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Synergistic weedicide composition containing clodinafop-propargyl and tribenuron-methyl and preparation method thereof

A composition and technology of trisulfuron, applied in the directions of herbicides and algaecides, botanical equipment and methods, biocides, etc., can solve problems such as phytotoxicity of the next crop, and achieve low preparation cost, good effect, and reduced toxic effects

Inactive Publication Date: 2010-05-12
扬州市苏灵农药化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In recent years, many herbicides in wheat fields have caused phytotoxicity to wheat, and often there are residues that cause phytotoxicity to next crops

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Embodiment 1: Preparation of 20% clodinafop-tribesulfuron-methyl wettable powder

[0018] Clodopagyl 15%

[0019] Tribesulfuron 5%

[0020] Cloclofenac (safener) 2.5%

[0021] Sodium methylene dinaphthalene sulfonate (auxiliary) 3%

[0022] Sodium lignosulfonate (auxiliary agent) 4%

[0023] Sodium dodecylbenzenesulfonate (auxiliary) 1%

[0024] White carbon black (filler) 15%

[0025] Kaolin (Filler) Top up 100%

[0026] Weigh the materials according to the above weight ratio, add each material successively under stirring, after stirring and mixing uniformly, airflow pulverization, and then stir to obtain the product after 30 minutes, carry out the field drug efficacy test of preventing and controlling wheat field weeds, the drug effect is better, and the control effect is better. Efficiency is above 85%.

[0027] It has been determined that 20% clodinafop-tribesulfuron-methyl WP has a good killing effect on weeds in wheat fields, and the average control effect ...

Embodiment 2

[0028] Embodiment 2: Preparation of 15% clodinafop-tribesulfuron-methyl wettable powder

[0029] Clodopagyl 10%

[0030] Tribesulfuron 5%

[0031] Cloclofenac (safener) 2.5%

[0032] Sodium methylene dinaphthalene sulfonate (auxiliary) 4%

[0033] Sodium lignosulfonate (auxiliary) 3%

[0034] Sodium dodecylbenzenesulfonate (auxiliary) 0.5%

[0035] White carbon black (filler) 10%

[0036] Kaolin (Filler) Top up 100%

[0037] Hexaflumuron 8%

[0038] NP-10 (emulsifier) ​​6%

[0039] Nongru 600 (emulsifier) ​​7%

[0040] Isophorone (solvent) 15%

[0041] Dimethylformamide (solvent) 15%

[0042] Xylene (solvent) 45%

[0043] Weigh the materials according to the above weight ratio, add each material successively under stirring, after stirring and mixing uniformly, airflow pulverization, and then stir to obtain the product after 30 minutes, carry out the field drug efficacy test of preventing and controlling wheat field weeds, the drug effect is better, and the control e...

Embodiment 3

[0045] Embodiment 3: Preparation of 12.5% ​​clodinafop-tribesulfuron-methyl wettable powder

[0046] Clodopagyl 10%

[0047] Tribesulfuron 10%

[0048] Cloclofenac (safener) 2.5%

[0049] Sodium methylene dinaphthalene sulfonate (auxiliary) 3.5%

[0050] Sodium lignosulfonate (auxiliary) 2.5%

[0051] Sodium dodecylbenzenesulfonate (auxiliary) 1%

[0052] White carbon black (filler) 10%

[0053] Kaolin (Filler) Top up 100%

[0054] Weigh the materials according to the above weight ratio, add each material successively under stirring, after stirring and mixing uniformly, airflow pulverization, and then stir to obtain the product after 30 minutes, carry out the field drug efficacy test of preventing and controlling wheat field weeds, the drug effect is better, and the control effect is better. Efficiency is above 85%.

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Abstract

The invention discloses a synergistic weedicide composition containing clodinafop-propargyl and tribenuron-methyl and a preparation method thereof and relates to a composition for preventing and controlling weeds in wheat paddocks. The synergistic weedicide composition comprises clodinafop-propargyl, tribenuron-methyl and additives. By mixing the clodinafop-propargyl and the tribenuron-methyl, the invention keeps the advantages of broad weeding spectrum and good control effect on weeds of the clodinafop-propargyl and the tribenuron-methyl, overcomes the existing disadvantages, reduces the poison to other living things, enhances the quick action, extends the lasting period, broadens the weeding spectrum and reduces the cost. The composition is different from other existing weedicides and can defer the generation of weedicide resistance. In addition, the composition has a small residual quantity which ensures the environmental safety, so that goals of increasing agricultural yields and revenues and ensuring safe production of food are achieved. The synergistic weedicide composition is a comparatively ideal agricultural chemical for preventing and controlling weeds in wheat paddocks.

Description

technical field [0001] The invention relates to a composition for controlling weeds in wheat fields, in particular to a synergistic herbicide composition containing clodinafop and tribenuron-methyl and a preparation method thereof. Background technique [0002] Weeds are an important cause of harming wheat production, and weeds must be controlled in order to increase the yield of wheat. [0003] Clodinafop-propargyl Fipronil is a new generation of high-efficiency wheat field herbicide used for post-emergence stem and leaf treatment. Weeds have excellent and stable control effects, are resistant to low temperature, resistant to rain erosion, have a wide application period, and are safe for wheat and subsequent crops. This product is rapidly degraded in the soil, basically inactive in the soil, and has no effect on subsequent crops. In addition, the acute oral LD501829mg / kg (rat), >2000mg / kg (mouse) of clodinafopargyl; the acute percutaneous LD502000mg / kg of the rat; no i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01N43/40A01N25/14A01P13/00
Inventor 张友明韩宝余张新建许义彬韩俊秀
Owner 扬州市苏灵农药化工有限公司
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