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Plant source pesticide, preparation method and application thereof

A botanical insecticide, pyrethrum technology, applied in the directions of botanical equipment and methods, insecticides, plant growth regulators, etc. Simple production method

Inactive Publication Date: 2016-01-20
广西农垦立新农场有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a botanical insecticide, a preparation method and its application to solve the problems of pest resistance and environmental pollution caused by the use of chemical pesticides to prevent and control pests. Public nuisance, green and environmental protection, will not bring environmental pollution; the botanical insecticide of the present invention can effectively prevent and control plant pests such as inchworms, red spiders, long white scales, leafminers, etc., and the one-time killing rate all reaches more than 90.43%, and there is no drug resistance

Method used

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  • Plant source pesticide, preparation method and application thereof

Examples

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Effect test

Embodiment 1

[0034] A plant-derived insecticide, in parts by weight, comprising the following raw materials: 20 parts of tobacco, 20 parts of Tripterygium wilfordii, 20 parts of pepper, 30 parts of aconitum, 30 parts of pyrethrum, 30 parts of neem, 20 parts of tea tree leaves, Patrinia 20 parts, bitter herbs 20 parts, water 800 parts.

[0035] The preparation method of the botanical insecticide comprises the following steps:

[0036] S1: Mix and pulverize tobacco, Tripterygium wilfordii, pepper, aconitum, pyrethrum, neem, tea leaves, Patrinia, and bitter herbs to obtain mixture A, add mixture A to water, and extract the liquid medicine under ultrasonic-assisted extraction , the conditions are: the ultrasonic power is 140W, the ethanol concentration is 55%, the extraction temperature is 55°C, and the extraction time is 120min;

[0037] S2: Filter and concentrate the medicinal solution prepared in step S1 to a water content of 25% to obtain a mixture B. The obtained mixture B is dried at 90...

Embodiment 2

[0039] A botanical insecticide, in parts by weight, comprising the following raw materials: 50 parts of tobacco, 50 parts of Tripterygium wilfordii, 50 parts of pepper, 40 parts of aconitum, 40 parts of pyrethrum, 40 parts of neem, 30 parts of tea tree leaves, Patrinia 30 parts, bitter herbs 30 parts, water 3500 parts.

[0040] The preparation method of the botanical insecticide comprises the following steps:

[0041] S1: Mix and pulverize tobacco, Tripterygium wilfordii, pepper, aconitum, pyrethrum, neem, tea leaves, Patrinia, and bitter herbs to obtain mixture A, add mixture A to water, and extract the liquid medicine under ultrasonic-assisted extraction , the conditions are: the ultrasonic power is 180W, the ethanol concentration is 75%, the extraction temperature is 65°C, and the extraction time is 90min;

[0042] S2: Filter and concentrate the medicinal solution prepared in step S1 to a water content of 18% to obtain a mixture B. The obtained mixture B is dried at 100° C...

Embodiment 3

[0044] A botanical insecticide, in parts by weight, comprising the following raw materials: 35 parts of tobacco, 35 parts of Tripterygium wilfordii, 35 parts of pepper, 35 parts of aconitum, 35 parts of pyrethrum, 35 parts of neem, 25 parts of tea tree leaves, Patrinia 25 parts, bitter herbs 25 parts, water 2000 parts.

[0045] The preparation method of the botanical insecticide comprises the following steps:

[0046] S1: Mix and pulverize tobacco, Tripterygium wilfordii, pepper, aconitum, pyrethrum, neem, tea leaves, Patrinia, and bitter herbs to obtain mixture A, add mixture A to water, and extract the liquid medicine under ultrasonic-assisted extraction , the conditions are: the ultrasonic power is 160W, the ethanol concentration is 65%, the extraction temperature is 60°C, and the extraction time is 105min;

[0047]S2: Filter and concentrate the medicinal solution prepared in step S1 to a water content of 20% to obtain a mixture B. The obtained mixture B is dried at 95° C....

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Abstract

The invention discloses a plant source pesticide, a preparation method and application thereof and belongs to the technical field of pesticide preparation. The plant source pesticide is prepared from, by weight, 20-50 parts of tobaccos, 20-50 parts of tripterygium wilfordii, 20-50 parts of hot peppers, 30-40 parts of aconitum, 30-40 parts of pyrethrums, 30-40 parts of neem, 20-30 parts of tea tree leaves, 20-30 parts of dahurian patrinia herb, 20-30 parts of bitter herb and 800-3500 parts of water. The plant source pesticide is prepared through medicine liquid extraction, concentration, drying, smashing, sieving, sterilization and other steps. The plant source pesticide contains non-toxic components, is free of residues, pollution-free and green, is environmentally friendly and does not bring environmental pollution. The plant source pesticide can effectively prevent and control inchworms, red spiders, pearlong white scale insects, leaf miners and other plant pests, the one-time killing rate is above 90.43%, and no pesticide resistance is produced.

Description

【Technical field】 [0001] The invention belongs to the technical field of insecticide preparation, and in particular relates to a botanical insecticide, a preparation method and an application thereof. 【Background technique】 [0002] At present, chemical pesticides are mostly used to prevent and control agricultural pests. With the improvement of people's living standards, the requirements for the quality of agricultural products are higher, not only to eat well, but also to eat healthy. The problem of pesticide residues caused by highly toxic chemical pesticides has increasingly become a hot spot of social concern. Highly toxic pesticides are the core and key to affecting the quality and safety of agricultural products. They not only affect the quality of agricultural products, but also directly endanger the health of the people, and also affect the increase of farmers' income. Due to the high toxicity of highly toxic pesticides, incidents of human and animal poisoning have...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/38A01P7/04
CPCY02A50/30
Inventor 文灵清唐仙寿黄昌治何世忠王波
Owner 广西农垦立新农场有限公司
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