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Weeding agent composition containing pentafluorosurochlor and pyrimethuron

A technology of penoxsulam and pyrimifen, applied in the field of pharmaceutical compounds, can solve problems such as water quality degradation, unfavorable weed control, soil pollution, etc., and achieve the effects of improving control and ensuring normal growth

Inactive Publication Date: 2019-01-01
安徽圣丰生化有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a herbicide composition of penoxsulam and pyriflubac, which can effectively solve the problem of the emergence of herbicide-resistant weed plants, soil pollution, water quality and Degradation, and damage to non-weed organisms, etc., which are not conducive to weeding

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The present invention provides a technical solution, a herbicide composition of penoxsulam and pyrizamid, which comprises the following formula composition: penoxsulam, pyrizamid and oxazicone, mixed in a certain proportion , the formula is made of the following raw materials in parts by weight: 3-7 parts by weight of penoxsulam, 3-6 parts by weight of pyriflumexime, and 5-9 parts by weight of oxaziclozone.

[0025] According to the above technical scheme, the preparation method of penoxsulam: under the protection of nitrogen, dissolve sodium hydride in 1,2-methoxyethane, cool to 10°C in an ice bath, add intermediates, and react slightly Exothermic, cool to 6°C with an ice bath, after 10 minutes, add 2,2-difluoroethanol, the reaction is slightly exothermic, after about 1 hour, remove the ice bath, the temperature rises to about 28°C, the reaction solution is stirred overnight, At 5-10°C, add 5% hydrochloric acid into the reaction solution, cool it in an ice bath, stir t...

Embodiment 2

[0028] The present invention provides a technical solution, a herbicide composition of penoxsulam and pyriflubac-methyl, which comprises the following formula composition: penoxsulam, pyrimiflubac-methyl and pyrazosulfuron-methyl, mixed in a certain proportion Composition, the formula is made of the following raw materials in parts by weight: 3-7 parts by weight of penoxsulam, 3-6 parts by weight of pyriflumefen, and 4-8 parts by weight of closulfuron-methyl.

[0029] According to the above technical scheme, the preparation method of penoxsulam: under the protection of nitrogen, dissolve sodium hydride in 1,2-methoxyethane, cool to 10°C in an ice bath, add intermediates, and react slightly Exothermic, cool to 6°C with an ice bath, after 10 minutes, add 2,2-difluoroethanol, the reaction is slightly exothermic, after about 1 hour, remove the ice bath, the temperature rises to about 28°C, the reaction solution is stirred overnight, At 5-10°C, add 5% hydrochloric acid into the rea...

Embodiment 3

[0036] The present invention provides a technical solution, a herbicide composition of penoxsulam and pyrizachlor, which comprises the following formula composition: penoxsulam, pyrizachlor and pretilachlor, mixed in a certain proportion, The formula is made of the following raw materials in parts by weight: 3-7 parts by weight of penoxsulam, 3-6 parts by weight of pyrizachlor, and 20-40 parts by weight of pretilachlor.

[0037] According to the above technical scheme, the preparation method of penoxsulam: under the protection of nitrogen, dissolve sodium hydride in 1,2-methoxyethane, cool to 10°C in an ice bath, add intermediates, and react slightly Exothermic, cool to 6°C with an ice bath, after 10 minutes, add 2,2-difluoroethanol, the reaction is slightly exothermic, after about 1 hour, remove the ice bath, the temperature rises to about 28°C, the reaction solution is stirred overnight, At 5-10°C, add 5% hydrochloric acid into the reaction solution, cool it in an ice bath, ...

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Abstract

The invention discloses a weeding agent composition containing pentafluorosurochlor and pyrimethuron, and relates to the technical field of medicine compositions. The weeding agent composition comprises primary active components and a secondary active component, wherein the primary active components comprise the following components in parts by mass: 5 to 7 parts of pentafluorosurochlor and 3 to 6parts of pyrimethether; the secondary active component is selected from the following components in parts by mass: 4 to 8 parts of halosulfuron-methyl, 5 to 9 parts of oxaziclomefone, 20 to 40 partsof pretilachlor, 10 to 30 parts of quinclorac, and 2 to 6 parts of pyrazosulfuron-ethyl; the second active component is selected from one of halosulfuron-methyl, oxaziclomefone, pretilachlor, quinclorac, and pyrazosulfuron-ethyl. The weeding agent composition containing pentafluorosurochlor and pyrimethuron can effectively solve the problems of emerging of resistance weed plants, soil pollution, degradation of water quality, danger to non-weed organisms, and failure in weeding in the existing weeding agent.

Description

technical field [0001] The invention relates to the technical field of pharmaceutical compounds, in particular to a herbicide composition of penoxsulam and pyriflubac. Background technique [0002] There are 30,000 species of weeds widely distributed in the world, and about 1,800 species cause different degrees of damage to crops every year. The annual crop yield reduction due to weed damage is as high as 9.7%. Herbicides can make weeds occur completely or selectively. Dead agents, also known as herbicides, are a class of substances used to destroy or inhibit plant growth. Commonly used herbicides are organic compounds, which can be widely used to control harmful plants such as weeds, shrubs, and trees in farmland, orchards, flower nurseries, grasslands and non-cultivated land, railway lines, rivers, reservoirs, warehouses, etc. The use of herbicides to effectively control many weeds, but the extensive use of chemical agents has also caused a series of problems, such as the...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01N43/90A01N43/54A01N43/86A01N37/22A01N43/42A01P13/00C07D487/04C07D403/12C07D239/22
CPCA01N37/22A01N43/42A01N43/54A01N43/86A01N43/90A01N47/36C07D239/22C07D403/12C07D487/04
Inventor 李冰清李玉洁
Owner 安徽圣丰生化有限公司
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