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Synergistic herbicidal composition containing rimsulfuron and fluroxypyp and use thereof

A herbicidal composition, the technology of yusulfuron-methyl, is applied in the fields of pesticides and herbicides, and can solve the problems of inability to completely and effectively control weeds in corn fields, residual poisoning of current crops or subsequent crops, insufficient herbicidal spectrum, and the like, To achieve the effect of improving efficacy, high safety and high herbicidal activity

Active Publication Date: 2013-07-10
NANJING HUAZHOU PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, fluroxypyr is ineffective against gramineous weeds, and the herbicidal spectrum is not wide enough, so its use is limited
[0008] 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 fluroxypyp and use thereof
  • Synergistic herbicidal composition containing rimsulfuron and fluroxypyp and use thereof
  • Synergistic herbicidal composition containing rimsulfuron and fluroxypyp and use thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] rimsulfuron-methyl 10%, fluroxypyr 10%, alkylphenol polyoxyethylene ether 4%, polyoxyethylene polyoxypropylene block compound 5%, thickener 2%, vegetable oil to 100%, according to conventional The preparation method is prepared as an oil suspension concentrate with a mass percent content of 20%.

Embodiment 2

[0024] 5% rimsulfuron-methyl, 20% fluroxypyr, 5% alkylphenol polyoxyethylene ether, sodium lignosulfonate to 100%, according to the conventional preparation method to prepare a dry suspension with a mass percentage of 25% .

Embodiment 3

[0026] rimsulfuron-methyl 25%, fluroxypyr 50%, sodium lignosulfonate 7%, sodium dodecylbenzenesulfonate 5%, ammonium sulfate 5%, diatomaceous earth supplement 100%, prepared according to the conventional preparation method A dispersible granule with a mass percent content of 75%.

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PUM

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Abstract

The invention discloses a synergistic herbicidal composition containing rimsulfuron and fluroxypyp, which mainly comprises rimsulfuron and fluroxypyp, which are in a mass ratio of 1-70:1-60. The synergistic herbicidal composition can be used for preparing herbicides for killing weeds in corn lands after seedlings emerge. Compared with single preparations, the herbicidal composition, on the premise of improving herbicide effect, delays weed resistance, has a broad herbicidal spectrum, acts for a long period, is safe for corn and afterculture crops and particularly has an obvious effect of preventing and killing various gramineous weeds and broadleaf weeds in the corn lands.

Description

technical field [0001] The invention belongs to the technical field of pesticides, especially the field of herbicides, and relates to a binary compound of rimsulfuron-methyl and fluroxypyr. 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 for abo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/36A01N43/40A01P13/00
Inventor 齐武曹志斌李赟姜军伟吴亚琼
Owner NANJING HUAZHOU PHARMA
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