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Synergistic herbicidal composition containing rimsulfuron and bromoxynil

A herbicidal composition, the technology of rimsulfuron-methyl, applied in the field of pesticides, can solve the problems of incomplete and effective control of weeds in cornfields, residual toxicity of current crops or subsequent crops, restrictions on the use of bromoxynil, etc., and achieve improved High efficacy, safety, and quick-acting effect

Inactive Publication Date: 2011-04-27
NANJING HUAZHOU PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, bromoxynil has no control effect on gramineous weeds, and only by mixing with other herbicides can the weeding spectrum be expanded. Therefore, the use of bromoxynil is limited to a certain extent
[0006] At present, herbicides in cornfields are limited by the safety of crops, and their herbicidal spectrum is also limited. Using a single herbicide alone cannot completely and effectively control the occurrence of weeds in cornfields. Too long effective period, excessive dosage or uneven application will easily cause residual toxicity to current crops or subsequent crops

Method used

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  • Synergistic herbicidal composition containing rimsulfuron and bromoxynil
  • Synergistic herbicidal composition containing rimsulfuron and bromoxynil
  • Synergistic herbicidal composition containing rimsulfuron and bromoxynil

Examples

Experimental program
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Effect test

Embodiment 1

[0022] rimsulfuron-methyl 51%, bromoxynil 14%, alkylphenol polyoxyethylene ether 4%, polyoxyethylene polyoxypropylene block compound 5%, thickener 2%, vegetable oil to 100%, according to the conventional The preparation method is prepared as an oil suspension concentrate with a mass percent content of 65%.

Embodiment 2

[0024] rimsulfuron-methyl 42%, bromoxynil 23%, NNO (sodium methylene bis-tetrasulfonate) 9%, calcium dodecylbenzenesulfonate 6%, alkylphenol polyoxyethylene ether 5%, xylene 100%, according to the routine preparation method, be mixed with the emulsifiable concentrate that mass percent composition is 65%.

Embodiment 3

[0026] Erimsulfuron-methyl 5%, bromoxynil 5%, sodium lignosulfonate 7%, sodium dodecylbenzenesulfonate 5%, ammonium sulfate 5%, diatomaceous earth supplement 100%, prepared according to the conventional preparation method A water-dispersible granule with a mass percent content of 75%.

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Abstract

The invention discloses a synergistic herbicidal composition containing rimsulfuron and bromoxynil, which comprises the following active ingredients: rimsulfuron and bromoxynil in mass ratio of 1-70:1-50. Compared with single-component herbicides, the synergistic herbicidal composition delays the resistance of weeds, has a broad herbicidal spectrum and acts for a long time on the premise of improving herbicide effect, is safe for corn and afterculture crops, and particularly has an obvious effect of controlling various gramineae weeds and broad leaf weeds in corn fields. The synergistic herbicidal composition can be used for preparing herbicides for controlling postemergence weeds in the corn fields.

Description

technical field [0001] The invention belongs to the technical field of pesticides, in particular to the field of herbicides, and relates to a binary compound of rimsulfuron-methyl and bromoxynil. The herbicidal composition can be applied to post-emergence weeding in corn fields. Background technique [0002] Corn is not only an important food crop, but also an important feed crop. It is known as the "king of feed". In recent years, with the development of animal husbandry, food processing and wine making, the market demand continues to increase. my country is a major producer of corn in the world, with an annual planting area of ​​21.4 million ha 2 , accounting for 18.9% of the acreage of grain crops, ranking third after rice and wheat. It is divided into spring sowing and summer sowing. In the northern spring sowing corn area, mainly in the three northeastern provinces, Inner Mongolia and Ningxia, the planting area is stable at more than 6.5 million hectares, accounting f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01N37/40A01P13/00
Inventor 齐武郭崇友倪峰张宝俊曹森
Owner NANJING HUAZHOU PHARMA
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