Herbicidal composition containing rimsulfuron and 2,4-dichlorphenoxyacetic-acid and application thereof

A technology of dichlorophenoxyacetic acid and herbicidal composition, applied in the field of pesticides, can solve the problems such as limited herbicidal spectrum, not wide enough herbicidal spectrum, limited use, etc. 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

The mechanism of action of this product is a hormone-type herbicide, which has a poisonous effect at high concentrations, prompting weed stem tissues to increase nucleic acid and protein synthesis, restore the division ability of mature cells, and promote cell division, resulting in abnormal growth and leading to weeds Death, weed poisoning symptoms are similar to the symptoms of auxin substances, and are widely used in rice, corn, wheat, barley, oats, pasture, sorghum, sugarcane and other gramineous crops to control annu

Method used

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  • Herbicidal composition containing rimsulfuron and 2,4-dichlorphenoxyacetic-acid and application thereof
  • Herbicidal composition containing rimsulfuron and 2,4-dichlorphenoxyacetic-acid and application thereof
  • Herbicidal composition containing rimsulfuron and 2,4-dichlorphenoxyacetic-acid and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0023] Example 1

[0024] 2,4-Dichlorophenoxyacetic acid 29%, imsulfuron 19%, NNO (sodium methylene bis-naphthyl sulfonate) 8%, sodium lignosulfonate to make up 100%, and the quality is prepared according to the conventional preparation method 48% dry suspension concentrate.

Example Embodiment

[0025] Example 2

[0026] 2,4-Dichlorophenoxyacetic acid 25%, imsulfuron 5%, calcium dodecylbenzene sulfonate 4%, alkyl benzene polyoxyethylene ether 5%, soybean oil to 100%, according to conventional preparations The method is formulated into an oil suspension concentrate with a mass percentage of 30%

Example Embodiment

[0027] Example 3

[0028] 2,4-Dichlorophenoxyacetic acid 35%, imamsulfuron 15%, sodium lignosulfonate 7%, sodium dodecylbenzene sulfonate 5%, ammonium sulfate 5%, diatomaceous earth supplement 100%, According to the conventional preparation method, it is formulated into dispersible granules with a mass percentage of 50%.

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Abstract

The invention discloses a herbicidal composition containing rimsulfuron and 2,4-dichlorphenoxyacetic-acid and application thereof. The rimsulfuron and the 2,4-dichlorphenoxyacetic acid serve as main active ingredients; and the mass ratio of the rimsulfuron to the 2,4-dichlorphenoxyacetic acid is 1-80:1-80. The herbicidal composition can be used for preparing herbicides for controlling postemergence weeds in corn fields. Compared with single-component herbicide, the herbicidal composition delays weed resistance, has broad herbicidal spectrum and acts for a long time on the premise of improvinga herbicide effect, is safe for corns and afterculture crops, and particularly has an obvious effect of controlling various gramineous weeds and broadleaf weeds in the corn fields.

Description

technical field [0001] The invention belongs to the technical field of pesticides, especially the field of herbicides, and relates to a binary compound of rimsulfuron-methyl and 2,4-dichlorophenoxyacetic acid. The herbicide composition can be applied to post-emergence weeding in corn fields. 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,...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01N39/04A01P13/00
Inventor 芮国华李赟沈海峰彭永强吴亚琼
Owner NANJING HUAZHOU PHARMA
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