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.
CN101530104AActive Publication Date: 2009-09-16SHANGYU NUTRICHEM
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
SHANGYU NUTRICHEM
Publication Date
2009-09-16

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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.
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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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