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Water dispersive granule prepared by mixing nimbin and griseofulvin

A technology of griseofulvin and azadirachtin, applied in biocides, animal repellents, plant growth regulators, etc., can solve the problems of less processing dosage forms, instability, etc., and achieve extended duration, damage and pollution Small, enhances the efficacy of the drug

Inactive Publication Date: 2005-06-29
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Azadirachtin is a compound derived from the plant Neem, which has excellent bactericidal activity, degrades quickly in the environment, does not harm natural enemies and other non-target organisms, and is a universally recognized biological pesticide. Its disadvantage is instability, Less processed dosage forms
[0005] There are few mixed varieties of azadirachtin in the bactericides used in agriculture at present. The CN1359623A patent once proposed several mixed azadirachtin bactericides, but this patent is a mixture of azadirachtin and some chemically synthesized bactericides. match

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Embodiment 1: the preparation of 3% azadirachtin+golden enzyme element EC, the distribution ratio of each component is by weight:

[0049] Azadirachtin is 0.3%;

[0050] Golden Enzyme 2.7%;

[0051] Surfactant: dodecylphenol polyoxyethylene ether is 15%;

[0052] Organic solvent: xylene is 37%;

[0053] Co-solvent: methanol is 15%;

[0054] Anti-photolysis agent: castor oil is 1%;

[0055] Stabilizer: epoxidized soybean oil is 17%;

[0056] Penetrant: Laurocaprazine is 12%;

[0057] Put each component into the preparation kettle and mix thoroughly to obtain the product.

Embodiment 2

[0058] Embodiment two: the preparation of 10% azadirachtin + blasticidin wettable powder, the distribution ratio of each component is by weight:

[0059] Azadirachtin is 0.5%;

[0060] Blasticidin is 9.5%;

[0061] Wetting agent: sodium lauryl sulfate is 25%;

[0062] Dispersant: 22% of alkyl sulfonate;

[0063] Carrier: kaolin is 43%;

[0064] The components are dried, cooled, mixed and ground to obtain the product.

Embodiment 3

[0065] Embodiment three: the preparation of 30% azadirachtin + cycloheximide oil suspension, the distribution ratio of each component is by weight:

[0066] Azadirachtin is 10%;

[0067] Cycloheximide is 20%;

[0068] Dispersant: sodium lignosulfonate is 10%;

[0069] Viscosifier: bentonite is 3%;

[0070] Stabilizer: xanthan gum is 2%;

[0071] Defoamer: organic silicone is 5%;

[0072] Solvent: castor oil is 50%;

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PUM

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Abstract

The invention relates to a pesticide blending technology, wherein nimbin and griseofulvin are employed as the main raw material to blend into water dispersible granule, which have the advantages of improved preventing and curing effect, safety to human, livestock and ecologic environment, Thus can serve as a blended germicidal agent for widespread application.

Description

[0001] This application is a division of application number 02134910.X and application date of October 9, 2002. technical field [0002] The invention belongs to the compounding of pesticides and a preparation method thereof, in particular to the compounding of azadirachtin and antibiotic bactericides. Background technique [0003] Most of the chemical fungicides currently used in agriculture to prevent and control active diseases are chemical fungicides. These chemical fungicides not only pollute the environment, kill a large number of beneficial natural enemies, cause human and animal poisoning, but also easily produce drug resistance, and some of them will cause phytotoxicity. Therefore, the development of high-efficiency, low-toxicity, and environmentally safe fungicides is a need for agricultural production. [0004] Azadirachtin is a compound derived from the plant Neem, which has excellent bactericidal activity, degrades...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/90
Inventor 徐汉虹田永清
Owner SOUTH CHINA AGRI UNIV
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