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Plant-derived insecticide for organic vegetables and preparation method thereof

A technology of botanical pesticides and organic vegetables, applied in the fields of botanical equipment and methods, pesticides, plant growth regulators, etc. High extraction efficiency, good insecticidal and bactericidal effect, and simple process

Inactive Publication Date: 2018-11-02
来安县杭姑娘生态农业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Insecticides mainly include natural insecticides and organic synthetic insecticides. Among them, natural insecticides and inorganic compounds have a single effect, large dosage, and short duration, while organochlorine, organophosphorus, and carbamates, etc. Synthetic insecticides have high insecticidal efficiency, but they have high residual levels and high acute toxicity

Method used

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  • Plant-derived insecticide for organic vegetables and preparation method thereof

Examples

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Comparison scheme
Effect test

Embodiment 1

[0020] A botanical insecticide for organic vegetables, its raw materials include by weight: 30 parts of betel nut skin, 20 parts of cassava root, 10 parts of radish leaves, 8 parts of eggplant skin, 8 parts of tallow leaves, 6 parts of neem skin, Ailanthus sinensis 6 parts of leaves, 4 parts of croton leaves, 1 part of fatty acid glyceride, 0.1 part of ascorbic acid.

[0021] The preparation method of the above-mentioned botanical insecticide for organic vegetables comprises the following steps:

[0022] S1. Wash, dry and pulverize fresh betel nut skins, cassava roots, radish leaves, eggplant skins, tallow leaves, neem skins, Ailanthus leaves, and croton leaves, and mix them uniformly to prepare a mixture;

[0023] S2. Add the mixed material into a 50% acetone solution with a mass fraction of 3 times the weight, heat to 50° C. and stir for 2 hours, then filter and take the filtrate to obtain the prefabricated material A;

[0024] S3. Add the filter residue in S2 to a 75% etha...

Embodiment 2

[0027] A botanical insecticide for organic vegetables, its raw materials include by weight: 40 parts of betel nut skin, 30 parts of cassava root, 20 parts of radish leaves, 16 parts of eggplant skin, 16 parts of tallow tree leaves, 12 parts of neem skin, Ailanthus sinensis 12 parts of leaves, 10 parts of croton leaves, 3 parts of fatty acid glycerides, 0.5 parts of ascorbic acid.

[0028] The preparation method of the above-mentioned botanical insecticide for organic vegetables comprises the following steps:

[0029] S1. Wash, dry and pulverize fresh betel nut skins, cassava roots, radish leaves, eggplant skins, tallow leaves, neem skins, Ailanthus leaves, and croton leaves, and mix them uniformly to prepare a mixture;

[0030] S2. Add the mixed material into a 60% acetone solution with a mass fraction of 5 times the weight, heat to 60° C. and stir for 4 hours, then filter the filtrate to obtain the prefabricated material A;

[0031] S3. Add the filter residue in S2 to 80% et...

Embodiment 3

[0034] A botanical insecticide for organic vegetables, its raw materials include by weight: 35 parts of betel nut skin, 25 parts of cassava root, 15 parts of radish leaves, 12 parts of eggplant skin, 12 parts of tallow tree leaves, 9 parts of neem skin, Ailanthus sinensis 9 parts of leaves, 7 parts of croton leaves, 2 parts of fatty acid glycerides, 0.3 parts of ascorbic acid.

[0035] The preparation method of the above-mentioned botanical insecticide for organic vegetables comprises the following steps:

[0036] S1. Wash, dry and pulverize fresh betel nut skins, cassava roots, radish leaves, eggplant skins, tallow leaves, neem skins, Ailanthus leaves, and croton leaves, and mix them uniformly to prepare a mixture;

[0037] S2. Add the mixed material into a 55% acetone solution with a mass fraction of 4 times the weight, heat to 55° C. and stir for 3 hours, then filter the filtrate to obtain the prefabricated material A;

[0038] S3. Add the filter residue in S2 to a 77% eth...

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Abstract

The invention discloses plant-derived insecticide for organic vegetables. The plant-derived insecticide comprises the following raw materials: pericarpium arecae, cassava roots, metaplexis japonica makino leaves, eggplant peel, Chinese tallow leaves, cortex meliae, ailanthus altissima leaves, croton leaves, fatty acid glyceride and ascorbic acid. The invention further provides a preparation methodof the plant-derived insecticide for the organic vegetables. The preparation method comprises the steps as follows: washing, drying and pulverizing the fresh pericarpium arecae, the cassava roots, the metaplexis japonica makino leaves, the eggplant peel, the Chinese tallow leaves, the cortex meliae, the ailanthus altissima leaves and the croton leaves respectively, and mixing to prepare a mixture; extracting the mixture separately by an acetone solution and an ethanol solution, mixing the extractive uniformly, adding the fatty acid glyceride and the ascorbic acid, and performing concentrationto prepare the plant-derived insecticide for the organic vegetables. The insecticide provided by the invention is rich in a variety of alkaloids and organic substances, good in insecticidal and bactericidal effects, simple in preparation process and wide in application prospect.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a botanical pesticide for organic vegetables and a preparation method thereof. Background technique [0002] Insecticide refers to a kind of agent mainly used to control agricultural pests and urban sanitation pests, such as controlling beetles, flies, grubs, nasal worms, collembola and nearly ten thousand other pests. Insecticides mainly include natural insecticides and organic synthetic insecticides. Among them, natural insecticides and inorganic compounds have a single effect, large dosage, and short duration, while organochlorine, organophosphorus, and carbamates, etc. Synthetic insecticides have high insecticidal efficiency, but they have high residual levels and high acute toxicity. It is forbidden to use any chemically synthesized pesticides, fertilizers, growth regulators and other chemical substances in the production process of organic vegetables. Therefore, how to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/40A01P7/04A01P17/00
CPCA01N65/00A01N65/40A01N65/38A01N65/26A01N65/18A01N65/08
Inventor 颜恒海
Owner 来安县杭姑娘生态农业有限公司
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