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Benzobicyclon-containing herbicide and preparation process thereof

A bicyclic sulcotrione and herbicide technology, applied in the direction of herbicides, algicides, biocides, biocides, etc., can solve the problem of long residual time of oxentrazone and the insufficient effective time of bicyclic sulcotrione for weed control Issues such as the period of validity and the impact on crop planting, to achieve the effect of shortening the residual time, increasing the effective period, and increasing the period of validity

Inactive Publication Date: 2020-10-30
ANHUI SIDA PESTICIDE CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the compatible products are all medicines with a similar period of effective time, and they do not act at the same time as medicines with a long residual time and long effective time. The effective time of ketone is 6 to 8 weeks, and the crop growth cycle is generally 3 to 6 months. The effective time of bicyclic sulcotrione alone cannot meet the weeding validity period required in the growth process of crops, and the residual time of oxentrazone is long, which affects Next season crops planted

Method used

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  • Benzobicyclon-containing herbicide and preparation process thereof
  • Benzobicyclon-containing herbicide and preparation process thereof
  • Benzobicyclon-containing herbicide and preparation process thereof

Examples

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Effect test

Embodiment 1

[0023] refer to Figure 1 to Figure 2 , the herbicide containing bicyclic sulcotrione is composed of the following components by mass percentage: main agent: auxiliary agent=100:5, wherein the main agent is composed of the following components by mass percentage: 94% of bicyclic sulcotrione , adsorption carrier 2%, fenflumezone 3% and hydroxyl-terminated photoinitiator 1%, the adsorption carrier is an adsorption component, nano-montmorillonite powder and ionic polymer mixture, wherein the adsorption component is fatty alcohol polyoxygen One or more of vinyl ether, methylene bisacrylamide and propylene glycol butyl ether, the adsorptive carrier contains 1.2% ionic polymer, and the ionic polymer is a mixture of two or more metal oxides .

[0024] The auxiliary agent is composed of the following components in mass percentage: 10% wetting agent, 20% dispersing agent, 2% defoaming agent, 1% adhesive, 12% disintegrating agent, 12% emulsifying agent and 12% PH regulator , the balan...

Embodiment 2

[0030] refer to Figure 1 to Figure 2, the herbicide containing bicyclic sulcotrione is composed of the following components by mass percentage: main agent: auxiliary agent=100:5, wherein the main agent is composed of the following components by mass percentage: 85% of bicyclic sulcotrione , safener 3%, adsorptive carrier 4%, fenflumezone 7% and hydroxyl-terminated photoinitiator 1%, said adsorptive carrier is adsorption component, nano-montmorillonite powder and ionic polymer mixture, wherein the adsorption component It is one or more of fatty alcohol polyoxyethylene ether, methylene bisacrylamide and propylene glycol butyl ether, and the adsorption carrier contains 1.2% ionomer, and the ionomer is two or more A mixture of metal oxides.

[0031] The auxiliary agent is composed of the following components in mass percentage: 10% wetting agent, 20% dispersing agent, 2% defoaming agent, 1% adhesive, 12% disintegrating agent, 12% emulsifying agent and 12% PH regulator , the bal...

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Abstract

The invention discloses a benzobicyclon-containing herbicide and a preparation process of the herbicide, and belongs to the technical field of herbicides. The benzobicyclon-containing herbicide is composed of a main agent and an auxiliary agent at the mass ratio of 100:5; wherein the main agent is composed of, by mass, 85-94% of benzobicylon, 0-3% of a safener, 2-4% of an adsorptive carrier, 3-8%of topramezone and 1-1.2% of a hydroxyl-terminated photoinitiator, and the auxiliary agent is prepared from the following components in percentage by mass: 1 to 18 percent of a wetting agent, 6 to 36percent of a dispersing agent, 1 to 5 percent of a defoaming agent, 1 to 1.2 percent of an adhesive, 2 to 24 percent of a disintegrating agent, 10 to 25 percent of an emulsifying agent, 10 to 15 percent of a PH regulator and the balance of an environment-friendly oil-based solvent. According to the herbicide, the benzobicyclon with short action time and the topramezone with long residual time areintegrated to form the herbicide of which the action time is matched with the growth cycle of crops, and the planting of the crops in the next season is not influenced.

Description

technical field [0001] The invention relates to the technical field of herbicides, in particular to herbicides containing bicyclic sulcotrione and its preparation process. Background technique [0002] Bicyclic sulcotrione, chemical name 3-(2-chloro-4-methanesulfonylbenzoyl)-2-phenylthiobicyclo[3.2.1]oct-2-en-4-one, is manufactured by Japan Stein The novel bicyclooctane albino post-emergent herbicide for paddy fields researched and developed by Shi Bioscience Co., Ltd. is mainly absorbed through the roots and stem bases of weeds, and then transmitted to the whole plant. Bicyclic sulcotrione is a p-hydroxyphenylpyruvate dioxygenase (HPPD) inhibitor. By inhibiting HPPD, it affects the synthesis of plastoquinone, and then plastoquinone acts on phytoene dehydrogenase (PDS). This will eventually affect the biosynthesis of carotenoids and cause the leaves to bleach. It is a selective herbicide, which is absorbed by the roots and stems of weeds, and then transmitted to the whole ...

Claims

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Application Information

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IPC IPC(8): A01N41/10A01N25/10A01N43/80A01P13/00
CPCA01N25/10A01N41/10A01N43/80
Inventor 朱宏庆邰志玲孙晓玲
Owner ANHUI SIDA PESTICIDE CHEM