Water dispersible granule for preventing and controlling cotton bollworms, and preparation method thereof

A technology for dispersing granules and cotton bollworm, which is applied in the fields of botanical equipment and methods, pesticides, biocides, etc., and can solve the problems of water-dispersible granules that destroy ecological balance, poor wettability, dispersion and suspension stability, and organic pesticide pollution. environment and other issues, to achieve the effect of being beneficial to the natural environment and ecological balance, good compatibility, and no pollution to the environment

Inactive Publication Date: 2017-03-15
ZHENGZHOU SIBIAN TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In view of this, the purpose of the present invention is to address the deficiencies in the prior art, to provide a water-dispersible granule for preventing and treating cotton bollworm and its preparation method, which solves the

Method used

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  • Water dispersible granule for preventing and controlling cotton bollworms, and preparation method thereof
  • Water dispersible granule for preventing and controlling cotton bollworms, and preparation method thereof

Examples

Experimental program
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Example Embodiment

[0035] Example 1

[0036] A water-dispersible granule for preventing and controlling cotton bollworm, comprising the following raw materials in parts by weight: 8 parts of Daphne chamaejasme extract, 20 parts of Tripterygium twig extract, 3 parts of Radix isatidis extract, 7 parts of Shandou root extract, wetting agent 1 part, 14 parts of dispersant, 3 parts of disintegrant, 2 parts of binder, 0.5 part of dispersing aid and 50 parts of carrier, wherein the wetting agent is naphthalene sulfonate; the dispersant is sodium lignosulfonate; The decomposing agent is low-substituted hydroxypropyl cellulose; the binder is polyvinylpyrrolidone; the carrier is bentonite with a particle size of 800 mesh; and the dispersion aid is microcrystalline cellulose.

[0037] The preparation method of the chamaejasma chamaejasma extract is to clean chamaejasma chamaejasme, crush it to 60 mesh, add 15 times the weight of an ethanol solution with a volume fraction of 80%, and extract it in a Soxhlet...

Example Embodiment

[0044] Example 2

[0045] A water-dispersible granule for preventing and treating cotton bollworm, comprising the following raw materials in parts by weight: 18 parts of Daphne chamaejasme extract, 10 parts of Tripterygium twig extract, 7 parts of Radix isatidis extract, 3 parts of Shandou root extract, wetting agent 3 parts, 6 parts of dispersant, 5 parts of disintegrating agent, 1 part of binder, 1.5 parts of dispersing aid and 70 parts of carrier, wherein the wetting agent is alkyl sulfonate; the dispersing agent is α-sulfo fatty acid methyl ester; the disintegrant is low-substituted hydroxypropyl cellulose; the binder is polyvinyl alcohol; the carrier is bentonite with a particle size of 1000 mesh; the dispersion aid is microcrystalline cellulose.

[0046] The preparation method of the chamaejasma chamaejasme extract is to clean chamaejasba, crush it to 80 mesh, add 9 times the weight of ethanol solution with a volume fraction of 90%, and extract it in a Soxhlet extractor ...

Example Embodiment

[0053] Example 3

[0054] A water-dispersible granule for preventing and treating cotton bollworm, comprising the following raw materials in parts by weight: 10 parts of Daphne chamaejasme extract, 20 parts of Tripterygium twig extract, 4 parts of Radix isatidis extract, 7 parts of Shandou root extract, wetting agent 3 parts, 8 parts of dispersant, 5 parts of disintegrating agent, 2 parts of binder, 0.5 parts of dispersing aid and 65 parts of carrier, wherein the wetting agent is maleic anhydride oligomer; the dispersing agent is sodium lignosulfonate ; The disintegrant is low-substituted hydroxypropyl cellulose; the binder is soluble starch; the carrier is bentonite with a particle size of 1000 mesh; the dispersion aid is microcrystalline cellulose.

[0055] The preparation method of the chamaejasma chamaejasma extract is to clean chamaejasma chamaejasme, crush it to 70 mesh, add 11 times the weight of an ethanol solution with a volume fraction of 85%, and extract it in a Sox...

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Abstract

The invention discloses a water dispersible granule for preventing and controlling cotton bollworms. The water dispersible granule for preventing and controlling the cotton bollworms comprises the following raw materials in parts by weight: 8 to 18 parts of stellera chamaejasme extracts, 10 to 20 parts of tripterygium wilfordii extracts, 3 to 7 parts of isatis root extracts, 3 to 7 parts of subprostrate sophora extracts, 1 to 3 parts of a wetting agent, 6 to 14 parts of a dispersing agent, 3 to 5 parts of a disintegrating agent, 1 to 2 parts of a binder, 0.5 to 1.5 parts of a dispersing auxiliary agent and 50 to 70 parts of a carrier. The water dispersible granule provided by the invention takes the traditional Chinese medicine extracts with insecticidal and antibacterial effects as effective components and avoids environmental pollution after being applied to the field; meanwhile, the prepared products are uniform in granularity and smooth, avoid mutual bonding when being stored under the conditions of high temperature and high pressure, and have high effective component content and high physical and chemical stability.

Description

technical field [0001] The invention relates to a pesticide and a preparation method thereof, in particular to a water-dispersible granule for controlling cotton bollworm and a preparation method thereof. Background technique [0002] At present, chemical pesticides have caused extremely serious harm to humans and other organisms, posed a huge threat to biodiversity, and caused incalculable and irreversible negative impacts on humans and nature. Botanical pesticides refer to the active substances that are directly used or extracted from the roots, stems, leaves, flowers, fruits, seeds, etc. of plants, or their secondary metabolites, which have insecticidal or bactericidal effects. The main modes of action of botanical insecticides on insects are as follows: stomach poisoning, contact killing, repelling and antifeedant effects, nerve anesthesia, etc. A formulation of water-dispersible granule pesticide is a granulated preparation developed on the basis of pesticide wettable ...

Claims

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Application Information

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IPC IPC(8): A01N65/20A01N25/14A01P7/04
CPCA01N65/00A01N25/14A01N65/20A01N2300/00
Inventor 丁艺涵马新攀马成耀郭便荣
Owner ZHENGZHOU SIBIAN TECH CO LTD
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