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Herbicidal composition containing diflufenzopyr and mesotrione and application thereof

A herbicidal composition and a technology for mesotrione, applied in the field of pesticides, can solve problems such as residual poisoning of current crops or subsequent crops, uneven application of pesticides, limited herbicidal spectrum, etc. Harmful, enhance the effect of herbicidal activity

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

AI Technical Summary

Problems solved by technology

However, the control effect of mesotrione on gramineous weeds is poor, and the cost per unit area is high, which limits its use.
[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 mesotrione and application thereof
  • Herbicidal composition containing diflufenzopyr and mesotrione and application thereof
  • Herbicidal composition containing diflufenzopyr and mesotrione and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0018] Flufenpyrazole 20%, mesotrione 10%, calcium dodecylbenzenesulfonate 4%, alkylphenol polyoxyethylene ether 5%, thickener 2%, solvent oil to make up 100%, according to the conventional The preparation method is prepared as a suspension concentrate with a total mass percentage of active ingredients of 30%.

Embodiment 2

[0020] Flufenpyrhydrazine 19%, Mesotrione 6%, NNO (sodium methylene bis-tetrasulfonate) 5%, sodium dodecylsulfonate 4%, 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

[0022] Flufenpyrazole 35%, Mesotrione 40%, Sodium Lignosulfonate 7%, Sodium Dodecyl Benzene Sulfonate 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 mesotrione and application thereof. In the herbicidal composition, diflufenzopyr and mesotrione are taken as main active ingredients in the mass ratio of 1-80:1-60, and accounts for 10 to 85 percent of the total mass of the herbicidal composition. The herbicidal composition provided by the invention can be applied to the preparation of herbicides for controlling post-emergence weeds in corn fields, and particularly has a remarkable effect when applied to the preparation of herbicides for controlling various gramineous and broadleaf weeds in the corn fields. Compared with a single-component herbicide, the herbicidal composition has lower dosage, postpones the resistance of the weeds, has a wide weeding spectrum and acts for a long time on the premise of improving herbicide effects, and is safe for corns and afterculture crops.

Description

technical field [0001] The invention belongs to the field of pesticides, and relates to a post-emergence herbicidal composition in a corn field, in particular to a herbicidal composition containing diflufenzozone and mesotrione and an application thereof. 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 about 36% of the count...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/34A01N41/10A01P13/00
Inventor 郭崇友王晓阳张宝俊芮国华夏雪峰
Owner NANJING HUAZHOU PHARMA
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