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Goosegrass bipolaris crude toxin extraction process and formulation

A kind of Helminthrosporium umbilatus and extraction technology, applied in the field of microorganisms, to achieve good control effect, simple and easy extraction process, and environment-friendly effects

Inactive Publication Date: 2006-12-27
CHINA NAT RICE RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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  • Goosegrass bipolaris crude toxin extraction process and formulation

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Embodiment Construction

[0018] According to the total extract of Helminthosporium cricket obtained by the above-mentioned extraction process, the total extract of the fermentation product of Helminthromyces cricket is produced according to the following formula and process: emulsifiable concentrate preparation and suspoemulsion. Both formulations may also contain other active ingredients for special effects.

[0019] 1. Emulsifiable concentrate preparation of the total extract of the fermented product of Umbilamisporium cricket

[0020] components

Example 1: 2% emulsifiable concentrate,

Content (%)

Example 2: 5% emulsifiable concentrate,

Content (%)

Example 3: 8% emulsifiable concentrate,

Content (%)

The total extract of the fermentation product of Umbilatus cricket

Emulsifier Nongru No. 500 + Ningru No. 34,

Or emulsifier 0204 (calcium dodecylbenzenesulfonate+

Alkylphenol polyoxyethylene ether)

Penetrant DMF or DMF

Organic solvent xyle...

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Abstract

The yard grass bipolaris crude toxins extraction process and its agnets, which belongs to the microb technology field. It includes the following steps: separate fruitbody and fermentative broth from fermentated culture of yard grass bipolaris; decompress and concentrate fruitbody abstracts and get the oil condensate; decompress, concentrate and extract fermentative broth, add some water to wash the extraction phase, then decompress and concentrate to get brown oil substance; then merge the above said substances is the total extraction of yard grass bipolaris fermented product, which is known as yard grass bipolaris crude toxins. The agent of yard grass bipolaris crude toxins contains 10-50% total extraction of yard grass bipolaris fermented product. The extraction process is very simple, the emulsion and emulsifiable formulation of total extractin agent are belongs to microbial herbicide and microbial fungicides. It can prevent ruderal and rice sheath blight. It has not residual pesticide Injury and is environment friendly.

Description

technical field [0001] The invention belongs to the technical field of microbes, and in particular relates to a process for extracting a crude toxin from Helminthes cricket and a preparation thereof. Background technique [0002] Barnyardgrass is one of the most difficult weeds to control in the world, and currently it mainly relies on chemical herbicides to control it. However, the long-term use of chemical herbicides has made the resistance (resistance) of barnyardgrass and the problem of environmental pollution more and more serious. The development of safe and efficient biological herbicides meets the requirements of sustainable agricultural development. Although biological herbicides cannot completely replace chemical herbicides, they can effectively reduce the dosage of chemical herbicides, thereby reducing environmental pollution. [0003] In addition, rice sheath blight is a global rice disease caused by the soil fungus Rhizoctonia solani...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P1/02C12N1/14A01N63/04A01P13/00
Inventor 张建萍余柳青段桂芳
Owner CHINA NAT RICE RES INST
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