Weeding composition for post-emergence of corn

A herbicidal composition and technology of corn seedlings, applied in the direction of biological control chemicals, herbicides and algicides, applications, etc., can solve the problems that the herbicidal composition of bentazone and flufenacet has not yet been found, Reach the effects of reducing the speed of weed resistance, improving control and prolonging the service life

Active Publication Date: 2017-03-08
MAIZE RES INST GUANGXI ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] 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 bentazone and flufenacet has been found.

Method used

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  • Weeding composition for post-emergence of corn
  • Weeding composition for post-emergence of corn
  • Weeding composition for post-emergence of corn

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Flufenacet 34%, bentazone 1%, alkylphenol polyoxyethylene ether 4%, phenethylphenol polyoxyethylene ether 15%, xylene to 100%, prepared according to the mass percentage of the conventional preparation method 35% emulsifiable concentrate.

Embodiment 2

[0032] Flufenacet 29%, Benazone 1%, Sodium Naphthalene Sulfonate Formaldehyde Condensate 6%, Nonylphenol Polyoxyethylene Ether 3%, Magnesium Aluminum Silicate 0.5%, Ethylene Glycol 7%, Phosphate Triphosphate 2% of butyl ester, 0.2% of silicone oil, and the balance of water, the total percentage of all components is 100%. According to the conventional preparation method, it is prepared into a suspending agent with a mass percent content of 30%.

Embodiment 3

[0034] Flufenacet 59%, Benazone 1%, NNO (sodium methylene bis-tetrasulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, kaolin to 100%, prepared according to conventional preparation methods Water-dispersible granules with a mass percent content of 60%.

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Abstract

The invention belongs to the technical field of weed killer research and development and particularly relates to a weeding composition containing flufenacet and bentazone and an application of the weeding composition. The weeding composition for post-emergence of the corn is characterized in that flufenacet and bentazone are taken as effective ingredients and are in a mass proportion of 1-60:1-60. The weeding composition can be used for weeding for post-emergence of the corn and has remarkable effect especially in preventing and removing broadleaved weed and sedge weed in corn fields; compared with single pesticide, the weeding composition has the advantages that on the premise of improved efficacy, weed resistance is delayed, weed control spectrum is wide, lasting period is long, and safety is achieved for the corn and succession crops.

Description

technical field [0001] The invention belongs to the technical field of herbicide research and development, in particular to a herbicidal composition containing flufenacet and bentazone and its application. Background technique [0002] Flufenacet (Flufenacet), molecular formula: C 14 h 13 f 4 N 3 o 2 S, chemical name: 4`-fluoro-N-isopropyl-2-[5-(trifluoroglycoside)-1,3,4-thiadiazo-2-imine]acetamide. Flufenacet mainly acts by inhibiting cell division, and is mainly used for the pre-emergence and post-emergence early stages of some broad-leaved weeds in corn, wheat, barley, soybean and other crop fields. weeding. [0003] Benazone, also known as paicaodan, bentazon, chemical name: 3-isopropyl-(1H)-benzo-2,1,3-thiadiazin-4-one-2,2-dioxide It belongs to benzothiadiazinone herbicides, and its structural formula is: [0004] [0005] Benazone is a photosynthesis inhibitor, a contact-type selective post-emergence herbicide, used for stem and leaf treatment at the seedlin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/88A01N43/824A01P13/00A01G13/00
CPCA01G13/00A01N43/82A01N43/88A01N2300/00
Inventor 吕巨智闫飞燕程伟东石达金范继征唐照磊张玉钟昌松
Owner MAIZE RES INST GUANGXI ACADEMY OF AGRI SCI
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