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Ultralow-volume liquid for preventing and treating oomycetes disease

An ultra-low volume liquid preparation and disease technology, which is applied in the field of pesticides to achieve the effects of reducing the cost of medication, delaying resistance and reducing the frequency of medication

Inactive Publication Date: 2013-07-10
GAUNGXI TIANYUAN BIOCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0017] Active ingredient (I) azoxystrobin is a methoxyacrylate fungicide released in the 21st century. Currently, there are suspension concentrates, suspension seed coatings and water-dispersible granules on the market, followed by active ingredients II metalaxyl, Dimethomorph, fluopyram and propamocarb are commonly available in the market as single doses, wettable powders, water dispersible granules, suspensions, powders, smoke, aerosols, and suspension seed coatings. A variety of dosage forms are prepared, but the ultra-low volume liquid preparation compounded with azoxystrobin has not been reported at home and abroad

Method used

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  • Ultralow-volume liquid for preventing and treating oomycetes disease
  • Ultralow-volume liquid for preventing and treating oomycetes disease
  • Ultralow-volume liquid for preventing and treating oomycetes disease

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Formula and preparation process of 0.2% azoxystrobin·metalaxyl ultra-low volume liquid

[0040] Formula: azoxystrobin 0.1kg, metalaxyl 0.1kg, phenethylphenol polyoxyethylene ether 5.0kg, calcium dodecylbenzenesulfonate 1.5kg, dimethyl sulfoxide 10.0kg, tributyl phosphate 12kg, three Toluene was added to 100kg.

[0041] Preparation process: Under normal temperature and pressure, in a mixing kettle, firstly dissolve azoxystrobin and metalaxyl original drug completely with a solvent, then add other ingredients, and fully stir for 15 minutes at a stirring speed of 60-150 rpm ~60 minutes, make it mix evenly, fully stir to dissolve and mix evenly to get 0.2% azoxystrobin·metalaxyl ultra-low volume liquid. Following the same steps as in Example 1, the following examples can be prepared.

Embodiment 2

[0043] 15.1% Azoxystrobin·Metalaxyl ultra-low volume liquid formulation

[0044] Formula: Azoxystrobin 0.1kg, metalaxyl 15.0kg, phenethylphenol polyoxyethylene ether 5.0kg, calcium dodecylbenzenesulfonate 1.5kg, dimethyl sulfoxide 10.0kg, piperonyl butyl ether 5.0kg, The second-line oil is added to 100kg.

Embodiment 3

[0046] 15.0% Azoxystrobin·Metalaxyl Ultra-low Volume Liquid

[0047] Formula: Azoxystrobin 4.0kg, metalaxyl 11.0kg, phenethylphenol polyoxyethylene ether 10.0kg, calcium dodecylbenzenesulfonate 5.0kg, glycerin 12.0kg, N-methylpyrrolidone 25.0kg, Soybean oil makes up to 100kg.

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Abstract

The invention provides an ultralow-volume liquid for preventing and treating an oomycetes disease. The ultralow-volume liquid is prepared by compounding an active component I azoxystrobin and an active component II to form an effective component and adding a cosolvent and a solvent; the active component II is any one selected from metalaxyl, dimethomorph, fluopicolide and propamocarb; and the 100% ultralow-volume liquid is composed of the following components in percentages by weight: 0.1%-15% of the azoxystrobin, 0.1%-15% of the active component II, 1%-15% of the cosolvent and the balance ofthe solvent. The ultralow-volume liquid for preventing and treating the oomycetes disease, disclosed by the invention, is suitable for ultralow-volume spraying, low-volume spraying and statistic spraying, is used for preventing and treating crop diseases of rice, corn, wheat, broomcorn, tobacco, hot pepper, eggplant, tomato, potato, brassicaceous vegetables, rape, melon, taro, strawberry, grape, longan, leechee and the like, and has the advantages of being high in effect and low in labor intensity, saving water, delaying resistance, cooperating to enhance effect, and saving cost and labor.

Description

technical field [0001] The present invention relates to an ultra-low-capacity liquid preparation in which azoxystrobin (Azoxystrobin) and one or two active ingredients II are compounded as active ingredients, and the active ingredients II are metalaxyl (Metalaxyl), One or both of Dimethomorph, Fluopicolide and Propamocarb, belonging to the field of pesticides, are suitable for ultra-low-volume spraying, low-volume spraying or electrostatic spraying. Background technique [0002] Oomycete fungi belong to a class of the flagellate subphylum, and are named after the oospores produced by fungi in this class during sexual reproduction. Most of its vegetative bodies are developed mycelia, and a few mycelia are underdeveloped or absent. Oomycetes are divided into 4 orders: Saprolegniales, Rhizomyceses, Streptchytrides and Peronomyceses, a total of 74 genera and 580 species. The general law of biological evolution from aquatic to terrestrial, saprophytic to parasitic, simple to co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N25/06A01N43/54A01N37/46A01N43/84A01N43/40A01N47/12A01P3/00
Inventor 唐卫卢镇王群利黄华朱华龙
Owner GAUNGXI TIANYUAN BIOCHEM