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Botanical insecticide and preparation method and application thereof

A technology for plant-derived insecticides and plant raw materials, which is applied in the field of insecticide production, can solve the problems of poor control effect, lack of widespread promotion, long safety interval, etc., and achieves good insecticidal control effect and good compatibility. The effect of sex, does not pollute the environment

Active Publication Date: 2017-01-18
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] There are also some botanical insecticides on the market, but due to many reasons such as single composition, poor control effect, short duration of effect, and long safety interval, they have not been widely promoted in practical applications.

Method used

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  • Botanical insecticide and preparation method and application thereof

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Experimental program
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Effect test

Embodiment 1

[0035] In parts by weight, the botanical insecticide of the present embodiment consists of the following substances:

[0036] See 20 parts of blood seal throat milk, 15 parts of bamboo vinegar, 10 parts of pyrethrum ethanol extract, 18 parts of ethanol extract of Chinese tallow tree leaves.

[0037] The preparation method of botanical insecticide of the present invention is as follows:

[0038] First, after washing and drying pyrethrum and Chinese tallow tree leaves, they are respectively ground into powders with a particle size of 85 mesh;

[0039] Second, the raw material powder is mixed with ethanol with a volume fraction of 75% at a weight ratio of 1:3.5, placed in an ultrasonic water bath for 85 minutes at 70°C and 310W, filtered, and the filtrate is taken to obtain the ethanol extract of the raw material;

[0040] Thirdly, according to the preset ratio, the ethanol extracts of the raw materials are mixed together, and stirred evenly to obtain the mixed solution A;

[0...

Embodiment 2

[0044] In parts by weight, the botanical insecticide of the present embodiment consists of the following substances:

[0045] See 25 parts of blood seal throat milk, 10 parts of bamboo vinegar, 15 parts of ethanol extract of pyrethrum, 15 parts of ethanol extract of Chinese tallow tree leaf, 20 parts of ethanol extract of winter plum leaf, 10 parts of ethanol extract of Cnidium oleracea, ethanol extract of purslane 12 parts, 2 parts of ethanol extract of Houttuynia cordata.

[0046] The preparation method of botanical insecticide of the present invention is as follows:

[0047] First, wash and dry the winter plum leaves, pyrethrum, cnidium, purslane, houttuynia cordata and Chinese tallow tree leaves, and grind them into powders with a particle size of 100 mesh;

[0048] Second, the raw material powder is mixed with ethanol with a volume fraction of 65% at a weight ratio of 1:5, placed in an ultrasonic water bath for 90 minutes at 60°C and 350W, filtered, and the filtrate is t...

Embodiment 3

[0053] In parts by weight, the botanical insecticide of the present embodiment consists of the following substances:

[0054]See 18 parts of blood seal throat milk, 25 parts of bamboo vinegar, 10 parts of ethanol extract of pyrethrum, 20 parts of ethanol extract of Chinese tallow tree leaf, 15 parts of ethanol extract of winter plum leaf, 12 parts of ethanol extract of Cnidium oleracea, ethanol extract of purslane 8 parts, 8 parts of Houttuynia cordata ethanol extract.

[0055] The preparation method of botanical insecticide of the present invention is as follows:

[0056] First, wash and dry the winter plum leaves, pyrethrum, cnidium, purslane, houttuynia cordata and Chinese tallow tree leaves, and grind them into powders with a particle size of 85 mesh;

[0057] Second, the raw material powder is mixed with ethanol with a volume fraction of 75% at a weight ratio of 1:3.5, placed in an ultrasonic water bath for 85 minutes at 70°C and 310W, filtered, and the filtrate is taken...

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Abstract

The present invention discloses a botanical insecticide and a preparation method and application thereof, the botanical insecticide comprises the following plant raw material components by weight: 15-25 parts of Artiaris toxicariamilk, 10-30 parts of bamboo vinegar, 5-15 parts of pyrethrum ethanol extract and 15-25 parts of Chinese tallowtree leaf ethanol extract. The botanical insecticide takes plants as raw materials, the raw materials include most of raw materials of plant pesticides in the prior art, the botanical insecticide is non-injury to crops, non-residue, non-environmental-pollution, and long in duration, the botanical insecticide is finally realized through a reasonable proportion of the raw materials, the botanical insecticide has good compatibility, the components are complementary and synergistic-interaction, so that the insecticidal control effect of the natural plant extract obtained by combination of the components is better than that of any single combination.

Description

technical field [0001] The invention belongs to the technical field of pesticide production, and in particular relates to a botanical pesticide and its preparation method and application. Background technique [0002] The control of agricultural pests is an important part of high yield and income increase in agricultural production, especially the pollution-free control of underground pests has always been the focus of attention of the agricultural plant protection industry. longing. The types of underground pests mainly include: nematodes, grubs, cutworms, needleworms and some flies and mosquito larvae, namely various ground maggots. [0003] 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 production, which has caused great pressure on the ecological environment and caused some pests to develop resistance quickly. If the amount of pesticides is further increased, it will The amoun...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/44A01P7/04
CPCA01N65/00A01N65/44A01N2300/00Y02A50/30
Inventor 秦建春杨胜祥张雅梅潘洪玉孙金柱从杰
Owner JILIN UNIV
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