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1.In recent years, the experience of controlling aphids has been commonly used.
Acetamiprid. Imidacloprid.
Pymetrozine. These single agents are getting worse and worse, and aphids are becoming more and more resistant.
Halodimidoxapyr.
It is currently a good agent for the control of peach tree aphids.
Touch-to-kill. Aphids, also available.
Suction. It is highly effective in killing aphids, has a long duration of effect, is resistant to rain washing, and can be used twice in a growing season.
Spiroethyl ester. It has two-way suction.
Conductibility. Throughout the plant body.
Up and down. Move, reach the leaves and bark, pests on the bark, prevent the growth of aphid larvae, have a long duration of effect, and provide effective control for up to 8 weeks.
4.Pymetrozine has the ability to kill and.
Systemic effect. Aphids.
One touch. Almost immediately, pymetrozine has a needle-blocking effect, immediately stops feeding, and eventually starves to death. The 48-hour lethality rate can reach 100%.
Thiamethoxam. It has contact killing, stomach toxicity, systemic properties, fast action speed, long duration of effect, and can control aphids at the same time
Leafhoppers. Whiteflies.
Cockchafer. Larvae, nematodes, ground beetles, leaf miners, etc.
Dinotefuran. It has contact killing, stomach toxicity, high fast-acting, and a long duration of 4-8 weeks
Insecticidal spectrum. It has excellent control effect on aphids and shows high insecticidal activity at very low doses.
High-potency cyhalothrin.
Imidacloprid, spirometallethyl ester+
Pyripropyl ether. Dinotefuran, spiromethane ethyl ester + pymetrozine, spiromel ethyl ester + thiamethoxam, thiamethoxam, enylpymetrozine, pymetrodicaridin,
Bifenthrin. Imidacloprid, bifenthrin + acetamiprid, etc.
Special attention should be paid to the prevention and control of pesticides
Spraying. The amount of water must be sufficient, and the back of the leaves must also be hit. In the event of leaf rolling, it is important to increase the amount of water used and the nozzle with strong impact. Ensure two points: thorough and even.
The interval between the use of pesticides is 7-10 days, pay attention to alternate use when using, do not use the same pesticide ingredients in a row, and avoid the enhancement of aphid resistance.
If the pesticide is mixed, such as spiromel ethyl ester + dinotefuran, it is recommended to dilute the pesticide twice before use, and then spray it evenly on the leaves of the peach tree.
Front and back. In order to achieve the best prevention and control effect.
4. Other control methods for peach tree aphids.
1.Aphids overwinter on peach trees, and aphid eggs are often on the branches on the periphery of peach trees, so it is recommended to pay attention to truncation.
Spring shoots. Take the removed branches out of the peach orchard and burn them.
2.Aphids are yellowish and peach farmers can hang from the branches of peach trees with fewer leaves in their peach orchards.
Yellow board. Carry out aphid control and reduce the number of insect populations.
Washing powder. The aqueous solution can also kill aphids, washing powder and water are mixed evenly by weight of 1:500, sprayer.
Spraying on the leaves of peach trees can also kill aphids.
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How to control aphids in peach trees Effective methods of aphids.
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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.
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The control of peach tree aphids with imidacloprid or acetamiprid 2000 times liquid effect is good, and it is recommended to use acetamiprid for the peach tree that has rolled its leaves.
There are many pesticides to control aphids, and a reasonable choice is. After the leaf development, the reproduction rate of peach aphid began to accelerate, the fastest growth from April to June, should be sprayed once every 7 10 days according to the occurrence of insect pests, and the agent can be selected with 50% pymetronics isoprocarb wettable powder 2000 times liquid.
1. Prevention and control methods of peach tree aphids.
1. Agricultural control: In autumn and winter, cut off the branches and leaves with insect pests, scrape off the skin of the peach tree, and then take the fallen branches and leaves in the orchard and the cut branches and leaves out of the peach orchard to be burned, destroy the living environment of aphids, and reduce the number of eggs in the orchard.
2. Biological control: In the early stage of aphids, ladybugs are released in the orchard, generally 100 calories per mu (20 eggs per card) are placed to kill aphids, and at the same time protect the natural enemies of aphids such as lacewings, aphid flies, aphid cocoon wasps, parasitic wasps, and ladybugs.
3. Physical control: using the aphid's yellow tropism, use a rectangular cardboard, coat a layer of yellow advertising color on the cardboard, then apply a layer of viscous oil on the cardboard, and finally put these cardboards in the orchard to eliminate aphids. Or apply a layer of white substance to the stem of the peach tree to use the aphids' anti-silver properties to repel aphids.
Soak cigarette butts in water and pour them over.
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