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Sterilizing compound containing azole ether sulfonamide and polyoxins and application thereof

A fungicide composition and composition technology, applied in the direction of application, fungicide, biocide, etc., to achieve good fungicide effect, good crop safety and remarkable effect

Inactive Publication Date: 2019-03-26
成都格瑞赛斯科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] There is no relevant report on the combination of pyrafensulfate and polyoxin for the control of cucumber downy mildew

Method used

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  • Sterilizing compound containing azole ether sulfonamide and polyoxins and application thereof
  • Sterilizing compound containing azole ether sulfonamide and polyoxins and application thereof
  • Sterilizing compound containing azole ether sulfonamide and polyoxins and application thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0042] Preparation example 1: Preparation of 40% pyrafensulfate-polyoxamycin suspension concentrate

[0043] Weigh 15% pyrafensulfate, 25% polyoxin, 2% TERSPERSE 2500 (purchased from Huntsman, the same below), 3% TERSPERSE 4896 (purchased from Huntsman, the same below), 0.2% Xanthan gum, 3% white carbon black, 5% ethylene glycol, 0.3% benzoic acid, 0.5% organosilicon defoamer (trade name: s-29 produced by Nanjing Sixin Applied Chemicals Company, the same below), deionized Water was added to 100%.

[0044] Preparation method: mix the active ingredients, wetting agent, dispersant, antifreeze, etc. evenly, add to a sand mill and grind to a certain particle size, then filter. Then add the prepared xanthan gum and stir until uniform to obtain 40% sulfamethazone-polyoxamycin suspension concentrate.

preparation example 2

[0045] Preparation example 2: Preparation of 15% pyrafensulfate-polyoxamycin aqueous emulsion

[0046] Weigh 10% pyrafensulfamate, 5% polyoxin, 3% Nongru 2201#, 1.5% nonylphenol polyoxyethylene (EO=10) ether phosphate (purchased from Nanjing Taihua Chemical Co., Ltd., the following The same), 2.5% tristyrylphenol polyoxyethylene ether phosphate (Nongru 600# acid phospholipid, purchased from Nanjing Taihua Chemical Co., Ltd., the same below), 2% Span-60# (purchased from Xingtai Lanxingzhu Agent company, hereinafter the same), 1% epichlorohydrin, 20% xylene, 10% cyclohexanone, 0.3% xanthan gum, 0.5% benzoic acid, deionized water added to 100% parts by mass.

[0047] Preparation method: After dissolving the above active ingredients, emulsifier and dispersant in a solvent, add them to the water phase under high shear conditions, then add xanthan gum and stir evenly to prepare 15% pyrafensulfamate - Polyoxin emulsion in water.

preparation example 3

[0048] Preparation example 3: Preparation of 60% pyrafensulfate-polyoxamycin water-dispersible granules

[0049]Weigh 20% pyrafensulfate, 40% polyoxin, 3% TERSPERSE 2700 (purchased from Huntsman Company, the same below), 2% diffusing agent NNO (alkyl naphthalene sulfonate formaldehyde condensate, purchased from Shanghai Tiantan Auxiliary Co., Ltd., the same below), 3% pull open powder BX (sodium dibutylnaphthalene sulfonate), 2% K-12 sodium lauryl sulfate), 3% diatomaceous earth, 5% glucose, Kaolin added to 100%.

[0050] Preparation method: The above-mentioned raw materials are mixed, pulverized by ultra-fine airflow, and granulated to prepare 60% pyrafensulfate-polyoxamycin water-dispersible granules.

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Abstract

The invention belongs to the technical field of pesticides and relates to a sterilizing compound containing azole ether sulfonamide and polyoxins and an application thereof. The sterilizing compound is composed of active ingredients and pesticide auxiliaries. Specifically, the active ingredients are composed of azole ether sulfonamide and polyoxins at weight ratio of (1:20)-(20:1). According to the invention, azole ether sulfonamide and polyoxins are compounded at a certain ratio, so that an obvious synergistic effect is achieved, antibacterial spectrum is expanded, generation of pesticide resistance is retarded and service life of pesticide is prolonged; compound is capable of obviously enhancing pesticide effect, reducing dosage and effectively lowering prevention and control cost; the sterilizing compound provided by the invention has an excellent effect for preventing and controlling cucumber downy mildew.

Description

technical field [0001] The invention relates to the field of agricultural fungicides, in particular to a fungicide composition and its application, in particular to a fungicide composition for preventing and treating cucumber downy mildew and its application. Background technique [0002] Cucumber downy mildew is a relatively serious disease of cucumber, which can be damaged from seedling stage to adult plant, and mainly damages leaves and stems. The suitable onset temperature of the disease is 16°C-24°C. The disease occurs at the seedling stage, and irregular chlorotic yellow-brown spots appear on the front of the cotyledons. The adult plants develop the disease, mostly from the front of the greenhouse. The diseased plants first appear water-stained on the reverse side of the middle and lower leaves. Light green small spots, not visible on the front side, and the posterior lesion gradually expands, showing on the front side. At present, there is an urgent need for a medica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/653A01N47/12A01P3/00
CPCA01N43/653A01N47/12
Inventor 金加明
Owner 成都格瑞赛斯科技有限公司