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Application for natural pyrethrin emulsion preparation

A technology of natural pyrethrin and emulsifiable concentrate, applied in the field of fungicides

Inactive Publication Date: 2007-12-12
红河森菊生物有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

And do not see the report and the application that relevant pyrethrum is used for fungicide so far

Method used

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  • Application for natural pyrethrin emulsion preparation

Examples

Experimental program
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Effect test

Embodiment 1

[0026] Accurately weigh and analyze the content of pyrethrins in the refined natural pyrethrins, add 0.2-0.5% stabilizer BHT (p-cresol) of the content of pyrethrins in the original medicine, and then add 50% of the content of pyrethrins in the original medicine ~300% synergist tangerine oil is stirred and dissolved, dilutes emulsifier (5201) with appropriate amount of acetone solution, then adds 10~30% emulsifier of pyrethrin content in the former medicine, after stirring evenly, then adds turpentine (Eucalyptus blueus oil), until the content of pyrethrins is 0.5% to 5%, to obtain natural pyrethrin emulsifiable concentrate preparations.

[0027] The obtained natural pyrethrin emulsifiable concentrate preparation is used as a fungicide for Botrytis cinerea, Capsicum anthracnose, Cucumber blight, Tomato early blight, Wheat scab, Fusarium moniliforme, Watermelon wilt and Wheat sheath blight . Specific usage: Dilute the natural pyrethrin emulsifiable oil by 200-1000 times with wa...

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Abstract

The invention relates to the application of natural pyrethrum emulsifiable concentrate preparation as bactericide for killing wheat scab pathogen and wheat Rhizoctonia cerealis. The invention is pure natural plant source bactericide, its solvent, synergist, and stabilizer are all plant extracts. It has no residues as pyrethrin will decompose into water and carbon dioxide in nature. The preparation has low toxicity and no residues, generates no pesticide toxicity to the seedling, flower, and fruit of plants, even overcommiting. The inventive pyrethrum emulsifiable concentrate preparation can be used for preventing and treating plant pathology, and exploits new field for the application of pyrethrum. The inventive pyrethrin emulsifiable concentrate preparation can be used as bactericide in the production of green food and organic food due to its no residue.

Description

technical field [0001] The present invention relates to bactericide, especially the application of natural pyrethrin emulsifiable concentrate preparation as bactericide. Background technique [0002] Pyrethrum has always been considered as an insecticidal plant, and the application of pyrethrum has always remained in the exploration of insecticidal effects. And do not see the report and the application that relevant pyrethrum is used for fungicide so far. Contents of the invention [0003] The object of the present invention is to provide a new application of natural pyrethrins, that is, the natural pyrethrins emulsifiable concentrate preparation is used as a fungicide for the prevention and treatment of plant diseases. [0004] The patent "a natural pyrethrin emulsifiable concentrate preparation" previously applied by the applicant is mainly developed for plant pests. It can improve the insecticidal effect, has no residue, is harmless to humans and animals, and does not ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N53/00A01P3/00
Inventor 范洁茹彭幸辉罗怀中
Owner 红河森菊生物有限责任公司
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