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Botanical plant protection agent and preparation method thereof

A plant protection agent and a plant-sourced technology, applied in the field of pesticides, insecticides and fungicides, can solve the problems of pH sensitivity, easy oxidation, non-water solubility, etc., and achieve the effects of low cost, reduced toxicity, and long action time

Inactive Publication Date: 2011-12-21
NANNING GUANHUA AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the natural azadirachtin as a natural active substance has the disadvantages of easy photolysis and hydrolysis, easy oxidation, sensitivity to pH value and water insolubility
These disadvantages negatively affect the processing and use of natural azadirachtin products

Method used

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  • Botanical plant protection agent and preparation method thereof
  • Botanical plant protection agent and preparation method thereof
  • Botanical plant protection agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] (1) Raw material composition and parts by weight:

[0033] Litsea cubeba oil 1.5 parts, azadirachtin 7 parts, silicate sodium silicate 3 parts and potassium silicate 2 sodium silicate 3 parts, surfactant calcium dodecylbenzene sulfonate 1 part, tackifier 4 parts of methylcellulose, 1 part of chitosan and 700 parts of water.

[0034] (2) Preparation method:

[0035] First add half of the water into the stainless steel kettle or enamel kettle, start stirring, then add the tackifier, heat, control the temperature at 80°C to dissolve, and add the silicate sodium silicate dissolved in the remaining 1 / 3 of the water and mix well Get the silicate viscosifier mixture and set it aside; add litsea cubeba oil and azadirachtin into a stainless steel kettle, start stirring, add surfactant and remaining water at room temperature to emulsify, and finally add silicate sodium silicate to increase viscosity agent mixed solution, stirred and mixed evenly to obtain the botanical plant pr...

Embodiment 2

[0041] (1) Raw material composition and parts by weight:

[0042] Litsea cubeba oil 2 parts, azadirachtin 5 parts, silicate clay and sodium silicate 2 parts each, surfactant sodium dodecyl benzoate 0.8 parts, tackifier polyvinyl alcohol and carboxyethyl cellulose each 4 parts and 600 parts of water.

[0043] (2) Preparation method:

[0044] First add half of the water into the enamel kettle, start stirring, then add the tackifier, heat, control the temperature at 60°C to dissolve, and add the silicate clay and sodium silicate dissolved in the remaining 1 / 3 of the water and mix evenly to obtain Silicate viscosifier mixture, for later use; add litsea cubeba oil and azadirachtin into a stainless steel kettle or enamel kettle, start stirring, add surfactant and remaining water at room temperature for emulsification, and finally add silicate viscosifier Stir and mix the mixed liquid evenly to obtain the botanical plant protection agent product of the present invention.

[0045] ...

Embodiment 3

[0050] (1) Raw material composition and parts by weight:

[0051] Litsea cubeba oil 3 parts, azadirachtin 3.5 parts, sodium silicate 1, cement 4 parts, surfactant sodium dodecyl benzoate 0.6 parts, tackifier polyvinyl alcohol 5 parts and water 500 parts.

[0052] (2) Preparation method:

[0053] First add half of the water into the stainless steel kettle, start stirring, then add the tackifier, heat, control the temperature at 50°C to dissolve, and add the sodium silicate and cement dissolved in the remaining 1 / 3 of the water and mix evenly to obtain the silicate Viscosifier mixture, set aside; add litsea cubeba oil and azadirachtin into a stainless steel kettle, start stirring, add surfactant and remaining water to emulsify after heating, finally add silicate viscosifier mixture, stir and mix The product of the botanical plant protection agent of the present invention is obtained uniformly.

[0054] (3) Application test:

[0055] In July 2009, the product of this example w...

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Abstract

The invention discloses a botanical plant protection agent, whose raw material components and parts by weight include: 1-3 parts of litsea cubeba oil, 1-8 parts of azadirachtin, 3-5 parts of silicate, 0.5 parts of surfactant -1 part, 5-10 parts of tackifier and 500-700 parts of water. The preparation method comprises the steps of dissolving the tackifier raw material with water to form a tackifier solution, then emulsifying the litsea cubeba oil and azadirachtin with water, adding the tackifier solution solution and silicate, fully stirring and mixing uniformly to obtain the product . The botanical plant protection agent of the present invention maintains the characteristics of low toxicity, high efficiency, easy degradation, and no residue of botanical pesticides, is not easy to produce drug resistance to pests, does not pollute the environment, and has a good control effect on crops. It is a broad-spectrum new pesticide preparation for pest, sterilization and anti-virus, which can be used alone or / and mixed with common insecticides and pesticides.

Description

technical field [0001] The invention belongs to the technical field of pesticide insecticide and fungicide, and relates to a botanical plant protection agent composed of litsea cubeba oil and azadirachtin and a preparation method thereof. Background technique [0002] Litsea cubeba oil, also known as Litsea cubeba oil, is an essential oil extracted from Litsea cubeba fruit by steam distillation. Litsea cubeba is a kind of Lauraceae plant, which is mainly produced in East Asia. It is planted in large quantities in the provinces south of the Yangtze River in my country. The main component: carbonyl compound (calculated as citral) ≥ 66%. The main component is citral, the content is about 60%-80%. Other ingredients include methylheptenone, citronellal, citronellol, pinene, limonene, 1,8-cineole, camphene, linalool, 2-methyl-2-hexen-6-one , camphor, safrole, nerol, geraniol, terpineol, geranyl acetate, eugenol and p-cymene. Containing more than 26 kinds of chemically active su...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/24A01N43/90A01P7/04A01P1/00A01P3/00A01P21/00
Inventor 梁树华覃桂聪卢洁邹超贤黎冠华黎杰明周红
Owner NANNING GUANHUA AGRI TECH
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