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Paddy field weeding composition and application thereof

A herbicidal composition and paddy field technology, applied in the fields of pesticides and herbicides, can solve the problems of compounding of metazafen and fenclofen, etc., and achieve human and animal safety, good environmental compatibility, and delayed resistance Effect

Inactive Publication Date: 2019-07-30
QINGDAO HANSEN BIOLOGIC SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

According to the literature search, there is no relevant report on the compounding of metazafen-sulfone and fenclofen

Method used

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  • Paddy field weeding composition and application thereof
  • Paddy field weeding composition and application thereof
  • Paddy field weeding composition and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Example 1: (30% metazafensulfone-cyclaclofen wettable powder)

[0037] Formula: 15% metazazone sulfone; 15% fenpyrafen; 3% wetting agent sodium lauryl sulfate; 4% dispersant calcium lignosulfonate; 1.5% filler white carbon black; the balance filler kaolin.

Embodiment 2

[0038] Example 2: (40% metazachlor sulfone-cyclaclofen wettable powder)

[0039] Formula: 30% metazafen sulfone; 10% fenpyrafen; 4% wetting agent sodium lauryl sulfate; 5% dispersant calcium lignosulfonate; 3.5% filler white carbon black; the remainder of filler kaolin.

Embodiment 3

[0040] Embodiment 3: (20% metazafen sulfone-cyclaclofen water dispersible granule)

[0041] Formula: 5% metazazone sulfone; 15% fenpyrafen; 4% wetting agent sodium dodecylbenzenesulfonate; 9% dispersant alkylnaphthalene sulfonate formaldehyde condensate; the balance of filler attapulgite.

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PUM

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Abstract

The invention provides a paddy field weeding composition and application thereof, and belongs to the field of weeding agents. After effective components including pyroxasulfone and pyriftalid are compounded, paddy field weed treating and preventing effects are obvious, the chemical preparations have a significant synergistic effect so that the dosage can be reduced, pesticide resistance of weeds to a single preparation is delayed, and the paddy field weeding composition is economical, efficient and environmentally friendly. The paddy field weeding composition includes the effective componentsand auxiliary components, wherein the effective components include pyroxasulfone and pyriftalid, the weight ratio of pyroxasulfone to pyriftalid is 1:(0.1-10), and the total weight percentage of pyroxasulfone and pyriftalid which serve as the effective components in the paddy field weeding composition is 1%-90%; the auxiliary components include carriers and auxiliaries, wherein the carriers are one or more of water, solvent and filler, and the auxiliaries include at least one surface active agent.

Description

technical field [0001] The invention relates to the field of pesticides, in particular to the field of herbicides, in particular to a paddy field herbicide composition and its application. Background technique [0002] Metraxazole sulfone is a new type of isoxazole herbicide. Metrafenazole sulfone was first industrialized jointly by Japan Combination Chemical Company and Japan Anyuan Chemical Company, and was registered in Australia in 2011, and in the United States and Canada in 2012. Metrafenazole can be absorbed by the roots and shoots of weeds, inhibit the early growth of seedlings by destroying the top meristem and coleoptile growth of plants, and can inhibit the elongation of ultra-long-chain fatty acid synthetase to cause effect, and can effectively eliminate Grass weeds such as millet and millet. [0003] Cyclofenac is an early post-emergence broad-spectrum herbicide for rice, specially developed for transplanting and direct-seeding rice, and used to control gramin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/54A01N43/80A01P13/00
CPCA01N43/54A01N43/80
Inventor 贾本凯张黎辉解勇
Owner QINGDAO HANSEN BIOLOGIC SCI
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