Tebuconazole water dispersible granule and preparation method thereof

A technology of dispersing granules and tebuconazole, applied in the directions of botanical equipment and methods, biocides, fungicides, etc., can solve the problems of inconvenient storage, large pollution, high cost, and achieve convenient storage and transportation, good dispersibility, low pollution 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

[0007] The wooden product of the present invention is low in use cost, easy to pack, convenient for storage and transportation, has no harm to human health and no pollution to the environment, and at the same time improves the utilization rate and drug efficiency of the active ingredients of the drug, and overcomes the high cost of the prior art. , large pollution, and inconvenient storage

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Weigh 720 parts of tebuconazole original powder, 40 parts of wetting agent alkyl sulfate, 40 parts of dispersant fatty alcohol polyoxyethylene ether, 30 parts of disintegrating agent ammonium sulfate, 10 parts of adsorbent diatomaceous earth, stable 30 parts of disodium hydrogen phosphate as an agent, 110 parts of light calcium carbonate as a filler, mix them uniformly, and then pulverize them with a jet mill to obtain mother powder, mix the mother powder with 20 parts of binder polyvinyl alcohol, and then granulate , dried, and sieved to obtain tebuconazole water-dispersible granules, which have a control effect of 88.01% to 90.89% for preventing and treating wheat powdery mildew in practice.

Embodiment 2

[0025] Weigh 750 parts of tebuconazole 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 Tebuconazole water-dispersible granules were sieved, and its control effect on the control of banana leaf spot was 89.08-93.11%.

Embodiment 3

[0027] Weigh 770 parts of tebuconazole raw powder, 30 parts of wetting agent alkylbenzene sulfonate, 35 parts of dispersant alkylphenol polyoxyethylene ether, 24 parts of disintegrating agent calcium chloride, 45 parts of adsorbent lignin 12 parts, 15 parts of stabilizer oxalic acid, 97 parts of filler anhydrous sodium sulfate, after mixing them evenly, pulverize them through a jet mill to obtain mother powder, mix the mother powder with 17 parts of binder polyethylene glycol, and then granulate , dried, and sieved to obtain the tebuconazole water-dispersible granule, which has a control effect of 91.23% to 95.99% for the prevention and treatment of apple spot defoliation in practice.

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PUM

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Abstract

The invention discloses a tebuconazole fungicide. The invention belongs to the fungicide technology in the field of plant protection. The composition of the present invention comprises: 10-800 parts of tebuconazole, 20-40 parts of wetting agent, 20-40 parts of dispersant, 20-80 parts of disintegrating agent, 10-50 parts of adsorbent, 10-60 parts of adhesive, Stabilizer 10-80 parts, filler 50-500 parts. The above ingredients are mixed in proportion, after stirring evenly, the mesh powder is obtained by crushing, and the mesh powder and the adhesive are mixed uniformly, then granulated, dried, and sieved to obtain tebuconazole water-dispersible granules. The disadvantages of the existing formulations of azole alcohol reduce the cost of use of farmers and the pollution of the environment, and the present invention has the advantages of high content, fast disintegration, good dispersibility, good storage, transportation and stability during use, and has high activity and high efficacy. Good, safe, mainly used for the control of wheat powdery mildew, banana leaf spot, apple leaf spot, pear scab.

Description

technical field [0001] The invention relates to an agricultural fungicide, the active ingredient is tebuconazole, the dosage form is water-dispersible granule and the preparation method thereof. It is mainly used for the prevention and treatment of wheat powdery mildew, banana leaf spot, apple leaf spot and pear scab. Background technique [0002] At present, there are many agricultural fungicides. Tebuconazole is one of them. It is a systemic fungicide with dual functions of protection and treatment. It is an inhibitor of ergosterol biosynthesis and can be quickly absorbed by the growing parts of plants and mainly to the top. Transfer, not only has bactericidal activity, but also can promote the growth of crops, so that the root system is developed, the leaves are dark green, the plants are strong, and the effective tillers increase, thereby increasing the yield. It can effectively control wheat powdery mildew, banana leaf spot, apple leaf spot, and pear scab. And the wat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/653A01N25/14A01N25/30A01P3/00
Inventor 张少武
Owner SHAANXI MEIBANG PHARMA GRP CO LTD
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