Agritol suspension seedling-coating agent

Abstract

The present invention relates to a bacillus thuringiensis suspension seed dressing agent for controlling soybean sporangium nematode. Its composition includes (by wt%) 20-90% of bacillus thuringiensis slurry, 2.5-5.0% of nutrient agent, 0.1-0.8% of film-forming agent, 6-9% of ethyl alcohol, 0.6-0.75% of acid red B, 0.2-0.45% of sodium benzoate and the rest is water. The described nutrient agent is one of phosphate and sulfate or their mixture, and the described film-forming agent is one of xanthan, methyl cellulose and polyethylene glycol or their mixture.

Description

technical field [0001] The invention relates to a suspension seed coating agent for soybean cyst nematodes. Background technique [0002] Soybean cyst nematode is a soil-borne disease that is extremely difficult to control because of its wide distribution and serious damage. At present, all major soybean producing countries are suffering from the disease, seriously affecting the world's soybean production. Affected soybeans generally reduce production by 30-50%, and even cease production in severe cases. It occurs almost universally in Northeast my country and Huanghuaihai production areas, and the annual damage area reaches 2 million hm 2 above. At present, chemical pesticides such as carbofuran, isofenphos-methyl, aldicarb and gramazan are mainly used for seed treatment in China. The disadvantage is that the dosage is too large and it is harmful to the environment. In response to this situation, someone invented "A Method for Seed Production...

AI Technical Summary

Problems solved by technology

At present, chemical pesticides such as carbofuran, isofenphos-methyl, aldicarb and gramazan are mainly used for seed treatment in China. The disadvantage is that the dosage is too large and it is harmful to the environment.

In response to this situation, someone invented "A Method for Seed Production and Preservation of Spring Edamame in Subtropical Areas" (patent application number 200410066581), which includes the following steps: in the middle and late stages of the bulging before the soybean pods and stems turn yellow, in advance Fresh soybeans with green pods are picked from living rods as seeds, and the seeds are divided into separate packages and dried in the shade under shady and shaded conditions, followed by blowing, threshing and precipitation, and then using biological components such as chitin, Bacillus thuringiensis, natto resin, trace elements, guar gum, etc. The soybean germ-preserving coating agent prepared by the preparation, the dry seeds are specially coated and stored under low temperature conditions. It solves the problem of soybean protein denaturation caused by high temperature and rain in subtropical regions from June to August, causing seeds to lose vitality.