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Weeding composition and application thereof

A herbicidal composition and control technology, applied in the application of herbicides, algicides, biocides, etc., can solve the problems of increased drug costs, limited herbicidal spectrum, and low control efficiency, and achieve significant synergy , Improve control efficiency, improve selectivity effect

Inactive Publication Date: 2020-06-05
LIER CROPSCIENCE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] However, the herbicidal spectrum of fluorentrafen, florasulam or metazachlor is limited when used alone, and the long-term use of a single agent will easily lead to drug resistance, the dosage will become larger, the control effect will be lower, and the cost of the drug will increase , the environmental impact increases

Method used

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  • Weeding composition and application thereof
  • Weeding composition and application thereof
  • Weeding composition and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 111

[0073] Example 1 11% (Flusulam 1% + Flusulam 5% + Metaflufen 5%) wettable powder

[0074] Stir and mix 1% of flusulam propargyl, 5% of florasulam, 5% of pyraclofen, 15% of dodecylphenol polyoxyethylene ether, 5% of sodium polycarboxylate, and the rest of diatomaceous earth. homogeneously, and ultrafinely pulverized by a jet mill to obtain 11% flusulam propargyl-flusulam-metazachlor wettable powder.

Embodiment 2

[0075] Example 2 50% (flutrachlor propargyl 4% + florasulam 40% + metazachlor 6%) oil suspension

[0076] Mix PO-EO block polyether 4%, sodium lauryl sulfate 21%, hydroxyethyl cellulose 5% with high-speed shearing and stir evenly, then add propargyl fluflumecil 4%, diflusulam 40%, pyryl 6% of clofenac and 20% of methyl oleate were ball-milled until the diameter of the particles was less than 5 microns to prepare 50% flurafen propargyl-flusulam-pyrazafen oil suspension.

Embodiment 331

[0077] Example 3 31% (flutrachlor propargyl 1% + florasulam 15% + metazachlor 15%) aqueous suspension

[0078] Mix 5% sodium lauryl sulfate, 15% fatty alcohol polyoxyethylene ether, and 2% polyvinyl alcohol with high-speed shearing and stir evenly, then add 1% florasulam propargyl, 15% florasulam, and pyrethroid 15% of ether and the balance of water are ball-milled until the diameter of the particles is less than 5 microns to prepare a 31% fluorsulam propargyl-flusulam-metazachlor aqueous suspension.

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PUM

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Abstract

The invention discloses a weeding composition and application thereof. The weeding composition comprises an active component A and an active component B, wherein the active component A is flumioxazin,and the active component B is florasulam, wherein the weight ratio of the active component A to the active component B is (0.1-20): (0.1-20). The weeding composition can be used for preventing and removing broad-leaved weeds in wheat, transplanted rice or sugarcane fields. Through the synergistic effect of the active components, the prevention and removal efficiency of broad-leaved weeds is improved, the herbicide controlling spectrum is expanded, and the dosage is reduced.

Description

technical field [0001] The present invention relates to a herbicidal composition, in particular to a herbicidal composition whose active ingredients include florasulam and florasulam, and its application in controlling weeds. Background technique [0002] Flumioxazin (flumioxazin, N-(7-fluoro-3,4-dihydro-3-oxo-(2-propynyl)-2H-1,4-benzoxazin-6-yl) ring Hex-1-ene-1,2-dicarboximide), the molecular formula is: C 19 h 15 FN 2 o 4 ; Molecular weight: 354.33; Structural formula is: [0003] [0004] Flufenoxam is a protoporphyrinogen oxidase inhibitor and a contact-type selective herbicide that controls broad-leaved weeds and some grass weeds in soybean, cotton, grape and many other crop fields. [0005] Flosulam (florasulam, 2',6'-difluoro-5-methoxy-8-fluoro[1,2,4]triazol[1,5-c]pyrimidine-2-sulfonanilide) , the molecular formula is: C 12 h 8 f 3 N 5 o 3 S, molecular weight: 359.3; structural formula is: [0006] [0007] Flusulam is an acetolactate synthase inhib...

Claims

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Application Information

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IPC IPC(8): A01N43/84A01N43/90A01N43/56A01P13/00
CPCA01N43/56A01N43/84A01N43/90
Inventor 聂珍胡细佳
Owner LIER CROPSCIENCE CO LTD
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