A kind of mesobiotics wettable powder and preparation method thereof

Abstract

The invention discloses a Zhongshengmycin wettable powder, and a preparation method thereof. The formula comprises Zhongshengmycin raw powder, an adsorption carrier auxiliary agent, and a filling material; according to the Zhongshengmycin raw powder, the contained solid matters are substances obtained through culture medium decomposition in fermentation process; the adsorption carrier auxiliary agent is composed of a liquid state nonionic surfactant and an adsorption carrier; the liquid state nonionic surfactant is fatty alcohol polyoxyethylene ether and / or polyoxyethylene polyoxyethylene glycerol ether; and an adsorption carrier is white carbon black and diatomite. The formula is capable of reducing raw powder production labor intensity, saving energy, and reducing consumption; in the rawpowder, Zhongshengmycin content is equal to or larger than 150000<mu>g / g; product quality of the Zhongshengmycin wettable powder such as suspensibility, wetability, dispersibility, and stability canbe improved effectively; dust generation in production process is reduced; the preparation method is friendly to the environment; and excellent economical benefit and social benefit are achieved.

Description

technical field [0001] The invention relates to the technical field of biological pesticides, in particular to a Zhongshengmycin wettable powder and a preparation method thereof. Background technique [0002] According to the statistics of the Food and Agriculture Organization of the United Nations (FAO), in the process of agricultural and forestry production in the world, more than one-third of the losses caused by pests and weeds are caused by diseases, insects and weeds every year, and there are about 3 million chemical pesticide poisoning incidents in the world every year. In developing countries, there are about 1,650 mass poisoning incidents worldwide each year caused by eating pesticide-contaminated food. Therefore, it has become an inevitable trend and a global consensus to vigorously develop biopesticides that are safe, low-toxic and non-toxic, low-accumulating and non-accumulating, and do not pollute the environment. Zhongshengmycin (chemical name: 1-N glucosyl ch...

AI Technical Summary

Problems solved by technology

[0005] 1) Plates and frames are used for liquid-solid separation in the raw powder production process, resulting in environmental pollution and poor sanitation, high labor intensity, low work efficiency, and low product yield;

[0006] 2) Add flocculant cationic polyacrylamide and precipitant diatomite to the fermented liquid, and add light calcium carbonate to spray after the concentrated solution is mixed with the filter residue to obtain the original powder, and the content of the obtained original powder is relatively low; The content of Zhongshengmycin in the wettable powder prepared from powder can not be increased, which limits the scope of use of Zhongshengmycin preparations;

[0007] 3) The active ingredients of Zhongshengmycin raw powder are relatively stable under weakly acidic conditions, while a large amount of light calcium carbonate is used as a filler carrier for the preparation of wettable powders, causing the pH of the wettable powders to reach pH8-9, or even higher. Conducive to the relative stability of the active ingredients of Zhongshengmycin;

[0008] 4) The production process of wettable powder is a simple mixture of raw powder + additives + filler carrier, making the wettability index, one of the key indicators of the product, unstable, affecting the adhesion and penetration capabilities of the product, and ultimately affecting the efficacy of the product , limiting the further and rapid expansion of Zhongshengmycin wettable powder products