Herbicidal composition containing diflufenzopyr and sulcotrione and application thereof

The technology of a herbicidal composition and flufenpyrazole, 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 of field effects, so as to avoid Produce phytotoxicity, improve efficacy, and broad-spectrum herbicide 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, the control effect of sulcotrione on gramineous weeds is poor, and the herbicidal spectrum is limited, so that it is greatly restricted in the use process
[0010] 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 sulcotrione and application thereof
  • Herbicidal composition containing diflufenzopyr and sulcotrione and application thereof
  • Herbicidal composition containing diflufenzopyr and sulcotrione and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Diflufenzofen 10%, sulcotrione 20%, calcium dodecylbenzenesulfonate 4%, alkylphenol polyoxyethylene ether 5%, thickener 2%, solvent oil supplement 100%, according to the conventional preparation The method is prepared into an oil suspension concentrate with a mass percent content of 30%.

Embodiment 2

[0025] Flufenpyrzone 7%, sulcotrione 18%, NNO (sodium methylene bis-tetrasulfonate) 5%, sodium dodecylsulfonate 4%, sodium lignosulfonate supplement 100%, according to the conventional preparation Methods Prepare a dry suspension with a total mass percentage of active ingredients of 25%.

Embodiment 3

[0027] Flufenpyrazole 25%, sulcotrione 50%, sodium lignosulfonate 7%, sodium dodecylbenzenesulfonate 5%, ammonium sulfate 5%, diatomaceous earth supplement 100%, prepared according to conventional preparation methods A water-dispersible granule with a total mass percentage of active ingredients of 75%.

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Abstract

The invention belongs to the field of pesticide, and discloses a herbicidal composition containing diflufenzopyr and sulcotrione and application thereof. The diflufenzopyr and the sulcotrione are used as main active ingredients in the herbicidal composition, the diflufenzopyr and the sulcotrione account for 10 to 85 percent of the total mass of the herbicidal composition, and the mass ratio of the diflufenzopyr to the sulcotrione is 1-65: 1-70. The herbicidal composition provided by the invention can be applied in preparation of herbicide for controlling post-emergence weeds in corn field, and particularly in preparation of herbicide for controlling various gramineous weeds and broadleaf weeds in corn fields. Compared with a single-component herbicide, the herbicidal composition reduces dosage, delays the weed resistance, has broad herbicidal spectrum and acts for a long time on the premise of improving herbicide effect, and is safe for woods 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 sulcotrione 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 coun...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): A01N47/34A01N41/10A01P13/00
Inventor郭崇友张爱娟陈叶青赵志华杨帆
OwnerNANJING HUAZHOU PHARMA