Synergic weeding composition containing clopyralid and fluroxypyr and application thereof

A herbicidal composition, the technology of clopyralid, applied in the field of herbicides and pesticides, can solve the problems of limited herbicidal spectrum, high cost of use, and high water solubility, so as to improve the herbicidal activity, reduce the use content, and expand the herbicidal activity. Grass score 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

However, fluroxypyr is ineffective against gramineous weeds, and the price is relatively expensive, and the use cost per unit area is high, which restricts its sales and use
[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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  • Synergic weeding composition containing clopyralid and fluroxypyr and application thereof
  • Synergic weeding composition containing clopyralid and fluroxypyr and application thereof
  • Synergic weeding composition containing clopyralid and fluroxypyr and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Fluroxypyr 10%, clopyralid 12%, alkylphenol polyoxyethylene ether 4%, phenethylphenol polyoxyethylene ether 5%, xylene to 100%, prepared according to the mass percentage of conventional preparation methods Contains 22% emulsifiable concentrate.

Embodiment 2

[0027] Fluroxypyr 9%, Clopyralid 1%, Calcium dodecylbenzenesulfonate 6%, Alkylphenol polyoxyethylene ether 3%, Ethylene glycol 2%, Xylene 20%, Water to 100%, According to the conventional preparation method, it is prepared into a water emulsion with a mass percent content of 25%.

Embodiment 3

[0029] Fluroxypyr 5%, clopyralid 70%, sodium lignosulfonate 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, diatomaceous earth to 100%, according to the conventional preparation method to prepare the mass percentage It is 75% water dispersible granules.

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PUM

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Abstract

The invention discloses a synergic weeding composition containing clopyralid and fluroxypyr and application thereof. The main active ingredients of the weeding composition are the clopyralid and the fluroxypyr in a mass ratio of 1-80:1-80. The synergic weeding composition is used for post-emergence weeding in a corn field, and particularly has obvious effect when used for preventing and killing various broadleaf weeds in the corn field. Compared with the single clopyralid or fluroxypyr, the weeding composition delays the resistance of the weeds, has a wide weeding spectrum and long effective duration, and is safe for corn and aftercrop on the premise of improving herbicide effect.

Description

technical field [0001] The invention belongs to the technical field of pesticides, in particular to the field of herbicides, and relates to a binary compound of clopyralid and fluroxypyr. The herbicidal composition can be applied to post-emergence weeding in corn fields. Background technique [0002] Corn is the main food crop in my country. It is reported that every year corn in the country suffers from different degrees of weed damage. If weeding is not done in the field, the yield can be reduced by more than 50%. In order to reduce the economic loss caused by weeds and reduce labor intensity, chemical weeding has gradually been accepted by people because of its convenience, quick effect and long control time. [0003] In recent years, with the increase of herbicide varieties and the widespread promotion of chemical control technology in agricultural production, chemical weeding has been widely used in various periods of corn growth. Due to the different climate characte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/40A01P13/00
Inventor 杨寿海齐武李凯陈文明张宝俊
Owner NANJING HUAZHOU PHARMA
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