Herbicidal composition containing diflufenzopyr and atrazine and application thereof

A herbicidal composition and a technology for diflufenazone, which are applied in the field of pesticides, can solve the problems of inability to completely and effectively control weeds in corn fields, residual poisoning of current season crops or subsequent crops, and the use amount is not easy to be too large, and achieve inhibition The effect of unearthed growth, avoiding residual poisoning and prolonging service life

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

It is easy to be washed by rainwater to the deep layer of the soil, and it is also effective on some deep-rooted grasses, but it is easy to cause phytotoxicity, and the dosage should not be too large, and atrazine only has an inhibitory effect on perennial weeds, so its weeding spectrum is narrow , In addition, due to the long-term use of atrazine in corn fields, many weeds have developed

Method used

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  • Herbicidal composition containing diflufenzopyr and atrazine and application thereof
  • Herbicidal composition containing diflufenzopyr and atrazine and application thereof
  • Herbicidal composition containing diflufenzopyr and atrazine and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0018] Example 1

[0019] Fluroxypyr hydrazone 8%, atrazine 22%, NNO 6%, sodium dodecylbenzene sulfonate 4%, alkylphenol polyoxyethylene ether 3%, thickener 2%, water supplement 100%, according to The conventional preparation method is formulated into a suspension with 30% of the total mass percentage of active ingredients.

Example Embodiment

[0020] Example 2

[0021] Fluroxypyr hydrazone 5%, atrazine 20%, NNO (sodium methylene bis-naphtha sulfonate) 5%, sodium lauryl sulfonate 4%, sodium lignin sulfonate to make up 100%, follow the conventional preparation The method is formulated into a dry suspension with 25% of the total mass percentage of active ingredients.

Example Embodiment

[0022] Example 3

[0023] Fluroxypyr hydrazone 15%, atrazine 60%, sodium lignin sulfonate 7%, sodium dodecylbenzene sulfonate 5%, ammonium sulfate 5%, diatomaceous earth supplement 100%, prepared according to conventional preparation methods It becomes a water-dispersible granule with 75% total mass percentage of active ingredients.

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Abstract

The invention belongs to the field of pesticides, and discloses a herbicidal composition containing diflufenzopyr and atrazine and application thereof. The diflufenzopyr and the atrazine serve as main active ingredients; the diflufenzopyr and the atrazine account for 10 to 85 percent of the total mass of the herbicidal composition; and the mass ratio of the diflufenzopyr to the atrazine is 1-65:1-70. The herbicidal composition provided by the invention can be applied to preparation of herbicides for controlling post-emergence weeds in a corn field, and particularly has an obvious effect when used for preparing herbicides for controlling various gramineous and broadleaf weeds in the corn field. Compared with a single-component herbicide, the herbicidal composition reduces dosage, delays resistance of weeds, has broad herbicidal spectrum and acts for a long time on the premise of improving herbicide effect, 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 in a corn field, in particular to a herbicidal composition containing diflufenzofen and atrazine 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 country;...

Claims

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Application Information

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IPC IPC(8): A01N47/34A01N43/70A01P13/00
Inventor 郭崇友陈叶青齐武张爱娟万蔚
Owner NANJING HUAZHOU PHARMA
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