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Microbial pesticide and preparing method thereof

A microbial pesticide and weight fraction technology, applied in the field of pesticides, can solve the problems of low efficiency and low release rate of microbial pesticides, and achieve the effects of reducing water stress, facilitating degradation and inducing systemic resistance.

Inactive Publication Date: 2016-07-27
FOSHAN JUCHENG BIOCHEM TECH RES & DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The release rate of existing microbial pesticides is low, which is likely to cause problems such as low efficiency

Method used

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  • Microbial pesticide and preparing method thereof

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Effect test

preparation example Construction

[0027] The present invention also provides a kind of preparation method of microbial pesticide, it is characterized in that, this method comprises: a, with vermiculite, diatomaceous earth, talcum powder, pseudo-boehmite, polyethylene glycol, urea and water with weight ratio 1: (3-10): (15-35): (0.1-0.6): (0.1-0.6): (1-5): (60-120) after mixing evenly, filter and dry to obtain the first solid; wherein , the vermiculite, diatomaceous earth, talcum powder, and pseudoboehmite are measured on a dry basis; b, the first solid obtained in step a is roasted at 350-430° C. for 1-10 hours to obtain the second Solid; c, pulverizing the second solid obtained in step c and passing through a 20-100 mesh sieve to obtain the first powder; d, sterilizing the first powder obtained in step c and mixing with Bacillus mycelia and sodium alginate , sodium carboxymethyl cellulose and chitin are uniformly mixed to obtain microbial pesticides; wherein, the weight fraction of sodium alginate in the micr...

Embodiment 1

[0037] Bacillus subtilis was inoculated in the culture medium according to the number of inoculated colonies of 1.5%, cultured at 20° C. for 5 days, the culture was taken out and filtered, and the obtained solid was regarded as Bacillus subtilis.

[0038] Vermiculite, diatomaceous earth, talcum powder, pseudoboehmite, polyethylene glycol, urea and water were mixed uniformly in a weight ratio of 1:3:15:0.1:0.1:1:60, filtered and dried to obtain the A solid; wherein, the vermiculite, diatomaceous earth, talcum powder, and pseudo-boehmite are measured on a dry basis; the first solid is roasted at 430° C. for 10 hours to obtain a second solid; the second solid obtained The solid is pulverized and passed through a 100-mesh sieve to obtain the first powder; the obtained first powder is sterilized and then mixed evenly with Bacillus mycelium, sodium alginate, sodium carboxymethylcellulose and chitin to obtain the microbial pesticide; wherein , the weight fraction of sodium alginate i...

Embodiment 2

[0040] The Bacillus licheniformis was inoculated in the culture medium according to the number of inoculated colonies of 0.3%, cultured at 25°C for 10 days, the culture was taken out and filtered, and the obtained solid was used as the mycelia of the Bacillus licheniformis.

[0041] Vermiculite, diatomaceous earth, talcum powder, pseudoboehmite, polyethylene glycol, urea and water are mixed uniformly at a weight ratio of 1:6:20:0.3:0.3:3:80, filtered and dried to obtain the A solid; wherein, the vermiculite, diatomaceous earth, talcum powder, and pseudo-boehmite are measured on a dry basis; the first solid is roasted at 350° C. for 5 hours to obtain a second solid; After the solid is pulverized and passed through a 20-mesh sieve, the first powder is obtained; after the obtained first powder is sterilized, it is evenly mixed with Bacillus mycelia, sodium alginate, sodium carboxymethylcellulose and chitin to obtain a microbial pesticide; wherein , the weight fraction of sodium a...

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Abstract

The invention relates to microbial pesticide and a preparing method thereof.The microbial pesticide is prepared from vermiculite, kieselguhr, talcum powder, aluminum oxide, bacillus hypha, sodium alga acid, sodium carboxymethyl cellulose and chitin.The dry basis weight ratio of vermiculite to kieselguhr to talcum powder to aluminum oxide is 1:(3-10):(15-35):(0.1-0.6):(0.1-0.6).The weight fraction of sodium alga acid in the microbial pesticide is 0.1-3%, the weight fraction of sodium carboxymethyl cellulose is 0.1-3%, the weight fraction of chitin is 0.1-3%, and the inoculation bacterial colony of bacillus is 109-1010 cfu / g.The microbial pesticide is good in effect and high in release rate.

Description

technical field [0001] The invention relates to the field of pesticides, in particular to a microbial pesticide and a preparation method thereof. Background technique [0002] Microbial pesticides include agricultural antibiotics and live microbial pesticides. To use microorganisms or their metabolites to prevent and control diseases, insects, weeds, and rodents that harm crops and to promote crop growth. It includes the use of bacteria to control insects, bacteria to control bacteria, and bacteria to kill weeds. This type of pesticide is highly selective, safe for humans, livestock, crops and the natural environment, does not harm natural enemies, and is not easy to develop resistance. These microbial pesticides include bacteria, fungi, viruses or their metabolites, such as Bacillus thuringiensis, Beauveria bassiana, nuclear polyhedrosis virus, Jinggangmycin, Clostridium botulinum type C exotoxin, etc. With people's higher and higher requirements for environmental protec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N63/00A01N59/06A01N59/00A01N43/16A01P1/00A01P3/00A01P21/00C09K17/40C09K101/00
CPCA01N43/16A01N59/00A01N59/06A01N63/00C09K17/40C09K2101/00A01N2300/00Y02A50/30
Inventor 不公告发明人
Owner FOSHAN JUCHENG BIOCHEM TECH RES & DEV CO LTD
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