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Insecticide and preparation method thereof

A technology for pesticides and neem bark, which is applied in the field of pesticides, can solve the problems of chemical synthetic pesticides such as environmental pollution, irritation, ecological balance harm, etc., and achieves the effects of short production time, good effect, and improved extraction rate.

Inactive Publication Date: 2016-12-21
广西顺帆投资有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chemically synthesized pesticides have a good control effect on plant diseases and insect pests, but the environmental pollution caused by chemically synthesized pesticides and the harm to ecological balance; with the development of society, people pay more and more attention to environmental protection, Chemically synthesized insecticides can no longer meet the requirements of human beings for environmental protection; compared with plant-derived insecticides, which can meet the requirements of human beings for green environmental protection, plant-derived insecticides are extracted from natural plants, can be rapidly degraded, have no environmental problems, and have high Selective, safe for humans and animals, and has the advantages of no resistance, no phytotoxicity, fertilizer effect, stimulating effect on crop growth, and can also treat pests and diseases, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The insecticide comprises the following materials in parts by weight: 50 parts of neem bark, 30 parts of nuxychon, 15 parts of pepper leaves, 15 parts of coral beans, 10 parts of mimosa, 15 parts of mango skin, 5 parts of garlic, soap Corner 5 servings.

[0026] The preparation method of insecticide comprises the following steps:

[0027] 1. 50 parts of neem bark, 30 parts of nuxychnium, and 15 parts of coral beans are pulverized by a jet mill and passed through a 60-mesh sieve to obtain powder A. Powder A is added to ethanol and placed in ultrasonic waves for extraction for 0.5 hours, and filtered to obtain extract A;

[0028] II Add 15 parts of pepper leaves, 10 parts of mimosa, 15 parts of mango peel, and 5 parts of garlic into water for ultrasonic crushing, then add cellulase and let stand for 0.5 hours, then add glacial acetic acid to extract for 1 hour, filter, and depressurize Extraction solution B is obtained after removing glacial acetic acid;

[0029] III Mi...

Embodiment 2

[0032] The insecticide comprises the following materials in parts by weight: 100 parts of neem bark, 50 parts of nuxychon, 30 parts of pepper leaves, 20 parts of coral beans, 20 parts of mimosa, 20 parts of mango skin, 10 parts of garlic, soap Corner 10 parts.

[0033] The preparation method of described insecticide comprises the following steps:

[0034] 100 parts of neem bark, 50 parts of nuxychnium, and 20 parts of coral beans are pulverized by a jet mill and passed through a 60-mesh sieve to obtain powder A, and the powder A is added to a mass fraction of 80% ethanol aqueous solution in a weight ratio of 1:5 and placed in Ultrasonic extraction for 0.5 hours, the temperature of ultrasonic extraction is 50°C, the power of ultrasonic is 50 Hz, and the extract A is obtained by filtration;

[0035] II Add 30 parts of pepper leaves, 20 parts of mimosa, 20 parts of mango peel, 10 parts of garlic and 80 parts of water for ultrasonic crushing, then add 0.8 parts of cellulase, let ...

Embodiment 3

[0039] The insecticide comprises the following materials in parts by weight: 80 parts of neem bark, 40 parts of nuxychon, 25 parts of pepper leaves, 15 parts of coral beans, 15 parts of mimosa, 16 parts of mango skin, 7 parts of garlic, soap Corner 8 servings.

[0040] The preparation method of described insecticide comprises the following steps:

[0041] 1. 80 parts of neem bark, 40 parts of nuxychnium, and 15 parts of coral beans are pulverized by a jet mill and passed through a 60-mesh sieve to obtain powder A. Powder A is added to a mass fraction of 90% ethanol aqueous solution at a weight ratio of 1:8 and placed in an ultrasonic wave. extracting for 0.5 hours, the temperature of ultrasonic extraction is 60°C, the power of ultrasonic is 100 Hz, and the extract A is obtained by filtration;

[0042] II Add 25 parts of pepper leaves, 15 parts of mimosa, 16 parts of mango peel, 7 parts of garlic and 126 parts of water for ultrasonic crushing, then add 3.15 parts of cellulase,...

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Abstract

The invention discloses insecticide. The insecticide is prepared from the following materials in parts by weight: 50 to 100 parts of cortex meliae, 30 to 50 parts of semen strychni, 15 to 30 parts of chili leaf, 15 to 20 parts of solanum pseudo-capsicum, 10 to 20 parts of mimosa pudica, 15 to 20 parts of mango peel, 5 to 10 parts of garlic and 5 to 10 parts of fructus gleditsiae. The insecticide is prepared through extracting effective components of the chili leaves, the solanum pseudo-capsicum, the mimosa pudica and the mango peel; insects can be killed within a short time and an insecticidal range is wide; pure plants are prepared into a product which is easily absorbed and transformed by the target plants; particularly, a crop product has no chemical residue and has small influences on the environment, so that the insecticide meets green and environment-friendly requirements; meanwhile, the materials used in the invention are easy to obtain and low in price, so that the cost of the insecticide is reduced.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to an insecticide and a preparation method thereof. Background technique [0002] Insecticides are mainly used to control agricultural pests and urban sanitation pests. They have a long history of use, a large amount of use, and many varieties. Now with the rapid development of agriculture, pesticides have increased agricultural output, but almost all pesticides will seriously change the biological ecosystem, and most of them are harmful to humans, and others will be concentrated in the food chain. Insecticides can be divided into botanical insecticides and chemically synthesized insecticides according to their sources. Chemically synthesized pesticides have a good control effect on plant diseases and insect pests, but the environmental pollution caused by chemically synthesized pesticides and the harm to ecological balance; with the development of society, people pay more and m...

Claims

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Application Information

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IPC IPC(8): A01N65/42A01N65/38A01P7/04
CPCA01N65/00A01N65/385A01N65/42A01N2300/00Y02A50/30
Inventor 江凯
Owner 广西顺帆投资有限公司
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