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Synergistic herbicidal composition containing picloram and bromoxynil and application thereof

A herbicidal composition, a technology for bromoxynil, applied in the fields of pesticides and herbicides, can solve problems such as inability to completely and effectively control weeds in wheat fields, residual poisoning of current season crops or subsequent crops, affecting the use of bromoxynil, and the like, To achieve the effect of improving safety, improving efficacy, and reducing the content of use

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, with the extensive use of bromoxynil, many weeds have gradually developed resistance to it, seriously affecting the use of bromoxynil
[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 herbicidal composition containing picloram and bromoxynil and application thereof
  • Synergistic herbicidal composition containing picloram and bromoxynil and application thereof
  • Synergistic herbicidal composition containing picloram and bromoxynil and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] 4g of bromoxynil, 20g of picloram, 14g of alkylphenol polyoxyethylene ether, 15g of phenethylphenol polyoxyethylene ether, and 100g of xylene were prepared into an emulsifiable concentrate with a mass percentage of 24% according to a conventional preparation method.

Embodiment 2

[0027] Bromoxynil 9g, picloram 1g, methylnaphthalenesulfonate sodium formaldehyde condensate 6g, nonylphenol polyoxyethylene ether 3g, magnesium aluminum silicate 0.5g, ethylene glycol 7g, tributyl phosphate 2g, silicone oil 0.2g , and the balance is water, which is prepared into a suspending agent with a mass percent content of 10% according to a conventional preparation method.

Embodiment 3

[0029] 15g of bromoxynil, 60g of picloram, 5g of sodium dodecylbenzenesulfonate, 3g of ammonium sulfate, 2g of polyvinyl alcohol, and 31g of kaolin, were formulated into water-dispersible granules with a mass percentage of 75% according to conventional preparation methods .

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Abstract

The invention discloses a synergistic herbicidal composition containing picloram and bromoxynil and application thereof. In the herbicidal composition, the picloram and the bromoxynil serve as main active ingredients, and the mass ratio of the picloram to the bromoxynil is 1-80:1-80. The synergistic herbicidal composition can be applied to preparation of post-emergence herbicides for a wheat field, particularly preparation of herbicides for controlling broadleaf weeds in the wheat field. Compared with a single-component herbicide, the herbicidal composition 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 wheat and afterculture crops.

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 bromoxynil and picloram. The herbicidal composition can be used for post-emergence weeding of wheat. Background technique [0002] Wheat is the main food crop in my country. It is reported that every year wheat in the country suffers from weed damage to varying degrees. 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 weed damage and reduce labor intensity, chemical weeding has been gradually 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 stages of wheat growth. Due to the different climate characterist...

Claims

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Application Information

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IPC IPC(8): A01N43/40A01N37/40A01P13/00
Inventor 杨寿海沈海峰万蔚何莎莉卞小军
Owner NANJING HUAZHOU PHARMA
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