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Herbicidal composition containing diflufenzopyr and clopyralid and use thereof

A herbicidal composition, the technology of clopyralid, which is 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, and long duration in the field, so as to avoid Produce phytotoxicity, improve efficacy, and broad-spectrum herbicide effect

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

[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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  • Herbicidal composition containing diflufenzopyr and clopyralid and use thereof
  • Herbicidal composition containing diflufenzopyr and clopyralid and use thereof
  • Herbicidal composition containing diflufenzopyr and clopyralid and use thereof

Examples

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Effect test

Embodiment 1

[0019] Flufenpyrazole 5%, Clopyralid 25%, Sodium Lignosulfonate 6%, Sodium Dodecylbenzenesulfonate 4%, Xanthan Gum 2%, Water Supplement 100%, Prepared according to the conventional preparation method A suspending agent with a total mass percentage of active ingredients of 30%.

Embodiment 2

[0021] Flufenpyrazole 5%, clopyralid 20%, NNO (sodium methylene bis-tetrasulfonate) 8%, alkylphenol polyoxyethylene ether 8%, and sodium lignosulfonate make up 100%, according to the conventional The preparation method is prepared as a dry suspension with a total mass percentage of active ingredients of 25%.

Embodiment 3

[0023] Flufenpyrazole 15%, Clopyralid 60%, Sodium Lignosulfonate 7%, Sodium Dodecylbenzenesulfonate 5%, Ammonium Sulfate 5%, Diatomaceous Earth to make up 100%, according to the conventional preparation method It is formulated into water-dispersible granules with a total mass percentage of active ingredients of 75%.

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Abstract

The invention belongs to the field of pesticides and discloses a herbicidal composition containing diflufenzopyr and clopyralid and use thereof. The herbicidal composition mainly comprises diflufenzopyr and clopyralid, wherein diflufenzopyr and clopyralid account for 1 to 85 percent of the total mass of the herbicidal composition and the mass ratio of diflufenzopyr to clopyralid is 1-80:1-80. The herbicidal composition provided by the invention can be used in the preparation of herbicide for controlling weeds in corn lands after seedlings emerge, and has an obvious effect particularly when used in the preparation of herbicide for controlling various gramineous weeds and broadleaf weeds in the corn lands after seedlings emerge. Compared with single preparations, the herbicidal composition, on the premise of improving herbicide effect, reduces dosage, delays weed resistance, has a broad herbicidal spectrum, acts for a long time and is safe for corn and afterculture crops.

Description

Technical field [0001] The invention belongs to the field of pesticides and relates to a post-emergence herbicidal composition for corn fields, and in particular to a herbicidal composition containing fluoropyrazole and clopyralid and its application. Background technique [0002] Corn is both an important food crop and an important feed crop. It is known as the "King of Feed". In recent years, with the development of animal husbandry, food processing and brewing industries, market demand has been increasing. my country is the world's major corn producer, with a current annual planting area of ​​21.4 million hectares. 2 , accounting for 18.9% of the food crop planting area, ranking third after rice and wheat. It is divided into spring sowing and summer sowing. The spring sowing corn area in the north is dominated by the three northeastern provinces, Inner Mongolia and Ningxia. The planting area has stabilized at more than 6.5 million hectares, accounting for about 36% of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/34A01N43/40A01P13/00
Inventor 郭崇友曹志斌沈海峰张宝俊张爱娟
Owner NANJING HUAZHOU PHARMA
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