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Mixed weeding composition containing acifluorfen and flumetsulam

A technology of flumesulam and acifluorfen, which is applied in the field of herbicides and pesticides, can solve the problems of incomplete and effective control of weeds in paddy fields, residual toxicity of current crops or subsequent crops, and large herbicide consumption To achieve the effect of reducing the speed of weed resistance generation, improving the control effect and long-lasting effect

Inactive Publication Date: 2015-05-06
JINGBO AGROCHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] 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. Uniformity is also likely to cause residual toxicity to current crops or subsequent crops

Method used

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  • Mixed weeding composition containing acifluorfen and flumetsulam
  • Mixed weeding composition containing acifluorfen and flumetsulam
  • Mixed weeding composition containing acifluorfen and flumetsulam

Examples

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Effect test

Embodiment 1

[0029] Acifluorfen 1%, sulfaflufenacil 74%, NNO (sodium methylene bis-tetrasulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, kaolin to 100%, according to the conventional preparation method It is formulated into water-dispersible granules with an active ingredient mass percentage of 75%.

Embodiment 2

[0031] Acifluorfen 42%, Flumesulam 1%, Sodium Naphthalene Sulfonate Formaldehyde Condensate 6%, Nonylphenol Polyoxyethylene Ether 3%, Magnesium Aluminum Silicate 0.5%, Ethylene Glycol 2% , water to 100%, according to the conventional preparation method, it is prepared into a suspending agent with an active ingredient mass percent content of 43%.

Embodiment 3

[0033] Acifluorfen 5%, sulfaflufenacil 80%, NNO (sodium methylene bis-tetrasulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, kaolin to 100%, according to the conventional preparation method It is prepared as a wettable powder with an active ingredient mass percentage of 85%.

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Abstract

The invention discloses a mixed weeding composition containing acifluorfen and flumetsulam. The weeding composition is prepared from the following main effective components: acifluorfen and flumetsulam at the mass ratio of (1-99) to (1-99). The composition disclosed by the invention can be added with different surfactants, thickeners, solvents or solid fillers and the like, and can be processed into a plurality of dosage forms, namely missible oil, a suspending agent, an emulsion in water, wettable powder, dry suspension, a water dispersible granule and wettable powder. The weeding composition is capable of preventing and removing grassy weeds, broadleaf weeds and cyperaceous weeds of a paddy field, compared with single dosage, under the premise of improving pesticide effect, the resistance of weed is delayed, the weed control spectrum is wide, the lasting period is long, and the mixed weeding composition is safe to rice and next-stubble crops, and is an ideal paddy field weed killer.

Description

technical field [0001] The invention belongs to the field of pesticides, in particular to the field of herbicides, and relates to a mixed herbicidal composition of acifluorfen and flumetsulam. The herbicidal composition can be used for post-emergence weeding in paddy fields. Background technique [0002] Acifluorfen, also known as weed net, bean broad water purifier; chemical name: 5-(2-chloro-α,α,α-trifluoro-p-tolyloxy)-2-nitrobenzoic acid . It is a contact-type selective post-emergence herbicide, which can be absorbed by the stems and leaves of weeds, but not absorbed by roots in the soil, and is easily decomposed by microorganisms, so it cannot be used for soil treatment, and it can be used in direct-seeding rice fields. Its structural formula is as follows: [0003] [0004] Flumesulam, chemical name: N-(2,6-difluorophenyl)-5-methyl-1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonamide; 2',6'-difluoro-5-methyl(1,2,4)-triazolo(1,5-a)pyrimidine-2-sulfonanilide, the structur...

Claims

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Application Information

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IPC IPC(8): A01N43/90A01P13/00A01N37/48
Inventor 朱友文王成刘彦燕庆玲许兴志吴磊张元珍
Owner JINGBO AGROCHEM TECH