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How to eliminate aphids on vegetables

Method 1: take a jin of purple garlic, soak in water for a while, mash the juice, dilute it 10 times with water, then spray on the vegetable leaves to kill aphids. Method 2: peach leaves were soaked in water for one day and night, filtered with a small amount of quicklime and sprayed on vegetable leaves to eliminate aphids.

Lack of description and pictures of pests, according to experience to judge as aphids or whiteflies, it is recommended to use cut tobacco (nicotine can kill insects, safe to the human body) water spray, or acetamiprid, imidacloprid according to the recommended concentration of water spray.

-spraying with plant extracts such as chili, peach leaves and tobacco;-the smell of leek can ward off aphids and be planted in a reasonable way. Detergent to kill aphids:-detergent ingredients have contact killing effect on aphids;-spraying with detergent solution can effectively control aphids.

Prevention and control methods (1) agricultural control. Remove weeds and residues in time. Combined with inter-seedling to remove insect seedlings; after vegetable harvest, timely treatment of weeds on the edge of the field, removal of residual branches and leaves, so as to eliminate some aphids.

The method of killing aphids on vegetables: protection of natural enemies, artificial control, plastic film deworming. Protect natural enemies: aphids themselves also have many natural enemies, such as ladybugs, lacewings, aphid flies and so on. These natural enemies have a strong inhibitory effect on aphids. Artificial control: brush white at the base of the tree trunk in autumn and winter to prevent aphids from spawning.

What if the natural enemies of aphids have aphids?

1. If conditions permit, the natural enemies of aphids can be artificially raised and released. Artificial control: the base of the trunk can be whitened in autumn and winter to prevent aphids from spawning. Combined with pruning, cut off the dead branches of the residual flowers and burn them. After falling leaves, clean up the fallen leaves and reduce the number of overwintering eggs. Usually when a small number of aphids are found, brush them off with a brush dipped in water.

2. The natural enemies of aphids are ladybugs, aphid-eating flies, parasitoids, aphid-eating gall mosquitoes, crab spiders, lacewings, entomopathogenic fungi and so on. Aphid flies are effective natural enemies of aphids, shell insects, whiteflies, leafhoppers, thrips, Lepidoptera larvae and so on.

Washing powder killing aphids washing powder is necessary in daily life, and it is also very convenient to use it to control aphids. The main component of washing powder is sodium lauryl benzenesulfonate, which has a strong contact killing effect on aphids.

How to remove aphids from flowers and plants

1. Detergent solution take 2 grams of detergent, add 500 grams of water to stir into a solution, add 1 drop of clear oil, spray the worms on the plant. It can kill aphids, scale insects, red spiders, green thorn moths, whitefly, whitefly and so on.

2. Onion insect control method: mash a small amount of onions into mud, add about 500 grams of water, filter after 24 hours, spray on the flowers. This method can not only effectively control aphids, but also has a certain effect on red spiders.

3. After flowers and plants grow aphids, they can be brushed off with a brush or brush. It can also be sprayed on aphids where aphids grow with a solution diluted 600 times. Can also use washing powder solution for prevention and control, 3-4 grams of washing powder, put about 100 grams of water, stir evenly, spray 2-3 times, can also completely kill them.

How to get to aphids?

Onion insect control method: mash a small amount of onions into mud and add about 500 grams of water. Filter after 24 hours and spray on the flowers. This method can not only effectively control aphids, but also has a certain effect on red spiders.

I also go to answer questions and visit the personal page to follow all I have learned that the simple ways to eliminate aphids are physical control, biological control, chemical control, agricultural control, plant control and so on. No matter which method is used, we should pay attention to the use of appropriate dose and frequency to avoid harm to plants and people.

Another way to ward off aphids is to use essential oils, which do not kill aphids, but can prevent aphid outbreaks, such as common peppermint or lavender essential oils. If the number of aphids on potted plants is relatively small, you can even strangle them directly with your hands, remember to wear gloves, aphids are sticky.

How to eliminate aphids on vegetables

1. Remove weeds and residues in time. Combined with inter-seedling to remove insect seedlings; after vegetable harvest, timely treatment of weeds on the edge of the field, removal of residual branches and leaves, so as to eliminate some aphids. For the growers in the greenhouse and other facilities, the residual stems and leaves in the greenhouse should be disposed of in time after the vegetables are harvested, and taken to the outside of the greenhouse to burn, so that the greenhouse can not pass the summer and winter.

Method 1: take a jin of purple garlic, soak it with a little water for a while, mash the juice, dilute it 10 times with water, then spray on the vegetable leaves to kill aphids. Method 2: peach leaves were soaked in water for one day and night, filtered with a small amount of quicklime and sprayed on vegetable leaves to eliminate aphids.

3, lack of description and pictures of pests, according to experience to judge as aphids or whiteflies, it is recommended to use cut tobacco (nicotine can kill insects, safe to the human body) water spray, or acetamiprid, imidacloprid according to the recommended concentration of water spray.

What kind of beneficial insects can eliminate aphids?

1. Aphid flies: aphid flies are common natural enemies and feed on aphids. It can sense the honeydew secreted by aphids through its antennae, pierce the body of aphids with sharp mouthparts and suck the juice of aphids. Ladybug: ladybug is a common natural enemy insect that feeds on aphids.

2. The beneficial natural enemies of aphids are ladybugs, aphid flies, parasitic bees, aphid-eating mosquitoes, crabs and spiders. Ladybugs are the general name of round beetles of the family Coccinellidae, which often have red, black and yellow spots. They mainly feed on aphids. Many ladybugs live only in specific habitats, sometimes limited to a few plants in specific habitats.

3. Lacewings, which are predatory insects, belong to Neuroptera of Insecta. It is known that there are 86 genera and 1350 species in the world. According to the survey, there are 15 genera and nearly 100 species recorded in China, which are distributed in the north and south of China.

4. There are many kinds of beneficial insects, including bees, dragonflies, ladybugs, mantis, lacewings and so on. Ladybugs can help humans eliminate aphids and scale insects. When cotton fields are attacked by aphids, the introduction of Coccinella septempunctata can effectively control the number of aphids. Bees feed on flowers, including pollen and nectar.