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Tribenuron-methyl and carfentrazone-ethyl compounded wettable powder and preparation method thereof

A technology of wettable powder and mefentrazone, which is applied in the compound wettable powder of tribenuron-methyl and mefentrazone and its preparation field, can solve the problems of uneven spraying, crop injury, poor suspension rate, etc., and achieve the preparation process The effect of simplicity and ease of industrial production

Inactive Publication Date: 2017-09-05
安徽海日生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, the suspending agent product produced has a poor suspension rate, which can easily cause uneven spraying and local phytotoxicity of crops. The main reason is that there are different defects in the selection of adjuvants.
[0006] 3), compounding problem, by carrying out toxicity test, heat storage stability test and co-toxicity coefficient measurement to the above-mentioned several specific proportions disclosed by several herbicidal compositions, it is found that no obvious additive synergistic effect can be achieved

Method used

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  • Tribenuron-methyl and carfentrazone-ethyl compounded wettable powder and preparation method thereof
  • Tribenuron-methyl and carfentrazone-ethyl compounded wettable powder and preparation method thereof
  • Tribenuron-methyl and carfentrazone-ethyl compounded wettable powder and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] 36% tribenuron-methyl and mefentrazone compound wettable powder, each component and its parts by weight are as follows:

[0022]

[0023]

[0024] Preparation method: mix the raw materials, go through coarse crushing and airflow crushing in turn, then fully mix, take samples for analysis, measure, pack and put into storage after passing the test.

Embodiment 2

[0026] 35% tribenuron-methyl and mefentrazone compound wettable powder, each component and its parts by weight are as follows:

[0027] Element parts by weight Tribesulfuron 14 Metofen 21 Fatty alcohol polyoxyethylene ether 10 Phenylphenol polyoxyethylene polyoxypropylene ether 10 light calcium carbonate Top up to 100

[0028] The preparation method is the same as in Example 1.

Embodiment 3

[0030] 34% tribenuron-methyl and mefentrazone compound wettable powder, each component and its parts by weight are as follows:

[0031] Element parts by weight Tribesulfuron 13 Metofen 21 Fatty alcohol polyoxyethylene ether 10 Phenylphenol polyoxyethylene polyoxypropylene ether 10 light calcium carbonate Top up to 100

[0032] The preparation method is the same as in Example 1.

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Abstract

The invention discloses a tribenuron-methyl and carfentrazone-ethyl compounded wettable powder and a preparation method thereof and relates to the technical field of broad-leaf weed control of winter wheat fields. The tribenuron-methyl and carfentrazone-ethyl compounded wettable powder is at least prepared from, by weight, 14 parts of tribenuron-methyl, 22 parts of carfentrazone-ethyl, 10 parts of fatty alcohol-polyoxyethylene ether, 10 parts of phenethyl phenol polyoxyethylene-polyoxypropylene ether and 100 parts of light calcium carbonate. The preparation method includes: mixing raw materials which are subjected to coarse grinding and airflow grinding in sequence prior to fully mixing; performing sampling analysis and weighing, packaging and storing after sampling analysis is qualified. When 36% of the tribenuron-methyl and carfentrazone-ethyl compounded wettable powder compounded at the ratio of 7:11 is blended in use, the obvious synergistic effect range is achieved, while other preparations blended in ratio cannot achieve the obvious synergistic effect range.

Description

technical field [0001] The invention relates to the technical field of broad-leaved weed control in winter wheat fields, in particular to a wettable powder compounded with tribenuron-methyl and mefentrazone and a preparation method thereof. Background technique [0002] At present, the existing herbicidal composition for controlling broad-leaved weeds in winter wheat fields, for example, Chinese patent "CN101455201 A" discloses a "composition for controlling broad-leaved weeds in wheat fields", which contains the active ingredient component A and component B, component A refers to ethyl 4-chloro-2-oxybenzothiazol-3-yl acetate, component B refers to tribenuron-methyl, thiasulfuron-methyl, bensulfuron-methyl, monosulfuron-methyl , monosulfuronate, etc. one or more. In addition, the Chinese patent "CN 105875617A" discloses a pesticide synergistic composition "comprising bisfentrazone and pyrazole compounds" for controlling drug-resistant weeds in wheat fields. A synergistic h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01N43/653A01N25/14A01P13/00
CPCA01N47/36A01N25/14A01N43/653A01N2300/00
Inventor 熊言华梅永洁
Owner 安徽海日生物科技有限公司
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