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Isoproturon-containing herbicide composition for wheat field

A composition and herbicide technology, applied in the directions of herbicides, algaecides, biocides, biocides, etc., can solve the problems of poor control effect, no herbicidal composition has been found, and achieve the reduction of dosage and delay of single dose. Occurrence and development of resistance, effects of avoiding effects

Inactive Publication Date: 2018-06-22
SHANDONG BINNONG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Patent CN201710104791.6 discloses that the combination of isoproturon, flufenacet and clopyrazosulfuron-methyl is used for weeding in wheat fields, and it has special effects on Alopecia chinensis and pig's weeds, but the composition has a control effect on some gramineous weeds poor
No herbicidal composition compounded with metazazone, isoproturon and chlorpyrazosulfuron has been found yet

Method used

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  • Isoproturon-containing herbicide composition for wheat field
  • Isoproturon-containing herbicide composition for wheat field
  • Isoproturon-containing herbicide composition for wheat field

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] Formulation example 1: 35% metazazole sulfone · isoproturon · clopyrazosulfuron wettable powder

[0057] Weigh 4% metazazone sulfone, 29% isoproturon, 2% pyrazosulfuron-methyl, 2% sodium lauryl sulfate, 3% sodium lignosulfonate, 3% white carbon black, kaolin to make up to 100 %, through conventional methods for preparing wettable powders, that is, pre-mixing, jet milling, and post-mixing, to obtain 35% metazazolesulfone·isoproturon·closulfuron-methyl wettable powder.

Embodiment 2

[0058] Formulation example 2: 48% metazazole sulfone · isoproturon · chlorpyrazosulfuron wettable powder

[0059] Weigh 8% metazazone sulfone, 28% isoproturon, 12% pyrazosulfuron-methyl, 3% alkylnaphthalene sulfonate, 4% polycarboxylate, 3% white carbon black, and diatomaceous earth to make up to 100%, through the conventional method for preparing wettable powder, that is, pre-mixing, jet milling, and post-mixing, a 48% wettable powder of metazazole sulfone, isoproturon, and closulfuron-methyl was obtained.

Embodiment 3

[0060] Formulation example 3: 17% metazazol sulfone · isoproturon · chlorpyrazosulfuron water dispersible granules

[0061] Weigh 9% metazazone sulfone, 5% isoproturon, 3% pyrazosulfuron-methyl, 4% polycarboxylate, 2% naphthalenesulfonate, 1% sodium alginate, 0.5% hydroxyethyl cellulose , bentonite is supplemented to 100%, through the conventional method for preparing water-dispersible granules, that is, pre-mixing, jet milling, post-mixing, adding water and kneading, granulating, and sieving to obtain 17% metazazole sulfone. Isoproturon. Clopyr rimsulfuron-methyl water-dispersible granules.

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Abstract

The invention specifically relates to a herbicide composition with pyroxasulfone, isoproturon and halosulfuron-methyl as active ingredients, belonging to the technical field of pesticides. A weight ratio of the active ingredients consisting of pyroxasulfone, isoproturon and halosulfuron-methyl in the herbicide composition is (3-48): (21-336): (1.25-20), and the content of the active ingredients inthe herbicidal composition is 5-85%. The herbicide composition of the invention has synergistic effect; and compared with separate usage of each individual active ingredient or combined usage of anytwo of the active ingredient, the herbicide composition of the invention has the advantages of obviously improved herbicidal effect, a broadened herbicidal spectrum, lowered usage amount, reduced environmental pollution and capacity of delaying occurrence of drug resistance of weeds.

Description

【Technical field】 [0001] The invention discloses a herbicide composition for wheat fields, in particular a herbicide composition for controlling weeds in wheat fields, which uses metazafen-sulfone, isoproturon and chlorpyrazosulfuron-methyl as active ingredients. 【Background technique】 [0002] Farmland weeds are a kind of harmful organisms that seriously threaten the growth of crops. Weeds can cause 34% loss of crop yield on average, and their harm is much higher than that of pests and pathogens. As the main food crop, wheat is planted in a large area year after year, and weeds are seriously harmful. Therefore, a large amount of herbicides need to be applied every year for weed control. [0003] There are many varieties of wheat field herbicides, which can be divided into stem and leaf treatment herbicides and soil sealing treatment herbicides according to the application method. Stem and leaf treatment herbicide refers to the agent that is directly applied to the weed ste...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/30A01N47/36A01N43/80A01P13/00
CPCA01N43/80A01N47/30A01N47/36
Inventor 徐家俊吴艳芳徐磊郭安勇张敏李晓月
Owner SHANDONG BINNONG TECH
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