There are many ways to eliminate corn borers in the market, but most of them are Cao Yong pesticides. The so-called three-drug poison is harmful. The pesticides are inevitable. In order to relieve everyone’s concerns about the phytotoxicity, the Chinese pesticide network is small. I have compiled several "earth" methods for quenching corn borers, and I hope to help you.
First, take 0.5 kg of purple skin garlic, add a little water for a while, smash the juice, dilute 10 times with water, spray immediately to eliminate the mites: take 3 orange peels, soak in the cup with warm water, cover the suffocating for a day and night, use every day Spray the juice, soak the water with a cigarette, and spray the place where the insects are. These two methods are aimed at the elimination of the private species of flowers, grasses and grasshoppers.
The second is to soak the peach leaves with water for a day and night, add a small amount of quicklime to filter and spray; the third is to grind the tobacco into fine powder, add a small amount of lime to spread, and receive good control effect.
In the process of agricultural production
The volatile smell of leeks has a repellent effect on aphids. If it is mixed with other vegetables, it can reduce the density of aphids and reduce the damage of aphids to vegetables. Or washing powder to kill cockroaches, the main component of washing powder is sodium dodecyl benzene sulfonate, which has a strong contact effect on aphids. Use 400-500 kilograms of washing powder 400-500 times per acre, and spray 2~3 times, which can play a good preventive effect.
The wintering eradication of the insect source, the dry grass near the vegetable field and the residual diseased leaves after the harvest of the vegetables are the main wintering hosts of the aphids. Therefore, it is necessary to thoroughly clean the weeds in the fields and vegetable fields before winter, winter and spring to eliminate the insect source and improve the control effect.
Using natural enemies to prevent cockroaches, the natural enemies of locusts have seven-star scoop stars, heterochromatic ladybugs, scorpion flies and mold fungi, which have an irreplaceable killing effect on aphids.
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