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Weeding composition containing benzobicyclon and cafenstrole and application of weeding composition

A herbicidal composition and a technology for benzobicyclone, applied in the fields of herbicides and pesticides, can solve problems such as inability to completely and effectively control weeds in paddy fields, residual poisoning of current crops or subsequent crops, and no herbicidal compositions have yet been found. , to achieve the effect of improving safety, improving efficacy and reducing resistance

Inactive Publication Date: 2017-10-27
NANJING REDSUN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] 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 mefentrazone has been found.

Method used

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  • Weeding composition containing benzobicyclon and cafenstrole and application of weeding composition
  • Weeding composition containing benzobicyclon and cafenstrole and application of weeding composition
  • Weeding composition containing benzobicyclon and cafenstrole and application of weeding composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Example 1: 35% carfentrazone·benzobicyclone emulsifiable concentrate (34:1)

[0025] 34% of carfentrazone, 1% of benzobicyclic ketone, 4% of alkylphenol polyoxyethylene ether, 15% of phenethylphenol polyoxyethylene ether, xylene supplemented to 100%, prepared according to the conventional preparation method to make 100% 35% emulsifiable concentrate.

Embodiment 2

[0026] Example 2: 30% carfentrazone·benzobicyclic ketone suspension concentrate (29:1)

[0027] Methazone 29%, benzobicyclone 1%, methylnaphthalenesulfonate sodium formaldehyde condensate 6%, nonylphenol polyoxyethylene ether 3%, magnesium aluminum silicate 0.5%, ethylene glycol 7%, triphosphate 2% of butyl ester, 0.2% of silicone oil, and the balance of water are prepared into a suspension concentrate with a mass percentage of 30% according to a conventional preparation method.

Embodiment 3

[0028] Example 3: 60% Metofen-benzobicyclic ketone water dispersible granules (59:1)

[0029] Methazone 59%, benzobicyclone 1%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, kaolin supplemented to 100%, prepared according to conventional preparation methods A water dispersible granule (WDG) with a mass percent content of 60%.

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Abstract

The invention discloses a weeding composition containing benzobicyclon and cafenstrole and application of the weeding composition. The weeding composition comprises the main effective ingredients of benzobicyclon and cafenstrole, and a mass ratio of cafenstrole and benzobicyclon is 1:60-60:1. The weeding composition can be used for weeding a paddy field and particularly has an obvious effect for preventing and weeding gramineae weeds and broadleaf weeds in the paddy field. Compared with a single dosage, on the premise of improving the efficacy, the weeding composition has the effects of delaying the resistance of the weeds, being wide in a weeding spectrum and long in lasting period and being safe for paddies and after-reap crops.

Description

technical field [0001] The invention belongs to the technical field of pesticides, in particular to the field of herbicides, and in particular relates to a herbicidal composition containing benzobicyclone and mefentrazone 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] Cafenstrole, also known as oxazone. Chemical name: N,N-diethyl-3-trimethylbenzenesulfonyl-1H-1,2,4-triazole-1-carboxamide, structural formula: [0004] [0005] Mefentrazone is a triazole herbicide with the following characteristics: ①It has special effects on barnyard grass; ②It is effective on weeds from pre-emergence to three-leaf stage; ③The duration of e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/38A01N41/10A01P13/00
CPCA01N47/38A01N41/10A01N2300/00
Inventor 万维肖邢刚白杰石振龙郭崇友
Owner NANJING REDSUN
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