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A herbicide water dispersible granule containing cyclopentazone and trifluprosulfuron

A technology of trifluprosulfuron and cyclopentazone, applied in the field of pesticides, can solve the problems of plant pathogens producing drug resistance, shortening the duration of effect, increasing the dosage of drugs, etc., and achieves long-term maintenance of medicinal properties and reduced dosage. , the effect of crop safety

Inactive Publication Date: 2016-12-14
铜川市益民利农实业股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] After the above two drugs are used alone for a long time, it is easy for the plant pathogens to develop drug resistance, resulting in problems such as increased dosage, reduced control effect, and shortened duration.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A kind of herbicide water-dispersible granule containing cyclopentazone and trifluprosulfuron-methyl of the present invention comprises by weight: 70 parts of cyclopentazone, 20 parts of trifluprosulfuron-methyl, 20 parts of dispersant, 10 parts of wetting agent, 5 parts of disintegrant, 65 parts of filler.

[0021] Mix cyclopentazone, trifluprosulfuron-methyl, dispersant, wetting agent, disintegrant and filler evenly according to the formula, pulverize with ultra-fine jet mill, knead, and then add to fluidized bed granulation dryer Granulate, dry and sieve in a medium to obtain herbicide water dispersible granules.

[0022] The dispersant is: glycerin fatty acid ester polyoxyethylene ether.

[0023] Described wetting agent is: sodium lauryl sulfate.

[0024] The disintegrant is: citric acid.

[0025] The filler is: bentonite.

[0026] The herbicide water dispersible granule is used for early and post-emergence weeding of rice, corn and sorghum.

[0027] The herbic...

Embodiment 2

[0031] A kind of herbicide water-dispersible granule containing cyclopentazone and trifluprosulfuron-methyl of the present invention comprises by weight: 56 parts of cyclopentazone, 16 parts of trifluprosulfuron-methyl, 6 parts of dispersant, 6 parts of wetting agent, 3 parts of disintegrant, 30 parts of filler.

[0032] Mix cyclopentazone, trifluprosulfuron-methyl, dispersant, wetting agent, disintegrant and filler evenly according to the formula, pulverize with ultra-fine jet mill, knead, and then add to fluidized bed granulation dryer Granulate, dry and sieve in a medium to obtain herbicide water dispersible granules.

[0033] The dispersant is: glycerin fatty acid ester polyoxyethylene ether.

[0034] Described wetting agent is: sodium lauryl sulfate.

[0035] The disintegrant is: citric acid.

[0036] The filler is: bentonite.

[0037] The herbicide water dispersible granule is used for early and post-emergence weeding of rice, corn and sorghum.

[0038] The herbicid...

Embodiment 3

[0042] A kind of herbicide water-dispersible granule containing cyclopentazone and trifluprosulfuron-methyl of the present invention comprises by weight: 40 parts of cyclopentazone, 40 parts of trifluprosulfuron-methyl, 10 parts of dispersant, 7 parts of wetting agent, 4 parts of disintegrant, 40 parts of filler.

[0043] Mix cyclopentazone, trifluprosulfuron-methyl, dispersant, wetting agent, disintegrant and filler evenly according to the formula, pulverize with ultra-fine jet mill, knead, and then add to fluidized bed granulation dryer Granulate, dry and sieve in a medium to obtain herbicide water dispersible granules.

[0044] The dispersant is: glycerin fatty acid ester polyoxyethylene ether.

[0045] Described wetting agent is: sodium lauryl sulfate.

[0046] The disintegrant is: citric acid.

[0047] The filler is: bentonite.

[0048] The herbicide water dispersible granule is used for early and post-emergence weeding of rice, corn and sorghum.

[0049] The control...

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PUM

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Abstract

The invention relates to a herbicide water dispersible granule containing pentoxazone and prosulfuron. The active ingredients, pentoxazone and prosulfuron, in the herbicide are mutually mixed to provide a broad weed control spectrum. The active ingredients in the herbicide are matched to play a very good synergy role in a certain range, so that the herbicide is higher in control effect than a single agent, and the drug property maintenance time is long; the herbicide is extremely safe to rice, maize and sorghum.

Description

technical field [0001] The invention belongs to the field of pesticides, in particular to a herbicide water-dispersible granule containing cyclopentazone and trifluprosulfuron-methyl. Background technique [0002] Cyclopentazone, chemical name 3-(4-Chloro-5-cyclopentyloxy-2-fluorophenyl)-5-isopropylene-1,3-oxazoline-2,4-dione , the structural formula Belonging to oxazolones, the pure product is a colorless, odorless powdery solid; melting point is 104°C; density is 1.418 (25°C); vapor pressure is <1.11×10-5Pa (25°C). Partition coefficient LogP=0.67; solubility in water is 0.216mg / l (25°C); stable to light, heat and acid, unstable to alkali. It is mainly used to control barnyard grass and annual weeds. Using p-fluorophenol as the starting material, through chlorination, esterification and nitration to obtain intermediate substituted nitrobenzene; through hydrolysis to obtain intermediate substituted phenol potassium salt; and then through etherification and reduction t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/36A01N25/14A01P13/00A01N43/76
Inventor 许伟
Owner 铜川市益民利农实业股份有限公司