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Azocyclotin water dispersible granule and preparation method thereof

A technology of disperse particles and triazolium tin, which is applied in botany equipment and methods, acaricides, biocides, etc., can solve the problems of affecting crop photosynthesis, physiological period, leaf yellowing, etc., and achieves little pollution and disintegration Fast speed and high active content effect

Inactive Publication Date: 2008-04-30
SHAANXI MEIBANG PHARMA GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Apple spider mite: It mainly harms the leaves. Gray spots appear on the leaves at the beginning of the damage. In severe cases, the leaf cloth becomes grayish white, but the leaves do not fall, which mainly affects the photosynthesis of the crops. It not only causes the leaves to wither and yellow, but also causes the tree to wilt. cause serious impact

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Weigh 800 parts of triazolium tin raw powder, 20 parts of wetting agent alkyl sulfate, 30 parts of dispersant fatty alcohol polyoxyethylene ether, 20 parts of disintegrating agent ammonium sulfate, 10 parts of adsorbent diatomaceous earth, stabilizer 20 parts of disodium hydrogen phosphate, 90 parts of light calcium carbonate as a filler, mix them evenly, and pulverize them with a jet mill to obtain mother powder, mix the mother powder with 10 parts of binder polyvinyl alcohol, then granulate and dry , and sieved to obtain triazolium tin water-dispersible granules, which have a control effect of 89.01% to 97.89% for controlling apple spider mite in practice.

Embodiment 2

[0024] Weigh 750 parts of triazolium tin raw powder, 26 parts of wetting agent sodium alkyl sulfonate, 37 parts of dispersing agent alkylphenol polyoxyethylene ether, 28 parts of disintegrating agent anhydrous sodium sulfate, 14 parts of adsorbent white carbon black parts, 18 parts of stabilizer succinic acid, 110 parts of filler kaolin, after mixing them evenly, pulverize them through an airflow mill to obtain mother powder, mix the mother powder with 17 parts of binder gelatin, then granulate, dry, pass The triazolium tin water dispersible granule was sieved, and its control effect on preventing and controlling citrus spider mite was 90.08-98.11% in practice.

[0025] In order to make those of ordinary skill in the art understand the present invention better, the present invention provides the preparation method that is used for triazotin water-dispersible granule, has the following steps:

[0026] a), select raw materials according to the formula of triazolium tin water dis...

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PUM

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Abstract

The invention discloses an azocyclotin acaricide, belonging to acaricide technology of plant protecting field. The invention composition comprises fenbutatin oxide 10-800 parts, moistening agent 10-40 parts, dispersing agent 20-40 parts, disintegrating agent 10-50 parts, sorbent 10-60 parts, adhesive agent 10-30 parts, stabilizing agent 10-70 parts and filling material 50-500 parts. The above components are pro rata mixed and evenly stirred, then mesh powder obtained through disintegrating is evenly stirred with the adhesive agent, and azocyclotin moisture free-flow agent is processed through granulating, drying and sieving. The azocyclotin acaricide of the invention overcomes shortages of the conventional agent type of azocyclotin, lowers utilizing cost for farmers and environmental pollution. During utilizing process, the chemical compound fenbutatin oxide moisture free-flow agent of the invention has the advantages of high content, fast disintegration, great dispersibility, favorable storing and transporting, great stability, high activity, great efficiency and safety, which is mainly applicable for preventing and curing European red mites and citrus red mites.

Description

technical field [0001] The invention relates to an agricultural acaricide, the active ingredient is triazolium tin, the dosage form is water dispersible granule and the preparation method thereof. [0002] It is mainly used for the control of apple red spider and citrus red spider. Background technique [0003] At present, there are many agricultural acaricides, and triazolium tin is one of them, which belongs to the organotin class of acaricides and is a broad-spectrum acaricide with strong contact killing effect. It can kill nymphs, adult mites and summer eggs, but is invalid for winter eggs. It has good stability to light and rain, and has a long residual period. Safe for crops at commonly used concentrations. At present, the single agent of tin triazolium powder on the market is generally made into low-content wettable powder and low-content emulsifiable concentrate. Moreover, wettable powder single agent and emulsifiable concentrate are seriously polluted in the pro...

Claims

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Application Information

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IPC IPC(8): A01N55/04A01N25/14A01P7/02
Inventor 张少武
Owner SHAANXI MEIBANG PHARMA GRP CO LTD
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