A kind of herbicidal composition for paddy rice safety

A herbicidal composition and the technology of the composition are applied in the directions of herbicides, algaecides, biocides, and pest control to achieve the effects of eliminating damage, promoting rice growth, and reducing rice damage.

Active Publication Date: 2019-08-16
JIANGSU FLAG CHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

So far, there is no report that isoxadifen is used to alleviate the phytotoxicity of bispyribac

Method used

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  • A kind of herbicidal composition for paddy rice safety
  • A kind of herbicidal composition for paddy rice safety
  • A kind of herbicidal composition for paddy rice safety

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Embodiment 1: the preparation of bispyribac ether 10% suspension concentrate

[0038]

[0039] Dissolve and mix bispyribac and isoxadifen with a solvent, and then add emulsifier and dispersant to stir and mix.

Embodiment 2

[0040] Example 2: Preparation of bispyribac 20% wettable powder

[0041]

[0042]

[0043] The above components are mixed together, pulverized, stirred and mixed.

Embodiment 3

[0044] Embodiment 3: the preparation of bispyribac ether 40% emulsifiable concentrate

[0045]

[0046] Use a solvent to mix bispyribac and isoxadifen together, then add an emulsifier, and finally add the remaining solvent and stir to mix.

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PUM

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Abstract

The invention discloses an herbicidal composition with safety for rice. The composition comprises two components A and B, wherein the component A is a formula (I) or a formula (II) compound, the component B is a formula (III) or a formula (IV) compound, and the weight ratio of the component A to the component B is 50:1-1:50; the composition is very safe for rice, can reduce damages to rice, and does not influence control effects of a herbicide on weeds, and at the same time the herbicidal composition has a certain promotion effect for growth of rice.

Description

technical field [0001] The invention belongs to the field of herbicides, in particular to a herbicide composition safe for rice. Background technique [0002] Barnyardgrass is a worldwide vicious weed and one of the most dangerous weeds in my country's farmland. According to the "Distribution and Hazards of Major Weeds in Chinese Rice Fields" published by the National Farm Weeds Survey Group, barnyardgrass alone has damaged 14 million hectares of rice fields, making it the most serious weed in my country's rice fields. In recent years, rice barnyardgrass has become increasingly resistant to insecticides. Li Yongbing and Huang Bingqiu summarized the research progress of barnyardgrass resistance in my country, showing that barnyardgrass in paddy fields in my country has been resistant to traditional paddy field herbicides such as propanil, clopyr, butachlor, quinclorac and triazines. have developed resistance. "China Pesticide Science" reported in 2009 that when farmers in s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/54A01N25/32A01P13/00A01P21/00
CPCA01N25/32A01N43/54A01N2300/00
Inventor 侯远昌冯美丽王正旭王豪
Owner JIANGSU FLAG CHEM IND
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