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Plant-derived pesticide and production method thereof

A technology of botanical pesticides and production methods, applied in the directions of botanical equipment and methods, plant growth regulators, biocides, etc., can solve problems such as increasing control difficulty, residues in vegetables and fruits, endangering people's health, etc., and achieve control effects. significant effect

Inactive Publication Date: 2015-09-30
胡凡营
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in the prevention and control of diseases such as fruits and vegetables, chemical agents are mostly used for prevention and control. The use of chemical pesticides undoubtedly makes various harmful bacteria resistant to drugs, which increases the difficulty of prevention and control. At the same time, it also causes harm to the plants themselves, and, There are residues in vegetables and fruits, endangering people's health, polluting the environment, and destroying ecological balance

Method used

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  • Plant-derived pesticide and production method thereof
  • Plant-derived pesticide and production method thereof
  • Plant-derived pesticide and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0024] Embodiment 1: Weigh 140 grams of licorice, 80 grams of Phellodendron bark, 80 grams of neem, 80 grams of cockscomb, 80 grams of cat's claw, 60 grams of Albizia julibrissin, 60 grams of Mimenghua, 40 grams of Shijianchuan, and 40 grams of Lubazi. gram, 40 grams of turmeric bark, powdered and mixed evenly, passed through a 60-mesh sieve first, and then passed through a 100-mesh sieve. After sieving, the Chinese herbal medicine powder is mixed with 80mL80% ethanol according to the ratio of 20g, and put into the container after the ratio is good. Seal it in the middle, put it in a shaking incubator and vibrate at 30°C for 24 hours at 150 r / min, then filter it through three layers of gauze, centrifuge at 2500 r / min for 10 minutes, discard the precipitate, and at 45°C, use Concentrate the supernatant under reduced pressure with a rotary evaporator to obtain a viscous ethanol concentrate with a concentration of 1g / mL to obtain the botanical pesticide, which is stored in the ref...

Embodiment approach 2

[0025] Embodiment 2: Weigh 150 grams of licorice, 90 grams of Phellodendron cortex, 90 grams of neem, 90 grams of cockscomb, 90 grams of cat's claw, 70 grams of Albizia julibrissin, 70 grams of Mimenghua, 50 grams of shijianchuan, and 50 grams of Lubazi. gram, 50 grams of soil jingpi. The preparation method is the same as the first embodiment.

Embodiment approach 3

[0026] Embodiment 3: Weigh 130 grams of licorice, 70 grams of Phellodendron bark, 70 grams of neem, 70 grams of cockscomb, 70 grams of cat's claw, 50 grams of Albizia julibrissin, 50 grams of Mimenghua, 30 grams of Shijianchuan, and 30 grams of Lubazi. gram, 30 grams of soil jingpi. The preparation method is the same as the first embodiment.

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Abstract

The invention discloses plant-derived pesticide and a production method thereof. The plant-derived pesticide is prepared from Chinese herbal medicines such as licorice root, phellodendron bark, melia azedarach, cockscomb, radix ranunculi ternati, silktree flower, butterflybush flower, salvia chinensis, fenugreek seed and golden larch bark. A field test proves that the plant-derived pesticide has tobacco black shank prevention and treatment efficiency of 80% or more and has obvious effects better than that of metalaxyl with a concentration of 25%. The plant-derived pesticide has substantial prevention and treatment effects on a plurality of fungous diseases such as downy mildew, sclerotinia rot, powdery mildew, botrytis, anthracnose, epidemic disease, black shank and sheath blight of crops such as fruits, vegetables and paddy rice.

Description

technical field [0001] The invention relates to a pesticide and a production method, in particular to a botanical pesticide and a production method. Background technique [0002] At present, in the prevention and control of diseases such as fruits and vegetables, chemical agents are mostly used for prevention and control. The use of chemical pesticides undoubtedly makes various harmful bacteria resistant to drugs, which increases the difficulty of prevention and control. At the same time, it also causes harm to the plants themselves, and, There are residues in vegetables and fruits, endangering people's health, polluting the environment, and destroying ecological balance. As an important part of biopesticides, botanical pesticides have the advantages of high efficiency, low or no toxicity, low residue, and high selectivity, and have received more and more attention. With the development of botanical pesticides, Chinese herbal pesticides have gradually become the focus of re...

Claims

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Application Information

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IPC IPC(8): A01N65/36A01P3/00
Inventor 胡凡营
Owner 胡凡营
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