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

A pesticide composition and extract technology, applied in the field of pesticides, can solve problems such as environmental pollution, drug residues, metabolism interference, etc., and achieve the effect of simple extraction method, low effective concentration 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

The mildew spots are scattered separately in the early stage, and then combined to form a large mildew spot, which can even cover the whole leaf, seriously affecting photosynthesis, disturbing normal metabolism, causing premature aging, and loss of yield
Nowadays, the prevention and control of powdery mildew mainly depends on agricultural control and medicament control. The existing medicaments include fenxining, antimycotic, polyoxin, etc., among which fenxining is the most commonly used agent for treating powdery mildew. fenxining is also known as triadimefon It is a triazole fungicide with high efficiency, low toxicity, low residue, long duration and strong systemic absorption. Its CAS number is 43121-43-3 and its chemical name is 1-(4-chlorophenoxy)- 3,3-Dimethyl-1-(1H,1,2,4-triazol-1-yl)-2-butanone, these agents will cause drug residues in crops and cause environmental pollution

Method used

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

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0083] Embodiment 1 Preparation of the pesticide composition containing cumin and oregano extract

[0084] a. Extraction: Take the dried kuming 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 min, reflux extraction, the extraction is completed, filter and collect the filtrate;

[0085] Take the filter residue obtained after filtration, add solvent therein, stir evenly, heat up, turn on the agitator, set the rotation speed to 90 rpm, reflux extraction, filter, and collect the filtrate;

[0086] Combine the filtrates collected twice, concentrate the filtrate to the weight of the original medicinal materials, and obtain cumin and oregano extracts kn-01~kn-07, which are refrigerated, and the parameters of kn-01~kn-07 extracts are extracted See Table 1;

[0087] b. Preparation: Add additives to the extracts kn-01~kn-07, and...

Embodiment 2

[0092] Embodiment 2 Preparation of the pesticide composition containing cumin and oregano extract

[0093] a. Extraction: Take the dried kuming fruit and crush it, pass it through a 80-mesh sieve, add solvent to it, stir well, heat up, turn on the agitator, set the speed at 90 rpm, reflux extraction, extraction is completed, filter and collect Filtrate: extract the filter residue again according to the above method, combine the filtrate obtained by the two extractions, concentrate the filtrate to the weight of the original medicinal material, and obtain the cumin extract d1-01~d1-03, wherein, the parameters are shown in Table 3;

[0094] 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 filtrate obtained by the two...

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Abstract

The invention relates to a pesticide composition containing cumin 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 cumin and common origanum extracts, and the preparation method and application thereof. According to the pesticide composition containing the cumin and common origanum extracts, active ingredients of the pesticide composition are extracted from 1 weight part of cumin and 0.2 to 4 weight parts of common origanum. The pesticide composition containing the cumin and common origanum extracts has an obvious effect of controlling gray mold and powdery mildew of crops, and is prepared from Chinese herbal medicines serving as raw materials, so the problem of pesticide residue is solved, the 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 cumin and oregano extracts, a preparation method and application thereof, and belongs to the field of pesticides. Background technique [0002] In recent years, in the field of crops, due to unscientific drug use, environmental pollution and ecological environment have been increasingly destroyed. With the improvement of people's living standards and the enhancement of health awareness, the research and development of biopesticides is gradually attracting the attention of pesticide research and development workers, and has become a hot spot for sustainable development in the field of crops. An effective way to improve drug efficacy. Among them, botanical pesticides have become one of the hot spots in biopesticide research. [0003] Kuming (Cuminum cyminum L.) belongs to Umbelliferae Cuminum genus, commonly known as cumin, a one to two year herbaceous plant. The leaves are 2-3 times pinnatel...

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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