Clodinafop-propargyl and fenoxaprop-p-ethyl herbicide composition

A technology of oxazofen and herbicidal compositions is applied in the field of herbicidal compositions to achieve the effects of wide herbicidal spectrum and reduced application dosage

Inactive Publication Date: 2010-05-05
张志高 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the mixed effect of clodinafop...

Method used

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  • Clodinafop-propargyl and fenoxaprop-p-ethyl herbicide composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1 is a dosage form preparation example, and Example 2 is a biological example.

[0020] Example 1:

[0021] a: EC

[0022] Mix 20% of the active component A and 20% of the active component B with 10% alkylphenol polyoxyethylene ether as an emulsifier and 60% toluene as a solvent in the reactor.

[0023] b Wettable powder:

[0024] 20 parts by weight of the effective composition, 2 parts by weight of sodium dodecylbenzene sulfonate used as wetting agent, 10 parts by weight of granular white carbon black as adsorbent, 5 parts by weight of dispersant Sodium lignosulfonate and 63 parts by weight of kaolin are superfinely pulverized in a jet mill.

[0025] c Powder:

[0026] Mix 10 parts by weight of the effective composition and 90 parts by weight of talc powder as an inert substance, and pulverize it uniformly in a high-speed pulverizer.

[0027] d Granules:

[0028] It is made of 20 parts by weight of active ingredient composition, 20 parts by weight of sodium lignosulfonate, ...

Embodiment 2

[0029] Example 2: The control effect of the mixed use of clodinafop-propargyl and fenoxaprop-ethyl on weeds in wheat fields

[0030] Location: Jiangsu, Xinyi

[0031] Application period: 2-3 leaf stage of weeds Investigation: 30 days after application Time: 2008

[0032]

[0033] Conclusion: The actual control effect of the mixed use of clodinafop-propargyl and fenoxaprop is higher than the expected theoretical control effect of its mixed use. At the same time, the herbicidal spectrum can be expanded. Weeding spectrum effect.

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PUM

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Abstract

The invention belongs to the improved herbicide compositions and provides a preparation method and application. The invention is a mixture of a compound (A) and fenoxaprop-p-ethyl and can effectively control annual grass weeds and broadleaf weeds in the wheat fields. The control effects of the invention are remarkably better than the control effects of the single compound (A) or a compound (B), and the application dosages of various active substances are substantially reduced.

Description

Technical field: [0001] The present invention relates to herbicidal compositions with improved properties. Background technique: [0002] The common name of compound (A) is clodinafop and the chemical name is 2-propynyl-(R)-2-4[4-(5-chloro-3-fluoro-2-pyridyloxy)phenoxy] Propionate is a herbicide for wheat fields. The herbicide can effectively control S. sylvestris, wild oats, unreal oats, brachiaria, crabgrass, barnyardgrass, cricket grass, multi-flowered ryegrass, quinoa, common bluegrass, golden foxtail, and setaria , Shimao, and fake sorghum. However, the mixed use of clodinafop-propargyl in wheat fields has not been reported yet. Therefore, the mixed effect of clodinafop-propargyl and fenoxaprop-p-ethyl is unexpected. Summary of the invention: [0003] The herbicidal composition provided by the present invention is characterized in that it comprises component (A) 2-propynyl-(R)-2-4[4-(5-chloro-3-fluoro-2-pyridyloxy)phenoxy Base] propionate, in which the compound (A) as th...

Claims

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Application Information

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IPC IPC(8): A01N43/76A01N43/40A01P13/00
Inventor 张志高尹小根
Owner 张志高
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