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A kind of herbicidal composition containing bentazone and clodinafop-propargyl and its application

A herbicidal composition, clodinafop-propargyl technology, applied in the fields of herbicides and pesticides, can solve the problems of narrow herbicidal spectrum and use restrictions, and achieve the effects of delaying weed resistance, improving safety and improving control effect

Inactive Publication Date: 2011-12-07
NANJING HUAZHOU PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, clodinafop-propargyl must be mixed with safeners during use, and clodinafop-propargyl is ineffective against broad-leaved weeds, and its herbicidal spectrum is relatively narrow, which limits its use

Method used

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  • A kind of herbicidal composition containing bentazone and clodinafop-propargyl and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] 40% of bentazone, 10% of clodinafop-propargyl, 4% of alkylphenol polyoxyethylene ether, 15% of phenethylphenol polyoxyethylene ether, and 100% of xylene, according to the conventional preparation method, the active ingredient mass is 100%. 50% emulsifiable concentrate.

Embodiment 2

[0020] Benazone 2%, clodinafop-propargyl 15%, sodium methylnaphthalene sulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether 3%, magnesium aluminum silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2% of ester, 0.2% of silicone oil, and the balance of water are formulated into a suspending agent with a mass percent content of 17% according to a conventional preparation method.

Embodiment 3

[0022] Benazone 10%, clodinafop-propargyl 60%, NNO (sodium methylene bis-tetrasulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, kaolin to 100%, prepared according to the conventional preparation method 70% water dispersible granules.

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PUM

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Abstract

The invention discloses a herbicidal composition containing bentazone and clodinafop-propargyl. The herbicidal composition uses bentazone and clodinafop-propargyl as main active ingredients, and the mass ratio of bentazone and clodinafop-aparyl is 1-80. : 1-80. The herbicidal composition of the present invention is applied to post-emergence weeding in wheat fields, especially for controlling various gramineous and broad-leaved weeds in wheat fields, and has remarkable effects. Compared with a single dose, the herbicidal composition of the present invention delays weed resistance, has a wide herbicidal spectrum, long duration of action and is safe to wheat and subsequent crops on the premise of improving the efficacy of a single agent.

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 binary compound herbicidal composition of bentazone and clodinafop-propargyl. The herbicide composition can be used for post-emergence weeding in wheat fields. Background technique [0002] Mechasong, also known as Paicaodan and Bendasone. Chemical name: 3-isopropyl-(1H)-benzo-2,1,3-thiadiazin-4-one-2,2-dioxide, the herbicide is a contact type selective post-emergence Herbicides, used in seedling stem and leaf treatments, act by leaf contact. When used in dry fields, it first penetrates into the chloroplast through the leaf surface to inhibit photosynthesis. The use of paddy fields can not only penetrate through the leaves but also absorb through the roots, and then transmit to the stems and leaves, which strongly hinders the photosynthesis and water metabolism of weeds, causes nutrient starvation, and causes physiologi...

Claims

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Application Information

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IPC IPC(8): A01N43/88A01N43/40A01P13/00
Inventor 郭崇友陈金福陈新春韩小军彭永强
Owner NANJING HUAZHOU PHARMA
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