Peach trees are susceptible to aphids, so what are the ways to get rid of them?

The main problem with peach aphids is that they reproduce quickly and are prone to developing resistance. Therefore, before a large number of aphids appear, drugs must be used. According to this control protocol, the time should be strictly adhered to, and the spraying time should not be delayed without seeing aphids or with few aphids.

Also, be sure to pay attention to the rotation of medications. The same pesticide should be used no more than twice in a row, and one pesticide should not be used more than twice in a growing season. The peach blossoms are red and should be used at the latest when the peach blossoms are 3%-5% open.

This is when the aphids hatch their larvae. If this medicine is used, the effect is still very good. The main aphids that harm peach trees are peach aphids, peach aphids and peach aphids.

When fruit trees sprout in the spring, the overwintering eggs begin to hatch, and the hatched aphid swarms gather on the underside of the shoots and young leaves to damage and reproduce, especially in April-May.

Aphids mainly harm the young branches and leaves of peach trees, and use slender needles to absorb the sap, so that the leaves curl and shrink, resulting in early drying or falling off of the leaves, which seriously affects the normal growth of peach branches and leaves. At the same time, the honeydew excreted by aphids pollutes the leaves and branches, hinders the physiological activities of peach trees, often causes soot spot disease, and accelerates the early defoliation of peach leaves. Combined with spring pruning, cut off dead branches and concentrate on incineration; Tobacco, cabbage, bell pepper and other crops should not be planted between peach orchards to reduce the breeding grounds of aphids in summer.

At the same time, the ventilation transparency is increased, and the harm of aphids is reduced. Protect and utilize natural predators in orchards, such as ladybugs, lacewings, aphid-eating flies, cocoon wasps, etc. to avoid spraying broad-spectrum insecticides during peak predator activity.

Aphids usually leave their eggs on the outer branches of peach trees in winter. Therefore, when pruning peach branches, it is necessary to pay attention to shortening the spring buds and taking out the removed branches from the peach orchard and burning them. Aphids don't like the taste of leeks very much!

Therefore, we interplant leeks in the peach orchard and use the smell of leeks to drive away the aphids on the peach trees, which can reduce the density of aphids in the peach orchard and reduce the harm to the peach orchard! In the case of farming systems, crop rotation and continuous cropping should be avoided as much as possible. After the harvest of the previous vegetables, the soil should be ploughed in time, the field debris should be removed, and the number of aphids should be reduced.

Aphids like to eat carbohydrates. In the process of vegetable planting, more well-rotted farmhouse fertilizer should be applied, and chemical fertilizer should be applied as little as possible. In particular, do not fertilize too much at once, so that the leaves are too green and overgrown.

If there is a sudden increase in carbohydrates in the plant, the aphids will break out in a short period of time.

The way to eliminate aphids can be used dichlorvos emulsion mixed with water 1000 1500 times to spray peach trees, and you can also use half a catty of garlic to crush and add 1 kg of water to kill insects on fruit trees.

You can wear gloves and slowly rub the leaves with your hands and rinse them with water. Alternatively, you can rinse the detergent with water and spray it on the leaves.

The best period for aphid control is when the leaves of the peach tree are green and the flower buds are budding, that is, when the flower dew is red. At this time, the drug can be used once, and then it can be used again 1 or 2 times according to the insect situation, and each drug must be used before the leaf curling, otherwise it will affect the control effect. Peach blossoms should not be used for medication during the blooming period.

In normal years, the occurrence of aphids can be controlled by 2-3 times of medication. Therefore, the control of peach tree aphids is advocated as early as possible, before the leaves and buds of the peach tree are harmed. Once the leaf roll is caused, the difficulty of control increases, and the cost of control increases.

The chemical control of peach aphid should pay attention to the control period and key nodes. Generally, 3 times of medication can control the peach aphid. The first dose can be used after the flower buds are swollen and red, and then the second dose can be applied after flowering, and then according to the degree of aphid occurrence, with an interval of 20-25 days, and then 1 or 2 times before leaf rolling.

How to control aphids in peach trees Effective methods of aphids.

Reasonable plastic pruning for agricultural prevention and control, strengthening the management of fertilizer and water, and removing dead branches and leaves. Prune off the damaged branches and burn them intensively. Between the rows of peach trees or near orchards, it is not advisable to plant tobacco, cabbage, radish, etc., to reduce the summer breeding grounds of aphids.

There are three main types of aphids that harm peach trees: peach aphid, peach powder aphid and peach tumor aphid. Peach aphid and peach powder aphid feed on the sap on the dorsal or tip of the leaf or the tip of the tender tip in clusters of adults or nymphs. When peach flour aphids are infested, the back of the leaves is covered with powdery mildew, which can induce mildew.

Low temperatures and rainfall are conducive to the occurrence and epidemic of diseases. Generally, after the flowers fall, spray 500-800 times of 80% mancozeb liquid of Lvheng, or 500-800 times of more than mancozeb liquid of Lvheng, 250 grams of Lvheng 3000-5000 times of difenoconazole solution, 250 grams of Lvheng Propiconazole is precipitated water, one is the use of plant ash or precipitated water, the other is the use of highly pure grain rice wine, in the daily management, the lime powder or plant ash is sprinkled on the peach tree, or the lime powder and plant ash precipitated water is used to match the appropriate amount of water, Spray on the body and foliage of the tree.

The larvae eat the cortex and xylem of the peach branches, and the transport of water and essential minerals absorbed by the roots is limited, which weakens the growth of the tree and weakens the tree, and may shorten the peach tree of the main peach tree. Aphids are also called honey worms, and "wood engineers" are called "oil" here.

Or stick one or several loops of tape around the tree, and the glue side is outward, so that the ants cannot pass, and those who are brave enough to try to pass can only be stuck and die. To deal with female ants only spray to kill, because it has wings to fly to the tree, but after all, the female ant is less harmful, it can use spiroethyl ester pyridafen + thiamethoxam to control the bud period of medicine, this time grasp the time can significantly reduce the base of the insect population; 10 days after the second peach blossom, it is recommended to use thiamethoxam, imidacloprid, chlorpyrifos + pymetrozine and pyripropyl ether;

The third interval of 10-15 days of industrial control, reasonable pruning, improve the ventilation and light transmission conditions in the garden, remove the ground dead branches and rotten leaves, bury deep underground, loosen the soil, reasonable fertilization and watering, white trunk and large branches, etc., these methods can greatly reduce the base number of overwintering insects and eggs.

You can put some pest control tools next to the peach tree, or use pesticides, you can also use some white paint on the trunk of the peach tree, you can also use a pungent liquid, or you can plant some leeks in the peach orchard, or you can use laundry detergent.

You can buy some pesticides to spray on the leaves of the peach tree, or you can water the peach tree roots in a certain proportion of pesticides and water. Turning the soil frequently can also play a good role in repelling insects. If there are insects in the peach tree, it is necessary to clean up the branches with insects in time, and also do a good job of vegetables and fruits, ventilate the peach tree, and water it frequently.

The main damage of the insects to peppers is the leaves, tips, and flower centers.

Aphids damage the leaves, causing them to curl up and slowly die, seriously affecting the yield of peppers.

The aphids that infest peppers are mainly peach aphids. On the one hand, the harm of peach aphid to pepper is to directly suck the sap of the plant, causing the young leaves to curl and shrink, the adult leaves to produce green spots, the leaves to turn yellow, age, and grow slowly; On the other hand, it is also the main vector of viral diseases.

The main symptoms of aphids after infestation damage pepper: the leaves are shrunken and curled, the growth point inhibits normal growth, and the pepper becomes a foreign fruit.

The main damage of aphids to peppers is the leaves, the top of the flower and other parts.

The main harmful symptoms of aphids to peppers are atrophy and yellowing.

The leaves grow poorly, fade and yellow, and the aphids have strong reproductive ability, and they are infected with viruses. Bad respect.

Aphids are vectors for the spread of viral diseases and damage leaves.

Aphids mainly damage leaves, shoots and other parts, so that their curls are hollow and withered and die.

The harmful symptom of aphids to peppers is that the leaf curl growth point cannot grow normally.

The main hazards of pepper aphids are: aphids are a kind of insect pests that will appear in many vegetables, and the harm is very large, and it is more serious to the production of peppers in protected areas. Aphids feed on the sap of leaves and inner stems, and once the plant is infected with aphids, the leaves will soon grow poorly, fade and turn yellow.

What's more, aphids can also spread viruses and cause viral diseases, which cause far more damage to peppers than the aphids themselves.

Adults and nymphs suck the sap on the leaves, causing the leaves to shrink and deform, and the plant growth is poor, affecting the core. The remaining plants harm the tender stems, young leaves, peduncles, and tender pods, so that the peduncles are twisted and deformed, and they cannot be pumped normally. In addition, the peach crypto aphid transmits a variety of viruses, causing greater harm.

Peach aphid is very harmful to chili peppers, what does peach aphid mainly harm chili peppers? The aphids that harm peppers are mainly peach aphids and melon aphids. Aphids like to live in groups on the backs of leaves, flower stalks or young stems, sucking plant juice and secreting honeydew.

The leaves of the damaged rolling pins turned yellow, and the leaf surface was wrinkled and the spikes shrank and curled. The young stems and flower stalks are bent and deformed, which affects the flowering and fruiting, inhibits the growth of the plants, and even wilts and dies. In addition to the harm caused by sucking plant sap, aphids can also transmit a variety of viral diseases.

There are many ways to control pests, such as spraying insecticides to kill the pests on the surface, and if you have the conditions and technology, you can kill the pests inside the peach tree by hanging bottles. After that, every half a month, sprinkle some baking soda solution, there will be no pests, and the peach tree will grow very clean.

You can clean up the surrounding environment of the peach tree, you can spray the peach tree with insecticides and herbicides, you can water the peach tree more, apply more fertilizer, and prune the branches of the peach tree, so that you can prevent insects.

Be sure to water and fertilize in time, be sure to replenish fertilizer in time, choose the right agent according to the appearance of pests and diseases, grasp the appropriate time to use fertilizer, and should prescribe the right medicine and choose the right pesticide.

When planting, we must choose the soil is relatively fertile and broad, and we must use farmhouse fertilizer when fertilizing, do not use the fertilizer bought outside, and often water the plants, but also to prevent the occurrence of pests and diseases, if there is a situation of small insects, then we must spray insecticides in time.

Go for insect control work often. Frequent weeding. Spray pesticides regularly. Prune the yellowed leaves regularly. Cut off the spoiled fruit regularly.

Peach tree aphid control methods.

1. Strengthen orchard management. Combined with spring pruning, cut off the damaged branches and burn them intensively.

2. Reasonable supporting cultivation. Crops such as tobacco and cabbage should not be planted between or near the rows of peach orchards to reduce the summer breeding grounds of aphids.

3. Protect natural enemies. Ladybugs, aphid-eating flies, grass lacewings, and parasitic wasps are the natural enemies of aphids, so broad-spectrum pesticides should be sprayed as little as possible, and spraying pesticides when there are many natural enemies.