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Thiencarbazone and carfentrazone-containing weeding composition and application thereof

A herbicidal composition and technology containing thiazone-methyl, which is applied in the field of herbicides and pesticides, can solve the problem that the herbicide combination of thiazone-methyl and mefentrazone has not been found, can not fully and effectively control weeds in cornfields, and the current season Residual toxicity of crops or subsequent crops, etc., to achieve the effect of improving drug efficacy, safety, and high safety

Inactive Publication Date: 2018-05-25
NANJING REDSUN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, herbicides in cornfields are limited by the safety of crops, and their herbicidal spectrum is also limited. Using a single herbicide alone cannot completely and effectively control the occurrence of weeds in cornfields. 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. Up to now, no herbicidal composition related to the compounding of thiazosulfuron-methyl and mefentrazone has been found.

Method used

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  • Thiencarbazone and carfentrazone-containing weeding composition and application thereof
  • Thiencarbazone and carfentrazone-containing weeding composition and application thereof
  • Thiencarbazone and carfentrazone-containing weeding composition and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Example 1: 35% Metofen-Tensulfuron EC (34:1)

[0023] 34% of mefentrazone, 1% of thiazosulfuron-methyl, 4% of alkylphenol polyoxyethylene ether, 15% of phenethylphenol polyoxyethylene ether, xylene supplemented to 100%, prepared according to the conventional preparation method into 100% 35% emulsifiable concentrate.

Embodiment 2

[0024] Example 2: 30% Metofen-Tensulfuron Suspending Concentrate (29:1)

[0025] Methazone 29%, Thicarbazone 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 are prepared into a suspension concentrate with a mass percentage of 30% according to a conventional preparation method.

Embodiment 3

[0026] Example 3: 60% Methazone-Tensulfuron-methyl Water-dispersible Granules (59:1)

[0027] Methazone 59%, thiazone-methyl 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 thiencarbazone and carfentrazone-containing weeding composition and application thereof. In the weeding composition, thiencarbazone and carfentrazone are used as main effective components; a mass ratio of the thiencarbazone to the carfentrazone is (1: 60) to 60: 1. The weeding composition disclosed by the invention can be used for weeding a corn field, and particularly has an outstanding effect of preventing and removing gramineous and broad-leaved weeds in the corn field. Compared with a single dosage, the weeding composition disclosed by the invention delays the weed resistance on the premise of enhancing the pesticide effect, is wide in weed control spectrum and long in lasting period, and has safety in corns and afterreap 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 thiazosulfuron-methyl and mefentrazone and an application thereof. Background technique [0002] Thiencarbazone-methyl is a sulfonylaminocarbonyl triazolinone herbicide and an inhibitor of acetolactate synthase, which can be used in wheat, corn and other gramineous plants to effectively control broadleaf and gramineous weeds . Thicarbazone-methyl has the advantages of low dosage, high activity and strong selectivity. [0003] Mefentrazone is a selective post-emergence herbicide of triazolinones. Protoporphyrinogen oxidase inhibitors destroy cell membranes by inhibiting protoporphyrinogen oxidase in the process of chlorophyll biosynthesis, causing leaves to dry up and die quickly. Suitable for wheat, soybean, rice, corn and other crops to control broad-leaved weeds such as pig scorpion,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01N43/653A01P13/00
CPCA01N47/36A01N43/653
Inventor 邢刚洪鹏石振龙张宝俊郭祥蕊
Owner NANJING REDSUN
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