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Weeding composition containing cyhalofop-butyl, metamifop and propanil

A herbicidal composition, the technology of fenpyramid, applied in the direction of herbicides, algicides, biocides, animal repellents, etc., can solve the problems of ineffectiveness and achieve the effect of slowing down the resistance of weeds

Inactive Publication Date: 2017-11-03
佛山市盈辉作物科学有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In recent years, the resistance of barnyardgrass in water-seeded rice fields has become stronger and stronger. In the middle and lower reaches of the Yangtze River and Northwest China, a resistant barnyardgrass has appeared in an increasing area. This barnyardgrass has a very strong tillering ability. After that, common rice field herbicide ingredients such as cyhalofop-methyl, fenpyramid, bispyribac, and quinclorac were basically ineffective against it.

Method used

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  • Weeding composition containing cyhalofop-butyl, metamifop and propanil
  • Weeding composition containing cyhalofop-butyl, metamifop and propanil
  • Weeding composition containing cyhalofop-butyl, metamifop and propanil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Formulation example 1: 40% cyhalofop-methyl, fenpyramid, propanil dispersible oil suspension concentrate (10:15:15)

[0019] Cyhalofop-methyl 10%

[0020] Methamphetamide 15%

[0021] Propanil 15%

[0022] Alkylphenol formaldehyde resin polyoxyethylene ether 5%

[0023] Castor Oil Ethoxylates 5%

[0024] Phenol polyoxyethylene polyoxypropylene ether 5.5%

[0025] Bentonite 0.8%

[0026] Silica 1.2%

[0027] Citric acid 0.2%

[0028] Soybean oil makes up 100%

[0029] The specific processing steps of the dispersible oil suspension concentrate of the composition are: according to the above formula, 4 / 5 soybean oil, alkylphenol formaldehyde resin polyoxyethylene ether, castor oil polyoxyethylene ether and phenol polyoxyethylene polyoxypropylene ether Mix and stir evenly, add bentonite, white carbon black and citric acid successively under stirring state, and mix evenly by high-speed shearing, then add cyhalofop-ethyl, fenpyramid and propanil, continue shearing and ...

Embodiment 3

[0044] 3. Example 3: 50% cyhalofop-oxazone-propanil suspoemulsion (20:5:25)

[0045] Cyhalofop-methyl 20%

[0046] Methamphetamide 5%

[0047] Propanil 25%

[0048] Xylene 20%

[0049] Alkyl Sulfonate 4%

[0050] Phenylphenol Polyoxyethylene Phosphate 3%

[0051] Alkyl naphthalene sulfonate 3%

[0052] Phenylphenol Ethoxylate 4%

[0053] Sodium chloride 0.8%

[0054] Citric acid 0.4%

[0055] Silicone 0.2%

[0056] Propylene Glycol 3%

[0057] Deionized water makes up 100%

[0058]The specific processing steps of the suspoemulsion of the composition are as follows: mix xylene and cyhalofop-methyl according to the above formula, stir to fully dissolve, add styrene ethylphenol polyoxyethylene ether under stirring state, stir evenly as mixed liquid A to be prepared use. In another mixing kettle, add deionized water, propylene glycol, citric acid, alkylnaphthalene sulfonate and phenethylphenol polyoxyethylene phosphate, stir evenly, add alkylsulfonate and sodium chlori...

Embodiment 2

[0101] Biological Example 2 Field Test of Controlling Weeds in Water Seeded Rice Fields

[0102] In Yanxi Village, Taoyuan County, Changde, Hunan Province, the efficacy test of 50% cyhalofop-methyl, fenpyramid, propanil suspoemulsion (20:5:25) in the control of water-seeded annual grass weeds in Example 3 was carried out. The control effect, effective dosage and safety of the agent on rice field weeds were verified. The experimental crop is water-seeded rice, the rice variety is hybrid early rice, and the control object is barnyardgrass ( Echinochloa crusgalli (L.) Beauv.), Paspalum bitacica ( Paspalum paspaloides (Michx.) Scribn.), weed leaf age 4-5 leaf stage. The test chemicals and dosages are 50% cyhalofop-oxazone-propanil suspoemulsion (20:5:25) 60g / mu, 80g / mu, 100g / mu, 45% cyhalofop-oxazone Methazone (30%+15%) dispersible oil suspension concentrate 100g / mu, 55% cyhalofop-propanil (30%+25%) dispersible oil suspension concentrate 100g / mu, 40% oxazole Grassamine·Propan...

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Abstract

The invention relates to a weeding composition containing cyhalofop-butyl, metamifop and propanil. The weeding composition has synergistic effects, and a weight ratio of the cyhalofop-butyl to the metamifop to the propanil is (10-30):(5-15):(15-25), and preferably (20-30):(10-15):(20-25).

Description

technical field [0001] The invention belongs to the field of compounding herbicides, and in particular relates to a herbicidal composition containing cyhalofop-ethyl, fenpyramid and propannil. The herbicidal composition is efficient and thorough in weeding, easy to use, low in cost, and effective on crops. Safety. Background technique [0002] In recent years, the resistance of barnyardgrass in water-seeded rice fields has become stronger and stronger. In the middle and lower reaches of the Yangtze River and Northwest China, a resistant barnyardgrass has appeared in an increasing area. This barnyardgrass has a very strong tillering ability. After that, the common rice field herbicide ingredients such as cyhalofop-methyl, fenpyramid, bispyribac, and quinclorac were basically ineffective. [0003] Cyhalofop-butyl, a highly safe herbicidal active substance for rice, belongs to the class of aryloxyphenoxypropionic acid herbicides, and acts through the systemic conduction of ste...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/76A01N39/04A01N37/22A01P13/00
CPCA01N37/22A01N39/04A01N43/76A01N2300/00
Inventor 杨鹏董庆文徐志杰尹忠达尚嘉彦杨建江叶宇平
Owner 佛山市盈辉作物科学有限公司
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