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Synergistic weeding composition containing clopyralid and bentazone

A herbicidal composition, clopyralid technology, applied in the direction of herbicides, algicides, biocides, animal repellents, etc., can solve the problem of incomplete and effective control of weeds in wheat fields, current season crops or after-season crops. Residual toxicity of crops, impact on the use of bentazone, etc., to achieve the effect of improving safety, improving efficacy, and reducing the content of use

Inactive 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, with the extensive use of bentazone, many weeds have gradually developed resistance to it, seriously affecting the use of bentazone
[0010] At present, herbicides in wheat fields 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 wheat fields. 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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  • Synergistic weeding composition containing clopyralid and bentazone
  • Synergistic weeding composition containing clopyralid and bentazone
  • Synergistic weeding composition containing clopyralid and bentazone

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Bentazone 25%, Clopyralid 5%, Sodium Dodecylbenzene Sulfonate 5%, Alkylphenol Polyoxyethylene Ether 3%, Water to 100%, according to the conventional preparation method to prepare the mass percentage It is a 30% aqueous solution.

Embodiment 2

[0028] Bentasone 20%, clopyralid 30%, NNO (sodium methylene bis-sulfonate) 8%, sodium dodecylbenzene sulfonate 5%, alkylphenol polyoxyethylene ether 3%, water to 100%, according to the conventional preparation method, it is formulated into a 50% soluble powder by mass percentage.

Embodiment 3

[0030] 15% bentazone, 60% clopyralid, 5% wetting agent, 3% ammonium sulfate, 2% polyvinyl alcohol, 100% kaolin, according to the conventional preparation method, the mass percentage content is 75%. Water-dispersible granules.

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PUM

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Abstract

The invention discloses a synergistic weeding composition comprising clopyralid and bentazone. The weeding composition takes clopyralid and bentazone as main active ingredients in a mass ratio of 1-60:1-60. The synergistic weeding composition can be applied to the preparation of a weeding agent for weeding after seedlings are planted in a wheat field. Compared with a single agent, the weeding composition delays weed resistance, has a broad weeding spectrum, acts for a long time, is safe for wheat and afterculture crops and has particularly remarkable effect when applied to the prevention and killing of various broadleaf weeds in wheat fields on the premise of enhancing medicament effect.

Description

Technical field [0001] The invention belongs to the technical field of pesticides, especially the field of herbicides, and relates to a binary compound agent of clopyralid and bendasone. The herbicidal composition can be used for post-emergence weeding of wheat. Background technique [0002] Wheat is my country's main food crop. It is reported that wheat across the country suffers from weed damage to varying degrees every year. If weeding is not carried out in the field, the yield can be reduced by more than 50%. In order to reduce the economic losses caused by weed damage and reduce labor intensity, and also because of its convenience, quick effect, and long control time, chemical weeding has gradually been accepted by people. [0003] In recent years, with the increase in herbicide varieties and the widespread promotion of chemical control technology in agricultural production, chemical weeding has been widely used in various stages of wheat growth. Due to different clima...

Claims

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Application Information

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IPC IPC(8): A01N43/88A01N43/40A01P13/00
Inventor 杨寿海赵富明方珏张兰萍孔新福
Owner NANJING HUAZHOU PHARMA
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