Weeding composition containing isoxaflutole, halosulfuron-methyl and fluroxypyr and application of weeding composition

A technology of chlorofluoropyridoxine and herbicidal composition, applied in the directions of application, herbicide, algaecide, biocide, etc., can solve the problems of poor effect, ineffectiveness, slow effect of broad-leaved weeds, etc. Effective, wide herbicidal spectrum, long lasting effect

Inactive Publication Date: 2015-01-07
河南中天恒信生物化学科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

CN103238607A discloses a herbicidal composition containing isoxaflutole and fluroxyfen, which is used to prevent and control broad-leaved weeds and gramineous weeds in cornfields, but it has the advantages of grass crops such as corn and sugarcane. Weed Cyperus ineffective
CN103766365A discloses a cornfield herbicide composition, which is composed of active ingredients A, B, C and suitable pesticide adjuvants, wherein the active ingredient A is chlorpyrazosulfuron-methyl, B is nicosulfuron-methyl or rimsulfuron-methyl C is fluroxypyr or one of its esters, but the effect on broad-leaved weeds is poor and the effect is slow

Method used

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  • Weeding composition containing isoxaflutole, halosulfuron-methyl and fluroxypyr and application of weeding composition
  • Weeding composition containing isoxaflutole, halosulfuron-methyl and fluroxypyr and application of weeding composition
  • Weeding composition containing isoxaflutole, halosulfuron-methyl and fluroxypyr and application of weeding composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Embodiment 1 A kind of herbicidal composition suspension

[0042] Formula: isoxaflutole 25%, chlorpyrazosulfuron 15%, fluroxypyr 10%, lignosulfonate 3%, alkylphenol polyoxyethylene ether and its sulfate 5%, organic ammonium Salt 5%, organic bentonite 3%, methyl oleate make up to 100%.

[0043]Preparation method: Mix the above-mentioned components uniformly and pulverize them in a sand mill for 4 hours to form a coarse dispersion liquid, and then go through wet ultrafine grinding to make the average particle size less than 5 μm to obtain the required 50% isoxa Methafluzone, Clomisulfuron, Fluroxyacetic Acid Dispersible Oil Suspension Concentrate Products.

Embodiment 2～4

[0045] Using the method of Example 1, the composition suspension concentrate was prepared according to the formula in Table 1.

[0046] Table 1 embodiment 2-4 composition suspending agent formula

[0047]

[0048]

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Abstract

The invention relates to a weeding composition which is composed of isoxaflutole, halosulfuron-methyl and fluroxypyr in the mass ratio of (0.1-40): (0.1-20) (0.1-20). The weeding composition containing isoxaflutole, halosulfuron-methyl and fluroxypyr, namely a composite herbicide, has a remarkable effect in application to post-emergence weeding in sugarcane fields, particularly in application to preventing and weeding various gramineous weeds and broadleaf weeds in the sugarcane fields. Compared with an individual agent, the composite herbicide is capable of delaying the resistance of weeds, widening the weeding spectrum and weeding both gramineous and broadleaf weeds, and long in lasting period under the premise of an improved pesticide effect, and thus has reliable safety to sugarcane and afterreap crops.

Description

technical field [0001] The invention belongs to the field of herbicides and relates to a herbicidal composition containing isoxaflutole, chlorpyrazosulfuron-methyl and fluroxypyr and an application thereof. Background technique [0002] Isoxaflutole (isoxaflutole), molecular formula C 15 h 12 f 3 o 4 S, chemical name: 5-cyclopropyl-4-(2-methylsulfonyl-4-trifluoromethyl)benzoyliso(oxa)azole. [0003] Structural formula: [0004] [0005] Isoxaflutole is an organic heterocyclic selective systemic pre-emergence herbicide used for soil treatment in dry crop fields such as corn and sugarcane. It works mainly through absorption and conduction by weed young roots. After sensitive weeds absorb the drug, they destroy the formation of chlorophyll by inhibiting p-hydroxyacetone dioxygenase, resulting in chlorosis and wilting of the affected weeds. When isoxaflutole is applied or after it is applied, the active ingredients retained in the surface soil due to poor soil moisture ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01P13/00A01N43/40A01N43/80
Inventor 吴宏博虎彪金莎莎
Owner 河南中天恒信生物化学科技有限公司
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