Benazolin/metazachlor weedicide composition

A technology of herbicide metazachlor and herbicidal composition, applied in the directions of herbicides, algaecides, biocides, animal repellents, etc., can solve the unpredictable mixing effect, which has not been mentioned in domestic and foreign patents and other problems, to achieve the effect of reducing the application dose and widening the herbicidal spectrum

Inactive Publication Date: 2010-03-17
张志高 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This herbicide can effectively control broad-leaved weeds such as chickweed, cow chickweed, and cattail in the rapeseed field, but it has not been mentioned in domestic and foreign patents for its mixed use with metazachlor; therefore, its combination with other compounds The mixing effect is unpredictable

Method used

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  • Benazolin/metazachlor weedicide composition
  • Benazolin/metazachlor weedicide composition
  • Benazolin/metazachlor weedicide composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Embodiment 1 is a dosage form preparation example, and embodiment 2 is a biological embodiment,

[0020] Example 1:

[0021] a: Suspending agent

[0022] 15% active ingredient A and 20% active ingredient B with 5% carboxylate as emulsifier, JFC as wetting agent, 3% dodecylbenzenesulfonic acid as dispersant and 3% n-butanol as a defoamer is mixed sequentially and ground in a colloid mill until the particle size is below 5 microns.

[0023] b wettable powder:

[0024] With 40 parts of weight of effective composition and 2 parts of weight of sodium dodecylbenzenesulfonate as wetting agent, 10 parts of weight of granular white carbon black as adsorbent, 5 parts of weight of sodium dodecylbenzene sulfonate as dispersant Sodium lignosulfonate and 43 parts by weight of kaolin are ultrafinely pulverized in a jet mill.

[0025] c powder:

[0026] It is prepared by mixing 10 parts by weight of the effective composition and 90 parts by weight of talcum powder as an inert subs...

Embodiment 2

[0029] Example 2, the control effect of grass-cutting and metazachlor mixed with weeds in rapeseed field

[0030] Location: Jiangsu, Xinyi

[0031] Application period: Weed 2-3 leaf stage investigation: 30 days after application: 2008

[0032]

[0033] CONCLUSION: The actual control effect of the mixed use of Metazachlor and Mezazalam is higher than the expected theoretical control effect of the mixed use, and the herbicidal spectrum can be expanded at the same time, which proves that the mixed use of Metazachlor and Mezazalam has synergistic effect and expands the herbicidal spectrum.

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PUM

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Abstract

The invention provides a benazolin / metazachlor weedicide composition, belonging to the improved weedicide compositions. The invention also provides a preparation method and application of the composition. The composition is a mixture of a compound (A) benazolin and a compound (B) metazachlor and can effectively prevent and kill off the annual grass weeds, such as crabgrass, barnyard grass, bluegrass, green bristlegrass and the like, and the broadleaf weeds, such as amaranthaceae, chamomile, matricary, polygonaceae, mustard, solanaceae, chickweed, catchweed bedstraw, xanthium sibiricum patrin,amaranthus ragweed, smartweed, speedwell and the like. The control effect of the composition is obviously better than that of the single compound (A) or compound (B), thus substantially reducing the application dosage of various active substances.

Description

Technical field: [0001] The present invention relates to herbicidal compositions having improved properties. Background technique: [0002] The common name of the compound (A) is Caobuling, and the chemical name is 4-chloro-2-oxobenzothiazepine-3-ylacetic acid, which is a selective systemic conduction type post-emergent herbicide. This herbicide can effectively control broad-leaved weeds such as chickweed, cow chickweed, and cattail in the rapeseed field, but it has not been mentioned in domestic and foreign patents for its mixed use with metazachlor; therefore, its combination with other compounds Mixing effects are unpredictable. Invention content: [0003] The herbicidal composition provided by the present invention is characterized in that it includes component (A) 4-chloro-2-oxobenzothiazepine-3-ylacetic acid, wherein as effective component compound (A) and at least one specific Other herbicidal compounds (B). [0004] Herbicide (A) [0005] [0006] Metazachlo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/78A01N43/56A01P13/00
Inventor 张志高尹小根
Owner 张志高
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