What if there is drug damage to soybeans?

Soybean is a common crop in China, which is planted in many areas, but mainly in the north, and can get a certain amount of subsidy every year. During the period of planting soybeans, there will be all kinds of drug damage, so how to do if soybeans have drug damage?

What if soybeans are harmful to drugs?

The main results are as follows: 1. With the application of fertilizer, when the plant shows symptoms such as yellowing and drug damage, the amount of urea can be increased by 3.3 kg per mu, nutrients can be increased and cultivation can be strengthened to enhance the growth vitality of soybean and promote early development.

2. Spraying plant growth regulators, spraying Yunda 120 2 grams per mu + 13 milliliters of yield-increasing bacteria concentrate, or rooting powder and other chemicals. At present, naiamine, which is commonly used in the market, also plays a certain role in alleviating drug damage.

3. Measures should be taken to promote early maturity and increase yield, spraying foliar fertilizer and strengthening field management in the middle and later stages to promote the damaged plants to resume growth as early as possible and mature normally. Per mu can be sprayed with 170 grams of potassium dihydrogen phosphate + Tailongbao foliar fertilizer (biological agent) 100 grams + urea 500 grams. In addition, appropriate micro-fertilizer can also be used, such as 150 grams of ammonium molybdate per mu, 100 grams of borax and 200 grams of zinc sulfate as foliar fertilizer.

4. For the chemicals that cause drug damage, gibberellin or plant ash and activated carbon can be sprayed to alleviate the damage; for the damage of photosynthesis inhibitors and some contact herbicides, quick-acting fertilizer can be applied to promote the growth of soybean; the drug damage of soil treatment agents can be treated by ploughing and other treatments to reduce residues as far as possible.

Second, why do soybeans have drug harm?

1. Pesticides such as insecticides, fungicides, herbicides, plant growth stimulating hormones, etc., or excessive concentration, incorrect spraying time, anthesis or herbicides sensitive to soybeans can cause drug damage in soybean.

2. Soybean suffers more from diseases and insect pests in the whole process of growth and development. Frequent use of drugs in production will inevitably lead to drug damage. Any adverse consequences of pesticides on the growth and development of crops are called drug damage.

3. If the application of dichlorvos, dimethoate and herbicide is improper, it is easy to cause lethal drug damage. Such as dichlorvos drug damage, the mesophyll first turns purple, then bright red or light yellow, the leaf vein remains green, and then the leaf vein also turns yellow; Bordeaux liquid drug damage, the leaves produce scorched spots, hardening, early fall, plant shrinkage; stone-sulfur mixture damage, leaves, pod shells produce burn blocks, leaves are easy to dry and fall off. The application of herbicides such as 2mae4murD, dimethyltetrachloride, 2pyrrolidine and so on often produces endogenic type of drug damage, also known as chronic type of drug damage, which takes a long time to show plant dwarfing, deformity, leaf flesh thickening, leaf color thick green, leaf wrinkle and so on. In severe cases, the lateral branches are clustered and the growth point is necrotic. The leaves of soybean were chicken claw-shaped, and the leaves became smaller and narrower after being damaged by 2pj4MUE D.

4. The drug damage caused by excessive trifluralin caused the formation of tumor in the main root of soybean. When the concentration of dwarftin is too high, it can also produce similar symptoms. Anthesis medication often affects pollination, resulting in ovary infertility or falling flowers.