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Herbicide composition containing sulfonylurea, pyridine and cyhalofop-butyl and use thereof

A technology of sulfonylureas and cyhalofop-methyl, applied in the field of pesticides, can solve problems such as nutrient consumption, vascular bundle transport function obstruction, stem and leaf growth deformity, etc.

Active Publication Date: 2009-09-16
SHANGYU NUTRICHEM
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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 cyhalofop-butyl and use thereof
  • Herbicide composition containing sulfonylurea, pyridine and cyhalofop-butyl and use thereof
  • Herbicide composition containing sulfonylurea, pyridine and cyhalofop-butyl and use thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0116] Embodiment 1 0.6% wettable powder

[0117] Nicosulfuron 0.2%, clopyralid 0.2%, cyhalofop-methyl 0.2%, sodium dodecylbenzenesulfonate 2.0%, white carbon black 5%, sodium lignosulfonate 10%, The diatomite is supplemented to 100%, fully mixed, and pulverized by an ultra-fine pulverizer to obtain a wettable powder.

Embodiment 2

[0118] Embodiment 2 24% wettable powder

[0119] By weight percentage, 4.0% of sulfuron-methyl, 8.0% of amiloride, 12.0% of cyhalofop-methyl, 5% of sodium polyacrylate, 8% of sodium lauryl sulfate, and light calcium carbonate are supplemented to 100%. Mix and pulverize with a superfine pulverizer to obtain a wettable powder.

Embodiment 3

[0120] Embodiment 3 39% wettable powder

[0121]6.0% metsulfuron-methyl, 24.0% clopyralid, 9.0% cyhalofop-methyl, 2% alkylamido taurate, 5% alkylnaphthalenesulfonic acid formaldehyde condensate, dodecylbenzene Sodium sulfonate 5%, attapulgite to make up to 100%, fully mixed, pulverized by an ultra-fine pulverizer to obtain a wettable powder.

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Abstract

The invention relates to a herbicide composition, containing sulfonylurea or salt thereof, pyridine and cyhalofop-butyl 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 degreefor 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 cyhalofop-methyl 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...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01N37/38A01N43/40A01N43/78A01P13/00
Inventor 薛进春张宁洪营占玉萍路军路凤奇詹福康
Owner SHANGYU NUTRICHEM
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