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Weeding composition containing herbicide O,O-dimethyl-1-(2,4-dichlorophenoxy acetoxy) ethyl phosphonate

A herbicidal composition and a methoxyl technology are applied in the fields of lawn weeding, tea gardens and orchards, and can solve problems such as pyruvate dehydrogenase that have not yet been seen

Inactive Publication Date: 2005-11-23
HUAZHONG NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

No commercial herbicides targeting pyruvate dehydrogenase have been reported so far

Method used

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  • Weeding composition containing herbicide O,O-dimethyl-1-(2,4-dichlorophenoxy acetoxy) ethyl phosphonate
  • Weeding composition containing herbicide O,O-dimethyl-1-(2,4-dichlorophenoxy acetoxy) ethyl phosphonate
  • Weeding composition containing herbicide O,O-dimethyl-1-(2,4-dichlorophenoxy acetoxy) ethyl phosphonate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment A1～A5

[0044] A-1 A-2 A-3 A-4 A-5

[0045] Compound (1) 15% 18% 20% 25% 30%

[0046] Sodium dodecylbenzene sulfate 8% 10% 12%

[0047] Tween 12.5% ​​15%

[0048] Ethylene glycol 2% 3%

[0049] Polyethylene glycol phenolic phosphate 4% 2%

[0050] Dimethylformamide 67.5%

[0051] Acetone 10%

[0052] C 9 ~C 12 Aromatic mixture 60% 68%

[0053] Xylene 15% 51% 52%

[0054] Any desired concentration can be prepared by diluting the above concentrate with water.

Embodiment A6～A9

[0056] A-6 A7 A8 A-9

[0057] Composition 5% 10% 25% 50%

[0058] Sodium dodecylbenzenesulfonate 6% 8% 10% 12%

[0059] Polyethylene glycol ether 4% 2%

[0060] Polyethoxylated Castor Oil 4%

[0061] Cyclohexanone 10% 20%

[0062] C 7 ~C 12 Aromatic mixture 85% 78% 55% 16%

[0063] Any desired concentration can be prepared by diluting the above concentrate with water.

[0064] Table 3 wettable powder (wp) embodiment A10~A13

[0065] A-10 A-11 A-12 A-13

[0066] Composition 5% 25% 40% 80%

[0067] Sodium lignosulfonate 2% 3%

[0068] Sodium Lauryl Sulfate 3% 4% 4%

[0069] Sodium diisobutylbenzenesulfonate 5% 5% 6%

[0070] Octylphenol polyethylene glycol ether (7 ~ 8ml EO) 1% 2%

[0071] Highly dispersed silicic acid 1% 2% 3% 10%

[0072] Kaolin 88% 62% 49%

[0073] The compound is mixed intimately with auxiliaries and the mixture is ground in a suitable mill to obtain a wett...

Embodiment 18

[0087] 90 g of 25% of the compound of formula (I) and 0.4 g of 75% of trisulfuron-methyl dry suspension are fully stirred to obtain 25.2% of the combined herbicide for use.

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PUM

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Abstract

The invention relates to a weed control composition for plant haulm treatment, which comprises compound an and compound b with the general formula (1) as active compositions, wherein b is selected from any of the following compounds, tribenuron-methyl, thifensulfuron methyl, metsulfuron-methyl, chlorsulfuron, bensulfuron-methyl, isoproturon, siduron, quinclorac, mefenacet,.alachlor, acetochlor, butachlor and metolachlor. The invention also discloses the preparation of the weed control composition, the method for weeds removing, and the use of the weed control composition as herbicide for haulm processing.

Description

technical field [0001] This application is a divisional application. The name of the original application is herbicide O,O-dimethyl-1-(2,4-dichlorophenoxyacetoxy)ethylphosphonate and its herbicidal composition. The number is 200310111232.6, and the application date is October 14, 2003. [0002] The present invention relates to herbicidal compositions containing the herbicide O,O-dimethyl-1-(2,4-dichlorophenoxyacetoxy)ethylphosphonate (HW02), and their use as stem and leaf treatment herbicides It is used for field weeding of grass crops such as wheat fields, and for weeding of tea gardens, orchards and lawns. Background technique: [0003] In the previous research, the inventor has researched and invented a class of substituted phenoxyacetoxy alkyl phosphonates A with herbicidal activity (He Hongwu et al., Chinese invention patent, patent number: ZL 971 090 95.5, international patent owner Classification number: CO7F9 / 38), it was found that these compounds showed good herbi...

Claims

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Application Information

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IPC IPC(8): A01N47/14
Inventor 贺红武谭孝松王今红刘钊杰彭浩陈婷
Owner HUAZHONG NORMAL UNIV