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Synergistic weeding composition containing fluroxypyr

A technology of fluroxypyr and herbicidal composition, which is applied in the direction of herbicide, algicide, biocide, animal repellent, etc., can solve the problem of low effect and achieve the effect of expanding the herbicidal spectrum

Inactive Publication Date: 2012-01-18
GAUNGXI TIANYUAN BIOCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The core of the chemical structure of substituted urea herbicides is urea. Different substituents on amino groups in urea molecules form different substituted urea herbicides, also known as urea herbicides. They mainly control annual weeds, especially for Effective against broadleaf weeds, less effective against perennial weeds

Method used

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  • Synergistic weeding composition containing fluroxypyr
  • Synergistic weeding composition containing fluroxypyr

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Formulation example 1: 6% fluroxypyr-2-methyl-4-chloropropionic acid (1:5) microemulsion

[0020] Dissolve 10 grams of fluroxypyr and 50 grams of 2-methyl-4-chloropropionic acid in 120 grams of methanol, add 30 grams of alkylbenzene sulfonate, 100 grams of phenylphenol polyoxyethyl ether, and phenylethylphenol formaldehyde Resin polyoxyethyl ether 20 grams, ethylene glycol 20 grams, silicone resin 1 gram, deionized water 649 grams. After dissolving fluroxypyroxyacetic acid and 2-methyl-4-chloropropionic acid with solvent methanol, add additives such as alkylbenzene sulfonate, phenylphenol polyoxyethyl ether, phenylethylphenol formaldehyde resin polyoxyethyl ether After stirring evenly, add the mixed solution of ethylene glycol, organosilicon resin and water while stirring again, and after stirring for 30 minutes, a transparent liquid can be obtained, and 6% fluroxypyr: 2-methyl-4-chloropropionic acid ( 1:5) microemulsion.

Embodiment 2

[0021] Formulation example 2: 12% fluroxypyr acetic acid. 2, 4 drops of dimethylamine salt (2:10) suspension

[0022] Pump 740 grams of vegetable oil into the container, add 30 grams of phenylethylphenol formaldehyde resin polyoxyethyl ether, 40 grams of polyethers, 50 grams of sopa270, and 20 grams of osmotic T into the container, and then add 20 grams of chlorofluorocarbons while stirring Pyroxyacetic acid, 100 grams of 2, 4 drops of dimethylamine salt. Then shear at high speed for 30 minutes to mix the materials evenly. Turn on the circulating water to control the sand mill below 40 degrees, the material is sand milled, and the fineness is passed through a 325 mesh sieve to obtain 12% fluroxypyr: 2, 4 drops of dimethylamine salt (2: 10) suspension.

Embodiment 3

[0023] Formulation example 3: 20% fluroxypyr. High 2-methyl-4-chloropropionic acid (2:18) wettable powder

[0024] Put 20 grams of fluroxypyr, 180 grams of chloropropionic acid, 30 grams of NNO, 50 grams of lignin, 150 grams of white carbon black, 250 grams of bentonite, and 320 grams of kaolin into the mixer in turn, and stir for 30 minutes Mix the materials evenly, and then pass through the jet mill, and the fineness of the materials should pass through a 325-mesh sieve. Then the materials were mixed and stirred again in the mixer to obtain 20% fluroxypyr: high 2-methyl-4-chloropropionic acid (2:18) wettable powder.

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PUM

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Abstract

The invention relates to a synergistic weeding composition containing fluroxypyr, which is characterized by comprising compound A of fluroxypyr, compound B of phenoxy carboxylic acid and benzoic acid herbicides and substituted urea herbicide, wherein the weight percentage of the compound A and the compound B is 1 to 30 : 5 to 60. The composition can be widely used for preventing and curing broad-leaf weed in gramineous crop fields such as wheat, rice, corn and the like, can improve the prevention effect and can enlarge the weeding spectrum, is safe to the crops and has high efficiency.

Description

technical field [0001] The invention relates to a pesticide composition, in particular to a synergistic herbicidal composition containing fluroxypyr. Background technique [0002] Fluroxypyr, other name: Shitalon, chemical name: 4-amino-3.5-dichloro-6-fluoro-pyridine-2-oxyacetic acid, developed and produced by Dow AgroSciences Company Organic heterocyclic selective systemic herbicides for post-emergence conduction, quickly absorbed by plants after treatment, causing sensitive plants to respond to typical hormone herbicides, deformed, twisted plants, and eventually withered. It is suitable for controlling broad-leaved weeds in wheat, barley, corn, grapes, orchards, pastures, woodlands, lawns, etc.; Ineffective against grass weeds. [0003] Phenoxycarboxylic acid and benzoic acid herbicides are the earliest synthetic herbicides. After the strong physiological activity of 2,4-D was discovered as early as the 1940s, the first systemic herbicide was successfully developed. A s...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01N47/30A01N47/28A01N43/40A01N39/04A01N37/02A01P13/00
Inventor 李晓红李现玲王战清赵彦超谢瑞英
Owner GAUNGXI TIANYUAN BIOCHEM
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