Prunella-vulgaris-containing botanical insecticide and preparation method thereof

A plant-derived insecticide, a technology for Prunella vulgaris, which is applied in the field of the plant-derived insecticide and its preparation, can solve the problems of limited insect killing power, narrow insecticidal spectrum, etc., and achieves no drug resistance, simple production method, Easy-to-use effects

Inactive Publication Date: 2018-04-06
昭平县科学技术实验场
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, a single pyrethrin or pyrethrin has limited lethality to insects, and there is still the problem of a narrow insecticidal spectrum.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Take 1kg of Prunella vulgaris, 1kg of rapeseed, 2kg of pyrethrum, 0.5kg of wormwood, 0.5kg of Polygonum punctatus, 1kg of Indian tree seeds, and 0.5kg of bean root, and wash them with water, and grind the cleaned above-mentioned raw materials with a grinder , to obtain powder, add 32.5kg of water to the ground powder, stir until paste, then heat and boil the paste mixture for 1h, then filter, collect the filtrate, add 0.04kg potassium sulfate, 0.08kg potassium sulfate to the filtrate Potassium nitrate, 0.08kg potassium carbonate, and finally add 1kg citric acid and 0.5kg peppermint oil and mix evenly to obtain a botanical insecticide containing Prunella vulgaris, which is diluted 100 times and sprayed on the stems and leaves of fruit trees to control leaf tortrix , the control rate reached 90%.

Embodiment 2

[0047] Take 1.5kg of Prunella vulgaris, 1.5kg of rapeseed, 2.5kg of pyrethrum, 0.8kg of wormwood, 0.8kg of Polygonum punctatus, 1.5kg of Indian tree seeds, and 0.8kg of bean root. Grinding machine to obtain powder, add 80kg of water to the ground powder, stir until paste, then heat and boil the paste mixture for 2h, then filter, collect the filtrate, add 0.1kg potassium sulfate to the filtrate , 0.05kg potassium nitrate, 0.1kg potassium carbonate, and finally add 1.2kg citric acid and 0.4kg peppermint oil and mix evenly to obtain a botanical insecticide containing Prunella vulgaris, which is diluted 150 times and sprayed on the stems and leaves of fruit trees. It is used to control leaf tortrix, and the control rate reaches 84%.

Embodiment 3

[0049] Take 2kg of Prunella vulgaris, 2kg of rapeseed, 3kg of pyrethrum, 1kg of wormwood, 1kg of Polygonum punctatus, 2kg of Indian tree seeds, and 1kg of bean root, and wash them with water, and grind the washed above-mentioned raw materials with a grinder to obtain powder Material, add 113kg of water to the ground powder, stir until paste, then heat and boil the paste mixture for 3h, then filter, collect the filtrate and add 0.12kg potassium sulfate, 0.12kg potassium nitrate, 0.06kg potassium carbonate , add 1.5kg citric acid and 0.2kg peppermint oil to the filtrate and mix evenly to obtain a botanical insecticide containing Prunella vulgaris, which is diluted 300 times and sprayed on the stems and leaves of fruit trees to prevent and control leaf tortrix, and the control rate reaches 80%. %.

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PUM

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Abstract

A prunella-vulgaris-containing botanical insecticide comprises the following components: prunella vulgaris, Pilea cavaleriei, pyrethrum, artemisia vulgaris, red-knees herb, azadirachta indica seed, radix sophorae tonkinensis, citric acid, peppermint oil and sylvite. The invention further discloses a preparation method of the prunella-vulgaris-containing botanical insecticide. The method comprisesthe following steps: the dry plant materials are smashed and stirred with water into paste, the paste is boiled and filtered, finally, sylvite, citric acid and the peppermint oil are added and uniformly mixed, and the prunella-vulgaris-containing botanical insecticide is obtained. During use, the prunella-vulgaris-containing botanical insecticide is diluted 100-200 times and sprayed to stalks, leaves and root periphery of crops. The materials of the insecticide are non-toxic and pollution-free, and the preparation process is simple.

Description

technical field [0001] The invention relates to a botanical insecticide and a preparation method thereof, in particular to a botanical insecticide containing Prunella vulgaris and a preparation method thereof. Background technique [0002] Crop cultivation is often threatened by insect pests, especially citrus, lychee, longan, and mango in southern fruit trees, which are often harmed by leaf tortrix, spider mites, aphids, and lychee stink bugs, which reduce the yield of crops. At present, farmers mostly use pesticides for convenience and quickness to increase the yield of crops. However, when pesticides with residual toxins are sprayed, the pesticides with residual toxins will be attached to the surface of crops, which will cause harm to our body after eating. [0003] Biological pesticides do not pollute the environment, do not produce public nuisance, and have broad development prospects, and botanical pesticides are an important part of them. Botanical pesticides use cer...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/30A01N37/36A01P7/02A01P7/04
CPCA01N37/36A01N65/00A01N65/12A01N65/20A01N65/22A01N65/26A01N65/30Y02A50/30
Inventor 朱德佳
Owner 昭平县科学技术实验场
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