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Weeding composition containing benzobicyclon and halosulfuron-methyl, and applications thereof

A herbicidal composition, the technology of chlorpyrazosulfuron-methyl, applied in the field of herbicides and pesticides, can solve the problem of incomplete and effective control of weeds in paddy fields, residual toxicity of current crops or subsequent crops, no herbicidal composition has been found, etc. problem, to achieve the effect of improving safety, improving drug efficacy and reducing resistance

Inactive Publication Date: 2017-09-15
NANJING REDSUN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, herbicides in paddy fields are limited by the safety of crops, and the herbicidal spectrum is also limited. Using a single herbicide alone cannot completely and effectively control the occurrence of weeds in paddy fields. Too long effective period, excessive dosage or uneven application will easily cause residual toxicity to current crops or subsequent crops
The inventor found through research that the synergistic compounding of herbicides is an effective measure to expand the weed control spectrum and improve the control effect. So far, no herbicidal composition related to the compounding of benzobicyclone and chlorpyrazosulfuron-methyl has been found.

Method used

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  • Weeding composition containing benzobicyclon and halosulfuron-methyl, and applications thereof
  • Weeding composition containing benzobicyclon and halosulfuron-methyl, and applications thereof
  • Weeding composition containing benzobicyclon and halosulfuron-methyl, and applications thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Example 1: 35% chlorpyrazosulfuron-benzobicyclone emulsifiable concentrate (34:1)

[0023] Clorazosulfuron-methyl 34%, benzobicyclone 1%, alkylphenol polyoxyethylene ether 4%, phenethylphenol polyoxyethylene ether 15%, xylene supplemented to 100%, prepared according to conventional preparation methods The mass percent composition is 35% emulsifiable concentrate.

Embodiment 2

[0024] Example 2: 30% chlorpyrazosulfuron-benzobicyclone suspension concentrate (29:1)

[0025] Clorazosulfuron-methyl 29%, Benzobicyclone 1%, Sodium Naphthalene Sulfonate Formaldehyde Condensate 6%, Nonylphenol Polyoxyethylene Ether 3%, Magnesium Aluminum Silicate 0.5%, Ethylene Glycol 7%, 2% of tributyl phosphate, 0.2% of silicone oil, and the balance of water are formulated into a suspending agent with a mass percentage of 30% according to a conventional preparation method.

Embodiment 3

[0026] Example 3: 60% Clorazosulfuron-Benzobicyclone Water Dispersible Granules (59:1)

[0027] Clorazosulfuron-methyl 59%, benzobicyclone 1%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, kaolin supplemented to 100%, according to the conventional preparation Methods Prepare water dispersible granules (WDG) with a mass percentage of 60%.

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PUM

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Abstract

The invention discloses a weeding composition containing benzobicyclon and halosulfuron-methyl, and applications thereof. The weeding composition contains main effective components benzobicyclon and halosulfuron-methyl at a mass ratio of 60:1-1:60. The weeding composition can be used for wedding of paddy rice fields, and especially possesses obvious effect in preventing and killing cyperaceous weeds and broadleaf weeds in paddy rice fields. Compared with single dosage, the weeding composition comprises following advantages: drug effect is improved, generation of drug resistance is delayed, weed control spectrum is wide, effect persistent period is long, and the weeding composition is safe for rice and later crops.

Description

technical field [0001] The invention belongs to the technical field of pesticides, in particular to the field of herbicides, and specifically relates to a herbicidal composition containing benzobicyclone and chlorpyrazosulfuron-methyl and an application thereof. Background technique [0002] Benzobicyclone is a pyrazole herbicide newly developed by Sumitomo Corporation. Its mechanism and mode of action: it is absorbed through roots, stems, young shoots, and leaves and is rapidly transmitted. After absorption, it inhibits the biosynthesis of weed chlorophyll. It has high activity, strong selectivity, and broad spectrum. [0003] Halosulfuron methyl is mainly used to control broad-leaved weeds and sedge weeds, such as camphor, datura, ragweed, amaranth, wild watermelon seedlings, polygonum, purslane, nightshade , Cassia, Morning Glory, Cyperus Cyperi, etc. [0004] At present, herbicides in paddy fields are limited by the safety of crops, and the herbicidal spectrum is also ...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01N41/10A01P13/00
CPCA01N47/36A01N41/10A01N2300/00
Inventor 陈叶青石振龙万维肖杨琴张宝俊
Owner NANJING REDSUN
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