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Weed-killing composition containing tefuryltrione-oxaziclomefone-sulfonylurea weed killers

A technology of furansulcotrione and herbicidal composition, which is applied in the direction of herbicides, algicides, biocides, biocides, etc., which can solve the problems of complex grass, weed resistance, etc., to reduce pollution and prolong the use The effect of life and cost reduction

Inactive Publication Date: 2018-11-09
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in recent years, due to the large-scale single and continuous use of some herbicide varieties, many weeds have developed resistance; Weeds and broad-leaved weeds often occur in a mixture, and a single herbicide species or a combination of two components can no longer effectively solve the above problems, and all of them will show some defects

Method used

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  • Weed-killing composition containing tefuryltrione-oxaziclomefone-sulfonylurea weed killers
  • Weed-killing composition containing tefuryltrione-oxaziclomefone-sulfonylurea weed killers
  • Weed-killing composition containing tefuryltrione-oxaziclomefone-sulfonylurea weed killers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Example 1: 28% Furosultrione · Oxacitrione · Chlorpyrazosulfuron-methyl Water Suspension Concentrate

[0038]Furosulcotrione 12.5%, Oxacitrione 3%, Clorazosulfuron-methyl 12.5%, Sodium p-Methoxy Fatty Amidobenzenesulfonate 12%, Xanthan Gum 2%, Sodium Benzoate 0.2%, Silicone Oil 0.2% , urea 2%, and deionized water to make up to 100%. The above-mentioned materials are mixed in proportion, uniformly dispersed by high-speed shearing, and sand-milled in a sand mill to prepare 28% furansulcozone·oxaziclodione·chlorpyrazosulfuron-methyl aqueous suspension concentrate.

[0039] A new aqueous suspension formulation embodiment can be formed by replacing clopyrazosulfuron-methyl with one of pyrazosulfuron-methyl, rimsulfuron-methyl, bensulfuron-methyl, promasulfuron-methyl, and pyrazosulfuron-methyl.

Embodiment 2

[0040] Example 2: 31.5% furansulcotrione·oxaziclodione·pyrazosulfuron-methyl dispersible oil suspension concentrate

[0041] Furansulcotrione 25%, oxazicone 6%, pyrazosulfuron-methyl 0.5%, alkylphenol polyoxyethylene ether formaldehyde condensate 10%, calcium dodecylbenzenesulfonate 10%, magnesium aluminum silicate 2 %, canola oil tops up to 100%. The above-mentioned materials are mixed in proportion, uniformly dispersed by high-speed shearing, and sand-milled in a sand mill to prepare 31.5% furasulcotrione·oxaziclodione·pyrazosulfuron-methyl dispersible oil suspension concentrate.

[0042] Replacing pyrazosulfuron-methyl with one of chlorpyrazosulfuron-methyl, rimsulfuron-methyl, bensulfuron-methyl, promasulfuron-methyl, and pyrazosulfuron-methyl can form a new dispersible oil suspension formulation embodiment .

Embodiment 3

[0043] Example 3: 63% furansulcotrione · oxaziclodione · rimsulfuron water dispersible granules

[0044] Furansulcotrione 1%, oxazicone 12%, rimsulfuron-methyl 50%, lignosulfonate 8%, sodium butylnaphthalene sulfonate 6%, crospovidone 5%, diatomaceous earth supplement to 100%. The above-mentioned materials are mixed in proportion, air-jet pulverized and uniformly mixed, kneaded and granulated, dried and sieved to obtain 63% furansulcotrione·oxaziclodione·pyrimsulfuron-methyl water-dispersible granule.

[0045] A new embodiment of the water-dispersible granule formulation can be formed by replacing rimsulfuron-methyl with one of chlorpyrazosulfuron-methyl, pyrazosulfuron-methyl, bensulfuron-methyl, promasulfuron-methyl, and pyrazosulfuron-methyl.

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Abstract

The invention discloses a weed-killing composition containing tefuryltrione-oxaziclomefone-sulfonylurea weed killers. The weed-killing composition is prepared from the following effective components of tefuryltrione-oxaziclomefone-sulfonylurea weed killers, wherein the sulfonylurea weed killer is selected from one of halosulfuron methyl, pyrazosulfuron ethyl, orthosulfamuron, bensulfuron methyl, propyrisulfuron and metazosulfuron; the weight ratio of the tefuryltrione-oxaziclomefone-sulfonylurea weed killers is (0.5-50):6:(0.5-50). The weed-killing composition provided by the invention is mainly applied to control of weeds in rice fields; compared with single use or binary combination use of all single agents, the weed-killing effect is obviously improved, the weed-killing spectrum is expanded, the effect lasting period is long and the weed-killing composition is safe to rice.

Description

technical field [0001] The present invention relates to a pesticide composition and its application field, in particular to a herbicidal composition compounded with furansulcotrione, oxazicone and sulfonylurea herbicides as effective active ingredients, mainly used in Control of weeds in paddy fields. Background technique [0002] Tefuryltrione: belongs to benzoylcyclohexanedione herbicides, the mechanism of action is 4-hydroxyphenylpyruvate dioxygenase inhibitor, which can inhibit the synthesis of indispensable pigments in plant growth, through the root , stems, young buds, and leaves absorb and conduct rapidly. Furansulcotrione can be used to control annual and perennial broad-leaved weeds in rice fields, both before and after buds. Grass, firefly rush, water sedge and other weeds of the Miscyrus genus, and broad-leaved weeds such as dwarf sagittarius, wild sagittarius, and water chestnuts that have become resistant to sulfonylureas in recent years are very effective. I...

Claims

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Application Information

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IPC IPC(8): A01N43/08A01N43/86A01N47/36A01P13/00
CPCA01N43/08A01N43/86A01N47/36
Inventor 张志伟王礼文朱刚陈佛祥
Owner GUANGDONG ZHONGXUN AGRI TECH
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