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Botanical insecticide

A plant-derived insecticide and solvent technology, applied in the direction of insecticides, plant growth regulators, acaricides, etc., can solve problems such as human and livestock, environmental hazards, and excessive pesticide residues, and achieve environmental friendliness, low cost, Great market prospect

Inactive Publication Date: 2014-12-24
广西天峨五福种业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] For a long time, in order to ensure the output and quality of agricultural products, a large number of chemical pesticides have been used in agricultural production, which has brought huge pressure on the ecological environment and caused some pests to develop resistance quickly. If the amount of pesticides is further increased, the The amount of pesticide residues in agricultural products seriously exceeds the standard, causing great harm to humans, animals and the environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The active ingredient of the botanical insecticide is composed of the following raw materials in parts by weight: 30 parts of Chaku, 10 parts of Neem (leaf part), 10 parts of Cnidium chinensis, 20 parts of Cnidaria and 20 parts of pepper.

[0029] The present invention also provides a preparation method of the botanical insecticide, comprising the following steps:

[0030] (1) Take the above-mentioned 5 kinds of raw materials in proportion, dry, pulverize, and mix uniformly;

[0031] (2) Add 5 times the weight of 95% ethanol to the mixture to soak for 1 hour, heat to 60°C for reflux extraction for 1 hour, filter, and collect the extract; add 2 times the weight of 95% ethanol to the filter residue, heat to 50°C for ultrasonic extraction for 2 hours , filter, collect the extract, and combine the extract obtained from the two extractions to obtain the initial ethanol extract of the botanical insecticide;

[0032] (3) Concentrate the initial extract obtained in step (2) at...

Embodiment 2

[0036] The active ingredient of the botanical insecticide is composed of the following raw materials in parts by weight: 30 parts of tea tree, 30 parts of neem (leaf part), 30 parts of cnidium, 40 parts of baebu and 40 parts of pepper.

[0037] The present invention also provides a preparation method of the botanical insecticide, comprising the following steps:

[0038] (1) Take the above-mentioned 5 kinds of raw materials in proportion, dry, pulverize, and mix uniformly;

[0039] (2) Add 10 times the weight of 95% ethanol to the mixture to soak for 2 hours, heat to 80°C for reflux extraction for 2 hours, filter, and collect the extract; add 4 times the weight of 95% ethanol to the filter residue, heat to 60°C for ultrasonic extraction for 3 hours , filter, collect the extract, and combine the extract obtained from the two extractions to obtain the initial ethanol extract of the botanical insecticide;

[0040] (3) Concentrate the initial extract obtained in step (2) at 65°C u...

Embodiment 3

[0044] The active ingredient of the botanical insecticide is composed of the following raw materials in parts by weight: 50 parts of Chaku, 20 parts of Neem (leaf part), 20 parts of Cnidium Fructus, 30 parts of Cnidaria and 30 parts of pepper.

[0045] The present invention also provides a preparation method of the botanical insecticide, comprising the following steps:

[0046] (1) Take the above-mentioned 5 kinds of raw materials in proportion, dry, pulverize, and mix uniformly;

[0047] (2) Add 8 times the weight of 95% ethanol to the mixture and soak for 1.5 hours, heat to 70°C for reflux extraction for 1.5 hours, filter, and collect the extract; add 3 times the weight of 95% ethanol to the filter residue, heat to 55°C and ultrasonically Extract for 2.5 hours, filter, collect the extract, and combine the extract obtained from the two extractions to obtain the initial ethanol extract of botanical pesticides;

[0048] (3) Concentrate the initial extract obtained in step (2) ...

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Abstract

The invention discloses a botanical insecticide and a preparation method thereof. The effective components of the botanical insecticide comprise the following raw materials in parts by weight: 30-70 parts of camellia seed cakes, 10-30 parts of melia azedarach, 10-30 parts of fructus cnidii, 20-40 parts of radix stemonae and 20-40 parts of chilies. The botanical insecticide disclosed by the invention has a significant effect on controlling varied pests such as aphides, red spiders, core-eating insects and fruit flies on a fruit tree. The botanical insecticide disclosed by the invention has the advantages that the control effect is good, pests cannot have the resistance to the drugs easily, the cost is low, the insecticide is environment-friendly, the preparation method is simple, and the market prospect is great; and the botanical insecticide deserves wide popularization and application in agricultural production.

Description

technical field [0001] The invention belongs to the technical field of pesticide processing and application, in particular to a botanical pesticide. Background technique [0002] For a long time, in order to ensure the output and quality of agricultural products, a large number of chemical pesticides have been used in agricultural production, which has brought huge pressure on the ecological environment and caused some pests to develop resistance quickly. If the amount of pesticides is further increased, the The amount of pesticide residues in agricultural products seriously exceeds the standard, causing great harm to humans, animals and the environment. Therefore, the development of biopesticides that are environmentally friendly and safe for humans is increasingly favored by various countries. [0003] Botanical pesticides are a class of pesticides made from plants or plant extracts, and belong to a category of biological pesticides. Botanical pesticides have the advanta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/46A01P7/04A01P7/02
CPCY02A50/30
Inventor 张宗斌
Owner 广西天峨五福种业有限公司
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