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Herbicide composition containing sulfonylurea, pyridine and acetochlor and use thereof

A technology of sulfonylureas and compositions, applied in the field of herbicide compositions, can solve the problems of nutrient consumption, vascular bundle transport function obstruction, stem and leaf growth deformity, etc.

Active Publication Date: 2009-09-16
北京颖泰嘉和分析技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Pyridines are heterocyclic herbicides, which are mainly used to control broad-leaved weeds in grass crops and various broad-leaved crops. After spraying the weeds, they are absorbed by the leaves or roots, move up and down in the plant, and quickly Spread to the whole plant, its herbicidal mechanism is to promote the formation of plant nucleic acid and produce excessive ribonucleic acid, resulting in excessive root growth, deformed stem and leaf growth, nutrient consumption, vascular bundle transport function blocked, leading to the death of weeds

Method used

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  • Herbicide composition containing sulfonylurea, pyridine and acetochlor and use thereof
  • Herbicide composition containing sulfonylurea, pyridine and acetochlor and use thereof
  • Herbicide composition containing sulfonylurea, pyridine and acetochlor and use thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0111] Embodiment 1 0.6% wettable powder

[0112] Nicosulfuron 0.2%, clopyralid 0.2%, acetochlor 0.2%, sodium dodecylbenzene sulfonate 2.0%, white carbon black 5%, sodium lignosulfonate 10%, silicon The algae earth is supplemented to 100%, fully mixed, and pulverized by an ultra-fine pulverizer to obtain a wettable powder.

Embodiment 2

[0113] Embodiment 2 41% wettable powder

[0114] Make up 0.5% of rimsulfuron-methyl, 0.5% of amiloride, 40.0% of acetochlor, 5% of sodium polyacrylate, 8% of sodium lauryl sulfate, and light calcium carbonate to 100% by weight, and mix well. Wettable powder can be obtained after being pulverized by an ultra-fine pulverizer.

Embodiment 3

[0115] Embodiment 3 50% wettable powder

[0116] 2.0% metsulfuron-methyl, 8.0% clopyralid, 40.0% acetochlor, 2% alkylamido taurate, 5% alkylnaphthalene formaldehyde condensation, sodium dodecylbenzenesulfonate 5% by weight %, attapulgite to 100%, fully mixed, and pulverized by an ultra-fine pulverizer to obtain a wettable powder.

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PUM

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Abstract

The invention relates to a herbicide composition, containing sulfonylurea or salt thereof, pyridine and acetochlor as active ingredients with the weight ratio of 0.1 to 5: 0.1 to 10: 0.1 to 10. Compared with herbicides with single dose, the weed control effect of the herbicide composition of the invention is obviously improved, thereby reducing the using dosage, reducing the influence degree for the environment while reducing the pesticide cost, simultaneously enlarging weed control spectrum, and having good control efficiency for Gramineae and broadleaf weeds in rice paddy fields.

Description

technical field [0001] The invention belongs to the field of pesticides, and in particular relates to a herbicide composition with sulfonylureas or their salts, pyridines and acetochlor as active ingredients. Background technique [0002] Sulfonylurea herbicides have the characteristics of broad spectrum, extremely low dosage, strong selectivity and low acute and chronic toxicity. These herbicides inhibit acetolactate synthase, prevent the biosynthesis of branched-chain amino acids valine, leucine, and isoleucine, and cause plant cells to stop dividing and growing. The selectivity of crops is caused by the rapid inactivation metabolism of tolerant crops. The degradation of this type of herbicide in soil is through the joint action of urea bridge hydrolysis and microbial degradation, and its hydrolysis is faster in acidic conditions than in alkaline conditions. [0003] Pyridines are heterocyclic herbicides, which are mainly used to control broad-leaved weeds in grass crops...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01N37/26A01N43/40A01N43/78A01P13/00
Inventor 路军薛进春洪营占玉萍张宁路凤奇詹福康
Owner 北京颖泰嘉和分析技术有限公司
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