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Weeding composition containing benzobicyclon and diflufenican, and applications thereof

A herbicidal composition and a technology for benzobicyclic ketone are applied in the fields of herbicides and pesticides, and can solve problems such as inability to completely and effectively control weeds in paddy fields, residual poisoning of current season 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: 2017-09-15
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 combination of herbicides is an effective measure to expand the spectrum of weed control and improve the control effect. So far, no herbicidal composition related to the combination of benzobicyclone and diflufenican has been found.

Method used

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  • Weeding composition containing benzobicyclon and diflufenican, and applications thereof
  • Weeding composition containing benzobicyclon and diflufenican, and applications thereof
  • Weeding composition containing benzobicyclon and diflufenican, and applications thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Example 1: 35% Diflufenamide·Benzobicyclone EC (34:1)

[0023] Diflufenamide 34%, benzobicyclone 1%, alkylphenol polyoxyethylene ether 4%, phenethylphenol polyoxyethylene ether 15%, xylene supplemented to 100%, prepared according to the conventional preparation method The percentage content is 35% emulsifiable concentrate.

Embodiment 2

[0024] Example 2: 30% Diflufenamide·Benzobicyclone Suspension Concentrate (29:1)

[0025] Diflufenamide 29%, Benzobicyclone 1%, Naphthalene Sulfonate Sodium Formaldehyde Condensate 6%, Nonylphenol Polyoxyethylene Ether 3%, Magnesium Aluminum Silicate 0.5%, Ethylene Glycol 7%, Phosphoric Acid 2% of tributyl ester, 0.2% of silicone oil, and the balance of water are formulated into a suspension concentrate with a mass percent content of 30% according to a conventional preparation method.

Embodiment 3

[0026] Example 3: 60% diflufenican·benzobicyclone water dispersible granules (59:1)

[0027] Diflufenamide 59%, benzobicyclone 1%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, kaolin to make up to 100%, according to the conventional preparation method It is prepared as a water-dispersible granule (WDG) with a mass percent content of 60%.

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PUM

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Abstract

The invention discloses a weeding composition containing benzobicyclon and diflufenican, and applications thereof. The weeding composition contains main effective components benzobicyclon and diflufenican 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 diflufenican 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] Diflufenamide belongs to the pyridinamide herbicides, carotenoid biosynthesis inhibitors, leading to chlorophyll damage and cell rupture, plant death. After the weed seeds germinate on the soil surface or very close to the soil surface, they absorb the pesticide through the two ways of young shoots and roots. When the agent is passed upwards, the young shoots are...

Claims

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Application Information

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IPC IPC(8): A01N43/40A01N41/10A01P13/00
CPCA01N43/40A01N41/10A01N2300/00
Inventor 郭崇友万维肖陈叶青高瑞花杨琴
Owner NANJING REDSUN
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