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Herbicidal composition containing clopyralid and thifensulfuron-methyl and application thereof

A herbicidal composition, a technology of clopyralid acid, applied in the field of pesticides, can solve the problem that the weeds in wheat fields cannot be completely and effectively controlled, the residual poisoning of current crops or subsequent crops, and the difficulty in completely killing broad-leaved weeds in wheat fields. and other problems, to achieve the effect of improving safety, improving efficacy and reducing the content of use

Active 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, its herbicidal spectrum is narrow, and it is difficult to completely kill broad-leaved weeds in wheat fields
[0006] At present, herbicides in wheat fields 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 wheat fields. 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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  • Herbicidal composition containing clopyralid and thifensulfuron-methyl and application thereof
  • Herbicidal composition containing clopyralid and thifensulfuron-methyl and application thereof
  • Herbicidal composition containing clopyralid and thifensulfuron-methyl and application thereof

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Experimental program
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Effect test

Embodiment 1

[0020] Thifensulfuron-methyl 5%, clopyralid 30%, NNO (sodium methylene bis-tetrasulfonate) 8%, alkylphenol polyoxyethylene ether 7%, sodium lignosulfonate supplement 100%, according to the conventional preparation The method is prepared into a dry suspension concentrate with a total mass percentage of active ingredients of 25%.

Embodiment 2

[0022] Thifensulfuron 1%, Clopyralid 24%, Sodium Naphthalene Sulfonate Formaldehyde Condensate 6%, Nonylphenol Polyoxyethylene Ether 3%, Magnesium Aluminum Silicate 0.5%, Ethylene Glycol 2%, Water to 100%, according to the conventional preparation method, it is prepared into a suspending agent that the total mass percentage of active ingredients is 24%.

Embodiment 3

[0024] Thifensulfuron-methyl 5%, clopyralid 70%, NNO (sodium methylene bis-tetrasulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, kaolin to 100%, prepared according to conventional preparation methods Dispersible granules with a total mass percentage of active ingredients of 60%.

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Abstract

The invention belongs to the field of pesticides and discloses a herbicidal composition containing clopyralid and thifensulfuron-methyl and application thereof. The herbicide takes clopyralid and thifensulfuron-methyl as the main active ingredients, wherein the mass ratio of clopyralid to thifensulfuron-methyl is (1-80):(1-70) and clopyralid and thifensulfuron-methyl account for 5-85% of the herbicidal composition by mass. The herbicidal composition has obvious effect on preparing the herbicides for controlling the postemergence weeds in the wheat fields, especially the herbicides for controlling various broadleaf weeds in the wheat fields. Compared with the single agent, the herbicidal composition delays weed resistance, has wide herbicidal spectrum and long efficacy duration and does noharm to the wheat and the aftercrops on the premise of improving the drug effect.

Description

Technical field [0001] The invention belongs to the field of pesticides and relates to a herbicidal composition, in particular to a herbicidal composition containing clopyralid and thifensulfuron and its application. Background technique [0002] Wheat is my country's main food crop. It is reported that wheat across the country suffers from weed damage to varying degrees every year. If weeding is not carried out in the field, the yield can be reduced by more than 50%. In order to reduce the economic losses caused by weed damage and reduce labor intensity, chemical weeding has gradually been accepted by people because of its convenience, quick effect, and long control time. [0003] In recent years, with the increase in herbicide varieties and the widespread promotion of chemical control technology in agricultural production, chemical weed control has been widely used in various stages of wheat growth. Due to different climate characteristics and planting habits in different...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01N43/40A01P13/00
Inventor 齐武郭崇友谷顺明徐盈张宝俊
Owner NANJING HUAZHOU PHARMA
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