should be used to control them.

Rational use of land, avoid continuous cropping, answer the bridge to prepare the land as soon as possible, clean the garden, and spray pesticides once before ploughing; Anti-dust treatment: 1000-2000 times of 40% dimethoate EC or 2000-3000 times of 50 anti-aphid wettable powder, once a week, spray 2-3 times continuously. Chinese cabbage aphids can be controlled with imidacloprid.

Aphids in cabbage can be controlled with imidacloprid in the early stages of the disease. Lianqing is trapped and the land is prepared, avoid sitting together, and spray pesticides.

Summary. Hello dear! Recommended use, Grass Ash:

Sprinkle plant ash on the cabbage leaves and around the vegetable patch. Poison bait: Mix bait with insecticide and sprinkle evenly on vegetable patches.

Chemical control: During the high incidence of insect infestation, use cypermethrin or imidacloprid dilution and spray on the surface. Field Management:

Regularly clean up the weeds in the field and destroy the living environment of pests.

Hello sedan Jane, dear! Suggested use, plant ash: Sprinkle plant ash on cabbage leaves and around vegetable patches.

Sprinkle poison bait and close the pants: Mix with bait and insecticide and sprinkle evenly on the vegetable patch. Chemical control:

During the infestation period, it is diluted with cypermethrin or imidacloprid and sprayed on the surface. Field management: Regularly clean up weeds in the field to destroy the living environment of pests.

Honey, it can also be treated with fendafurin plus cyhalothrin spray.

Dear, you can also use 50% aphid fog wettable powder 2000 3000 times liquid, which has a good control effect on three kinds of vegetable aphids, and has no harm to natural enemies such as aphid cocoon bees and aphid flies; or 10% nicotine milk insecticide 500 1000 times liquid, or avermectin 2500 times liquid celery core, or 10% imidacloprid 2000 times liquid spray prevention and control. When spraying, the nozzle should be upward, focusing on the back of the blade. Discontinue the medication 7 days before picking.

It can be eliminated by spraying cypermethrin 1000 1500 times.

In summer, Chinese cabbage diseases and insect pests are more serious, so they should be detected early and prevented early, and the main diseases are downy mildew and soft rot. To prevent downy mildew, 75% chlorothalonil 500 times liquid, 65% zebsen 500 times liquid, 40% ethylphosphine aluminum wettable powder 150 200 times liquid can be sprayed at the rosette stage. To prevent soft rot, spray agricultural streptomycin 2 or 3 times during the rosette stage.

Before or at the beginning of the disease, spray 4000 times of 72% agricultural streptomycin sulfate soluble powder, focusing on the lightly diseased plant and its surrounding plants, and pay attention to spraying the petiole and stem base close to the surface.

Remove the diseased strains in time to reduce the source of bacteria and prevent the spread. Insect pests include aphids, cabbage worms, etc., which can be controlled by spraying 1000 1500 times of cypermethrin with high efficiency. Strict extermination of aphids to prevent the occurrence of viral diseases.

Hello, dear, you can use the drug volt to prevent and treat 1Plant ash. If there are insects after the cabbage emerges, you can sprinkle plant ash around the vegetable field and on the leaves of the insect infestation, which can play a good role in the control of aphids.

2.Sprinkle poison bait. When cabbage is infected with insect pests, you can use fried rapeseed cake or soybeans, mix with chlorpyrifos and other agents, and sprinkle them evenly on the vegetable field.

3.Chemical control:During the high incidence period of insect pests when cabbage is planted, the speed of aphid multiplication and spread is fast, so it is necessary to use cypermethrin or imidacloprid dilution and spray on the surface, spraying once every 7 days. It is best to control 2-3 times in a row.

4.Field Management:Regularly clean up the weeds in the field, destroy the spring hall of pests and disturb the living environment, and moderate watering to keep the environment moist can also reduce the occurrence of insect pests.

There are scientific and physical control of Chinese cabbage aphids. Use imidacloprid and spray with water for control.