A herbicidal composition containing bentazone and 2,4-dichlorophenoxyacetic acid and its application

A technology of dichlorophenoxyacetic acid and herbicidal composition, applied in the fields of herbicides and pesticides, can solve problems such as use restriction, insufficient herbicidal spectrum, etc., and achieve the effects of improved safety, high herbicidal activity, and reduced use content

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, it is ineffective against grass weeds, and the weeding spectrum is not wide enough, so its use is limited.
And long-term use, plants develop resistance

Method used

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  • A herbicidal composition containing bentazone and 2,4-dichlorophenoxyacetic acid and its application
  • A herbicidal composition containing bentazone and 2,4-dichlorophenoxyacetic acid and its application
  • A herbicidal composition containing bentazone and 2,4-dichlorophenoxyacetic acid and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Benazone 25%, 2,4-D 5%, sodium dodecylbenzene sulfonate 5%, alkylphenol polyoxyethylene ether 3%, water to 100%, according to the conventional preparation method to prepare the active ingredient mass The percentage content is 30% water agent.

Embodiment 2

[0023] Benazone 20%, 2,4-D30%, NNO (sodium methylene bis-tetrasulfonate) 8%, sodium dodecylbenzenesulfonate 5%, alkylphenol polyoxyethylene ether 3%, water to 100%, according to the conventional preparation method, it is prepared into a soluble powder whose active ingredient mass percent content is 50%.

Embodiment 3

[0025] Benazone 15%, 2,4-D60%, wetting agent 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, kaolin to 100%, according to the conventional preparation method, the active ingredient mass percentage content is 75% % water dispersible granules.

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PUM

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Abstract

The invention discloses a herbicidal composition containing bentazone and 2,4-dichlorophenoxyacetic acid. The herbicidal composition uses bentazone and 2,4-dichlorophenoxyacetic acid as main active ingredients. The mass ratio of pine to 2,4-dichlorophenoxyacetic acid is 1-80:1-80. The herbicidal composition of the present invention is applied to post-emergence weeding in wheat and paddy fields, especially for controlling broad-leaved weeds in wheat and paddy 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] This patent belongs to the technical field of pesticides, especially the field of herbicides, and relates to a binary compound of bentazone and 2,4-dichlorophenoxyacetic acid. The herbicide composition can be used for post-emergence weeding of wheat. Background technique [0002] Bentazone, a urea herbicide, chemical name: 3-isopropyl(1H)-benzo-2,1,3-thiadiazin-4-(3H)-one 2,2 di Oxide, its structural formula is: [0003] [0004] Benedazone is a contact-type selective post-emergence herbicide, used for stem and leaf treatment at the seedling stage, and works through leaf contact. When used in dry fields, it first penetrates into the chloroplast through the leaf surface to inhibit photosynthesis. The active ingredients are detoxified by metabolizing to weakly active sugar conjugates in tolerant crops, which is safe for crops, and bentazone can be decomposed by microorganisms in the soil 6-18 weeks after application. Control and control pig worms,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/88A01N39/04A01P13/00
Inventor 郭崇友彭永强邢平陈新春张宝俊
Owner NANJING HUAZHOU PHARMA
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