Herbicidal composition containing isoxaflutole, chlorpyrazosulfuron-methyl and fluroxypyr and its application

A technology of fluroxypyr and herbicidal composition, applied in the direction of application, herbicide, algicide, biocide, etc., can solve the problems of slow effect, poor and ineffective effect on broad-leaved weeds, etc., and achieve long-lasting effect long-term, improved efficacy, and broad-spectrum herbicide effect

Inactive Publication Date: 2016-08-24
河南中天恒信生物化学科技有限公司
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  • Summary
  • 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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  • Herbicidal composition containing isoxaflutole, chlorpyrazosulfuron-methyl and fluroxypyr and its application
  • Herbicidal composition containing isoxaflutole, chlorpyrazosulfuron-methyl and fluroxypyr and its application
  • Herbicidal composition containing isoxaflutole, chlorpyrazosulfuron-methyl and fluroxypyr and its application

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 herbicidal composition, which is composed of isoxaflutole, chlorpyrazosulfuron and fluroxyfen at a mass ratio of 0.1-40:0.1-20:0.1-20. The application of the compound herbicide of the present invention in post-emergence weeding in sugarcane fields, especially in the application of controlling various gramineous weeds and broad-leaved weeds in sugarcane fields has remarkable effects. Compared with a single agent, the herbicide of the present invention can delay the resistance of weeds, broaden the weeding spectrum, eliminate grasses and broadleaves under the premise of improving the efficacy of a single agent, and has long-lasting effect, and has reliable safety for sugarcane and subsequent 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 Patents(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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