Active composition for preventing and eliminating resistant weeds in paddy field and weedicide thereof

A composition and field resistance technology, applied in the direction of herbicides and algicides, chemicals for biological control, biocides, etc., to achieve the effect of broad herbicidal spectrum, reduced dosage, and high herbicidal activity

Inactive Publication Date: 2012-02-08
SINOCHEM LANTIAN +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The post-emergence treatment of fenpyramid at a dose of 9 to 200 gai/ha can effectively control the main weeds in direct seeded rice fields and transplanted rice fields, such as barnyardgrass (Echinochloa crus-galli), da

Method used

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  • Active composition for preventing and eliminating resistant weeds in paddy field and weedicide thereof
  • Active composition for preventing and eliminating resistant weeds in paddy field and weedicide thereof
  • Active composition for preventing and eliminating resistant weeds in paddy field and weedicide thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0042] Embodiment 1: 6% suspoemulsion formula

[0043]

Embodiment 2

[0044] Embodiment 2: 12% suspoemulsion formula

[0045]

[0046] (2) Preparation of emulsion in water

Embodiment 3

[0048] Example 3: 6% water emulsion formulation

[0049]

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Abstract

The invention relates to an active composition for preventing and eliminating resistant weeds, conventional weeds of the grass family and broadleaf weeds in a paddy field. The active composition contains metamifop and bispyribacsodium. The mass ratio of the two active ingredients is (0.5-1):(1-2). The active composition can be prepared into pesticide formulations, such as oil suspending agents, emulsion in water, water dispersible granules, wettable powder and the like. The weedicide composition has higher activity on resistant cockspur grass and broadleaf weeds. The weeding effect on conventional weeds is also obviously higher than single dosages. Simultaneously, the active composition has the advantages of enlarging a weeding spectrum, reducing use amount, increasing crop activity and the like.

Description

technical field [0001] The invention relates to an active composition for controlling resistant weeds in paddy fields, in particular to a herbicide composition containing two active ingredients of bispyribac and fenoxen and its application. Background technique [0002] Bispyribac ether (also known as Nongmeili, bispyribac-sodium), a pyrimidine salicylic acid herbicide developed by Japan Combination Chemical Company, its chemical name: 2,6-bis(4.6-dimethoxypyrimidine-2- oxy)sodium benzoate, CAS accession number [125401-92-5]. The agent is an ALS inhibitor, which is mainly used in the control of monocot and dicotyledonous weeds in rice fields. It can effectively control barnyardgrass and other gramineous weeds in rice fields, and also control most broad-leaved weeds, some sedge weeds and other weeds. agent to produce resistant barnyardgrass. Such as Echinochloa crus-galli, Paspalum paspaloides, Cyperus difformis, Cyperus iria, Monochoria vaginalis, Monochoriamorsakowii , S...

Claims

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Application Information

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IPC IPC(8): A01N43/76A01N43/54A01P13/00
Inventor 徐小燕陈杰董德臻许勇华姚燕飞胡冬松刑家华刘燕君
Owner SINOCHEM LANTIAN
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