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Weeding composition

A herbicidal composition and a technology for cyhalofop-butyl are applied in the field of pesticides, which can solve the problems of poor control effect of malignant weeds, large dosage, narrow herbicidal spectrum, etc., and achieve the advantages of reducing the frequency of application, decreasing the concentration and reducing the risk. Effect

Inactive Publication Date: 2017-06-20
江苏莱科化学有限公司
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Although rimsulfuron-methyl, cyhalofop-ethyl, and saflufenacil are all herbicides that can be used alone, they have certain defects and limitations when used alone
Generally speaking, on the one hand, the existing single or mixed herbicides still have defects and limitations such as narrow herbicidal spectrum, large dosage, and poor control effect on malignant weeds; There is no technical revelation that teaches that the mixed use of the above three herbicides can completely solve the above-mentioned defects and limitations

Method used

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Examples

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Effect test

Embodiment 127

[0014] Example 1 27% rimsulfuron-methyl-cyhalofop-methyl-pyrimidin saflufenacil wettable powder

[0015] Fluesulfuron 6%, cyhalofop-methyl 18%, saflufenacil 3%, dispersant calcium lignosulfonate 0.5%, wetting agent sodium lauryl sulfate 0.5%, filler corn starch 72%. The wettable powder product of the present invention is prepared according to conventional formulation methods.

Embodiment 2

[0016] Example 2 7% rimsulfuron-cyhalofop-methyl-pyrimidin saflufenacil suspoemulsion

[0017] Fluisulfuron 2%, cyhalofop-methyl 4%, saflufenacil 1%, dispersant sodium polycarboxylate 0.05%, emulsifier dodecylphenol polyoxyethylene ether 6%, antifreeze agent urea 0.02%, Defoamer silicone oil 0.03%, deionized water 86.9%. Prepare the suspoemulsion product of the present invention according to conventional preparation methods.

Embodiment 3

[0018] Example 3 54% rimsulfuron-cyhalofop-methyl-pyrimidin saflufenacil wettable powder

[0019] Fluysulfuron 12%, cyhalofop-methyl 36%, saflufenacil 6%, dispersant sodium lignosulfonate 1%, wetting agent polyoxyethylene alkyl phenyl ether sodium sulfate 1%, filler silicon Alginate 44%. The wettable powder product of the present invention is prepared according to conventional formulation methods.

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Abstract

The invention belongs to the technical field of pesticides, and discloses a weeding composition. Orthosulfamuron, cyhalofop-butyl and pyribenzoxim are main effective ingredients of the weeding composition, and the mass ratio of the orthosulfamuron to the cyhalofop-butyl to the pyribenzoxim is (2-20) to (4-55) to (0.5-10), and the mass percentage content of the summation of the three ingredients in the weeding composition is 6.5-85%. The invention further discloses that the weeding composition can be prepared as wettable powder and suspension emulsion; the weeding composition has the advantages of being small in resistance risk, low in prevention cost, wide in weed control spectrum, and excellent in pesticide effect, persistence effect and fast-acting property, and can be used for preventing and removing graminaceous and broadleaf weed in a paddy field.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a three-component compound compound of rimsulfuron-methyl, cyhalofop-methyl and saflufenacil, which has a synergistic effect, and is used for controlling weeds of grasses and broad-leaved families in paddy fields. combination. Background technique [0002] The use of herbicides has greatly reduced the labor intensity of farmers, but with the long-term use of conventional herbicides, weeds have also developed great resistance, and simply increasing the dosage cannot solve the problem. On the one hand, the quantity increases the cost, and on the other hand, the convenience also pollutes the environment. At present, a large number of resistant weeds such as Sagittarius chinensis, Cormina, barnyardgrass, sedge, and sedge have appeared in rice fields. The existing herbicides on the market have little control effect, so that farmers are at a loss what to do. [0003] F...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01N43/54A01N39/04A01P13/00
CPCA01N47/36A01N39/04A01N43/54
Inventor 朱卫东
Owner 江苏莱科化学有限公司
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