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Pesticide composition containing thymus mongolicus and common origanum extracts, and preparation method and application thereof

A pesticide composition and the technology of thyme, applied in the field of crop fungicides, can solve the problems of crop drug residues, wide distribution of rust, and great harm, and achieve the effects of low effective concentration, significant bactericidal effect, and low cost

Active Publication Date: 2014-03-26
CHENGDU NEWSUN CROPSCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In severe cases, the spores are densely piled into sheets, and the plants die quickly due to the evaporation of a large amount of water in the body. Rust is widely distributed and harmful, and it is more common in cereal crops, leguminous plants, and pears. Nowadays, the prevention and control of rust mainly uses chemical agents. Such as triazole EBI agents such as triadimefon, acid amide agents such as methazolamine, inorganic sulfur and other agents, these agents will cause drug residues in crops and cause serious environmental pollution

Method used

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  • Pesticide composition containing thymus mongolicus and common origanum extracts, and preparation method and application thereof
  • Pesticide composition containing thymus mongolicus and common origanum extracts, and preparation method and application thereof
  • Pesticide composition containing thymus mongolicus and common origanum extracts, and preparation method and application thereof

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Effect test

Embodiment 1

[0079] The preparation of the pesticide composition that embodiment 1 contains thyme and oregano extract

[0080] a. Extraction: Take the sun-dried thyme fruit and the oregano leaves after drying in the shade, mix them evenly, crush them, pass through an 80-mesh sieve, add solvent therein, stir well, heat up, turn on the agitator, and set the speed at 90 rpm , reflux extraction, the extraction is completed, filtering and collecting the filtrate;

[0081] Add solvent to the filter residue, stir evenly, raise the temperature, turn on the agitator, the rotation speed is 90 rpm, reflux extraction, filter, and collect the filtrate;

[0082] The filtrates collected twice were combined, and the filtrate was concentrated to the weight of the original medicinal materials to obtain thyme and oregano extracts bn-01~bn-07, which were refrigerated. For the extraction parameters of bn-01~bn-07 extracts, see Table 1.

[0083] b. Preparation: Add the additives in Table 2 to the extracts bn-...

Embodiment 2

[0088] Embodiment 2 The preparation of the pesticide composition containing thyme and oregano extract

[0089] a. Extraction: crush the dried thyme fruit, pass through a 80-mesh sieve, add solvent to it, stir evenly, heat up, turn on the agitator, set the rotation speed to 90 rpm, reflux extraction, after the extraction is completed, filter and collect the filtrate According to the above method, the filter residue was extracted again, the filtrate obtained by the two extractions was combined, and the filtrate was concentrated to the weight of the original medicinal material to obtain Thyme extract d1-01~d1-03, wherein, the parameters are shown in Table 3;

[0090] Take the oregano leaves after drying in the shade, pass through a 80-mesh sieve, add solvent therein, stir well, heat up, turn on the agitator, set the rotating speed to 90 rpm, and reflux extraction. After the extraction is completed, filter and collect the filtrate; The filter residue was extracted again, and the f...

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Abstract

The invention relates to a pesticide composition containing thymus mongolicus and common origanum extracts, and a preparation method and application thereof, and belongs to the field of pesticides. In order to solve technical problems, the invention provides the pesticide composition containing the thymus mongolicus and common origanum extracts, and the preparation method and application thereof. According to the pesticide composition containing the thymus mongolicus and common origanum extracts, active ingredients of the pesticide composition are extracted from 1 weight part of thymus mongolicus and 0.2 to 4 weight parts of common origanum. The pesticide composition containing the thymus mongolicus and common origanum extracts has an obvious effect of controlling rice blast and rust disease of crops, and is prepared from Chinese herbal medicines serving as raw materials, so the problem of pesticide residue is solved, environmental pollution is avoided, the pesticide effect concentration is low during use, and the cost is low.

Description

technical field [0001] The invention relates to a pesticide composition containing thyme and oregano extracts, a preparation method and application thereof, and belongs to the field of crop fungicides. Background technique [0002] Thyme is a genus of Lamiaceae, including about 350 species of perennial aromatic herbs, reaching a height of about 40 cm, and growing in Europe, North Africa and Asia. It is usually an evergreen plant with narrow stems. It has medicinal value and can be used to repel mosquitoes. It is pungent and lukewarm. Expelling wind and relieving exterior syndrome, promoting qi circulation to relieve pain, relieving cough, lowering blood pressure. For colds, coughs, headaches, toothaches, indigestion, acute gastroenteritis, hypertension. [0003] Oregano, also known as Zhishencao, Tuxiang, and mint, is a perennial herb of the Lamiaceae Oregano. It is mainly distributed in the Mediterranean region to Central Asia, North Africa, North America and most parts...

Claims

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Application Information

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IPC IPC(8): A01N65/22A01P3/00
Inventor 何其明唐齐严寒苏克跃
Owner CHENGDU NEWSUN CROPSCI
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