Soybean field spraying insecticide will produce phytotoxicity

An agricultural sales dealer from Yandu District, Yancheng City, came to the telephone to report that a local farmer used avermectin and insecticide to control pests in paddy fields. After spraying, a small amount of liquid medicine was left. By the way, it was sprayed on 0.1 mu of soybean planted on his own. , Results Soybeans appeared scald-like symptoms on the second day, followed by dry yellow. He asked whether soybeans were harmed by phytotoxicity. It is understood that soybeans have been in the flowering stage.

According to the above-mentioned situation, soybeans are likely to be harmed by insecticides and there is no good way to rescue them. In particular, soybeans are in a period of flowering and podging. They are sensitive to drug reactions and are likely to cause severe flowering and desalination, which will have a great impact on the final yield.

The insecticidal dual-genus silkworm toxin pesticide is a nerve agent with contact, stomach and fumigation effects. The drug has strong systemic absorption and can be absorbed by the leaves, roots, etc. of the crop and conducted in the body. Insecticides are suitable for use on rice and other crops. The standard for safe use on rice is spraying 250 grams of 25% diuretic insecticide per acre. The use of rice must not exceed 3 times per season. The last application should be harvested. More than 15 days. Leguminous vegetables such as legumes, cotton, cabbage, and cabbage are more sensitive to dimehypo, especially in the summer. Improper use of citrus, pear and other crops also have phytotoxicity reports. Therefore, the pesticide should be applied according to the registered crop and the prescribed amount of use. The amount should be strictly controlled on citrus and other crops to avoid spraying at high temperature during noon.