Ternary mixed weeding composition

A herbicidal composition and the technology of the composition are applied in the directions of herbicides, algaecides, biocides, animal repellents, etc., which can solve the problems of inability to solve weeds in farmland, complex grass phases, etc. Treatment, herbicidal effect improvement, dose reduction effect

Inactive Publication Date: 2014-03-19
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In recent years, due to the large-scale use of some herbicide varieties alone, many weeds have developed resistance
At the same time, when weeds occur, the grass phase is complex, a variety of weeds are mixed, and the use of a single species of herbicide cannot solve the weeds in the farmland, which will show some defects and limitations

Method used

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  • Ternary mixed weeding composition
  • Ternary mixed weeding composition
  • Ternary mixed weeding composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Formulation Example 1 (35% pyrazosulfuron-methyl-pyrimidin-cyhalofop-ethyl suspension concentrate):

[0018]

[0019]

[0020] The above formula is pre-crushed according to the proportion, and then added to a sand mill for grinding, and then prepared after high-shear mixing to prepare a 35% pyrazosulfuron-methyl-saflufenacil-cyhalofop-ethyl suspension concentrate.

Embodiment 2

[0021] Formulation Example 2 (25% pyrazosulfuron-methyl-pyrimidinate-cyhalofop-methyl dispersible oil suspension concentrate):

[0022]

[0023] Dissolve the original drug, solvent, and emulsifier in the above formula into a uniform oil phase; under high-speed stirring, mix to prepare 25% pyrazosulfuron-methyl-saflufenacil-cyhalofop-ester dispersible oil suspension concentrate.

Embodiment 3

[0024] Formulation Example 3 (34% pyrazosulfuron-methyl-pyrimidinate-cyhalofop-methyl wettable powder):

[0025]

[0026] The above formula is coarsely pulverized in proportion, put into a mixer and mixed evenly, and then jet pulverized to obtain 34% pyrazosulfuron-methyl-saflufenacil-cyhalofop-ester wettable powder.

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PUM

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Abstract

The invention discloses a ternary mixed weeding composition. Pyrazosulfuron-ethyl, pyribenzoxim and cyhalofop-butyl are used as active ingredients. The ternary mixed weeding composition comprises 1-10wt% of pyrazosulfuron-ethyl, 1-20wt% of pyribenzoxim, 1-30wt% of cyhalofop-butyl and the balance an herbicide assistant. According to application demands, the ternary mixed weeding composition can be processed to form a suspending agent, an oil suspending agent, wettable powder or water dispersible granules. The ternary mixed weeding composition is suitable for preventing and removing gramineous and broadleaved weeds in the paddy field. The ternary mixed weeding composition has weeding effects obviously superior to those of single-ingredient herbicides, has a wide weeding spectrum, improves actual effects, delays production of herbicide resistance of weeds, and saves time and labor.

Description

technical field [0001] The invention relates to a pesticide insecticidal composition, specifically a three-way mixed herbicidal composition, which uses pyrazosulfuron-methyl, saflufenacil and cyhalofop-ethyl as active ingredients, and is used for controlling grasses in rice fields. and broadleaf weeds. Background technique [0002] Chemical weeding is one of the main means of controlling weeds in agriculture. In recent years, due to the large-scale single use of some herbicide varieties, many weeds have developed resistance. At the same time, when weeds occur, the grass phase is complex, a variety of weeds are mixed, and the use of a single herbicide can not solve the weeds in the farmland, which will show some defects and limitations. Mixing different types of herbicides has the advantages of broad herbicidal spectrum, improving the actual effect, delaying weed resistance, and saving time and labor. [0003] Pyrazosulfuron-methyl belongs to the sulfonylurea herbicides. I...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01P13/00A01N43/54A01N39/04
Inventor 陈佛祥吴泽伟
Owner GUANGDONG ZHONGXUN AGRI TECH
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