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Herbicidal composition containing propyrisulfuron and benzobicylon and application of composition

A herbicidal composition and a technology for bicyclosulfuron are applied in the fields of pesticides and herbicides, and can solve the problem that the herbicidal composition of rimosulfuron-methyl and bicyclotrione has not been found yet, the weeds in paddy fields cannot be effectively controlled, and the Residual poisoning of seasonal crops or subsequent crops, etc., to achieve the effects of improving efficacy, reducing speed and improving safety

Inactive Publication Date: 2017-08-11
NANJING HUAZHOU PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, herbicides in paddy fields are limited by the safety of crops, and the herbicidal spectrum is also limited. Using a single herbicide alone cannot completely and effectively control the occurrence of weeds in paddy fields. Too long effective period, excessive dosage or uneven application will easily cause residual toxicity to current crops or subsequent crops
The inventor found through research that the synergistic compounding of herbicides is an effective measure to expand the weed control spectrum and improve the control effect. So far, no herbicidal composition related to the compounding of promasulfuron-methyl and bicyclic sulcotrione has been found.

Method used

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  • Herbicidal composition containing propyrisulfuron and benzobicylon and application of composition
  • Herbicidal composition containing propyrisulfuron and benzobicylon and application of composition
  • Herbicidal composition containing propyrisulfuron and benzobicylon and application of composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Example 1: 35% Bicyclic Sulfotrione·Promethazone-methyl EC (34:1)

[0026] Bicyclic sulcotrione 34%, promasulfuron-methyl 1%, alkylphenol polyoxyethylene ether 4%, phenethylphenol polyoxyethylene ether 15%, xylene supplemented to 100%, prepared according to conventional preparation methods The mass percent composition is 35% emulsifiable concentrate.

Embodiment 2

[0027] Example 2: 30% Bicyclic Sulfotrione Promethazone Suspension Concentrate (29:1)

[0028] Bicyclic sulcotrione 29%, promethazone 1%, sodium methylnaphthalene sulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether 3%, magnesium aluminum silicate 0.5%, ethylene glycol 7%, 2% of tributyl phosphate, 0.2% of silicone oil, and the balance of water are formulated into a suspending agent with a mass percentage of 30% according to a conventional preparation method.

Embodiment 3

[0029] Example 3: 60% Bicyclic Sulfotrione Promethazone-methyl Water-Dispersible Granules (59:1)

[0030] Bicyclic sulcotrione 59%, promasulfuron-methyl 1%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, kaolin supplemented to 100%, according to the conventional preparation Methods Prepare water dispersible granules (WDG) with a mass percentage of 60%.

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Abstract

The invention discloses a herbicidal composition containing promasulfuron-methyl and bicyclic sulcotrione. The mass ratio of sulfuron-methyl is 1:60-60:1. The invention also discloses the application of the herbicidal composition in post-emergence weeding in paddy fields, especially the application in controlling gramineous and broad-leaved weeds in paddy fields. The herbicidal composition of the present invention has significant effect on controlling grass and broad-leaved weeds in paddy fields. Compared with a single agent, it can delay weed resistance under the premise of improving the drug effect, has a broad herbicidal spectrum, and has a long persistence period. It is safe for rice and subsequent crops.

Description

technical field [0001] The invention belongs to the technical field of pesticides, in particular to the field of herbicides, and specifically relates to a binary compound herbicidal composition containing promasulfuron-methyl and bicyclic sulcotrione. The herbicidal composition can be applied to post-emergence weeding in paddy fields. Background technique [0002] Propyrisulfuron (propyrisulfuron), is a selective spectrum herbicide, it has a better control effect on weeds resistant to sulfonylurea herbicides, effective on older barnyardgrass, sedge, broad-leaved grass, can Foliar spray, shake application. [0003] Bicyclic sulcotrione (benzobicylon), chemical name: 3-(2-chloro-4-methylsulfonylbenzoyl)-2-phenylthiobicyclo[3.2.1]oct-2-en-4-one. Structural formula: [0004] [0005] Bicyclic sulcotrione is a bicyclooctane albino post-emergence herbicide for rice, and an inhibitor of p-hydroxyphenylpyruvate magnesium dioxide (HPPD), which has a high selectivity between rice...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01N41/10A01P13/00
CPCA01N47/36A01N41/10
Inventor 郭崇友万维肖张宝俊陈叶青程清云
Owner NANJING HUAZHOU PHARMA
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