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Sterilization combination for preventing and curing downy mildew of fruits and vegetables and aqueous emulsion thereof and preparation method thereof

A composition and technology of downy mildew, applied in botany equipment and methods, fungicides, biocides, etc., can solve the problems of not conforming to the trend of green and environmental protection society, increased resistance of bacteria, high pesticide residues, etc., and achieve relief Bacteria resistance, slowing down of drug resistance, low pesticide residue effect

Active Publication Date: 2010-01-27
QINGDAO STAR CROPSCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In the current control process, a single fungicide is mostly used for control, resulting in frequent application of pesticides, increased use of pesticides, time-consuming work and increased use costs, and poor control effects, increased resistance of bacteria, and the extensive use of pesticides. It causes high pesticide residues in agricultural products, which has a great impact on exports, and does not conform to the social trend of green environmental protection. It also causes serious damage and pollution to the environment, causing a series of vicious circles

Method used

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  • Sterilization combination for preventing and curing downy mildew of fruits and vegetables and aqueous emulsion thereof and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Prepared with 30% flusilazole propamocarb hydrochloride aqueous emulsion, the distribution ratio of each component is by weight:

[0033] Flusilazole 5%

[0034] Propamocarb Hydrochloride 25%

[0035] Phenylphenol Ethoxylate 5%

[0036] Castor Oil Ethoxylates 3%

[0037] Mineral spirit 10%

[0038] Glycerol 4%

[0039] Silicone oil 0.2%

[0040] Gum Arabic 0.25%

[0041] water balance

[0042] The preparation process is as follows: dissolve flusilazole with solvent oil, add phenethylphenol polyoxyethylene ether, castor oil polyoxyethylene ether, silicone oil, and glycerol and stir evenly as the oil phase, and mix gum arabic, propamocarb The hydrochloride is added to water and stirred evenly as the water phase, and the water phase is slowly added to the oil phase under stirring at 1000-2000r / min, and then sheared at a high speed at 4000-5000r / min for 30min to obtain the product.

Embodiment 2

[0044] 30% difenoconazole · propamocarb hydrochloride aqueous emulsion preparation, the distribution ratio of each component is by weight:

[0045] Difenoconazole 5%

[0046] Propamocarb Hydrochloride 25%

[0047] Fatty alcohol polyoxyethylene ether 5%

[0048] Castor Oil Ethoxylates 3%

[0049] Toluene 10%

[0050] Glycerol 4%

[0051] Silicone oil 0.2%

[0052] Xanthan Gum 0.25%

[0053] water balance

[0054] The preparation process is as follows: dissolve difenoconazole with toluene, add fatty alcohol polyoxyethylene ether, castor oil polyoxyethylene ether, silicone oil, and glycerin and stir evenly as the oil phase, and mix xanthan gum, propamocarb The hydrochloride is added to water and stirred evenly as the water phase, and the water phase is slowly added to the oil phase under stirring at 1000-2000r / min, and then sheared at a high speed at 4000-5000r / min for 30min to obtain the product.

Embodiment 3

[0056] 35% prochloraz propamocarb hydrochloride aqueous emulsion preparation, the distribution ratio of each component is by weight:

[0057] Prochloraz 5%

[0058] Propamocarb Hydrochloride 30%

[0059] Phenylphenol Ethoxylate 5%

[0060] Alkylphenol polyoxyethylene ether formaldehyde condensate 3%

[0061] Xylene 15%

[0062] Propylene Glycol 4%

[0063] Silicone oil 0.2%

[0064] Carboxymethylcellulose 0.25%

[0065] water balance

[0066] The preparation process is as follows: dissolve prochloraz in xylene, add styrene ethylphenol polyoxyethylene ether, alkylphenol polyoxyethylene ether formaldehyde condensate, silicone oil, and propylene glycol and stir evenly as the oil phase, and carboxymethyl fiber Add the element and propamocarb hydrochloride into water and stir evenly to make the water phase, slowly add the water phase to the oil phase under stirring at 1000-2000r / min, and then shear at a high speed at 4000-5000r / min for 30min to obtain the product.

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Abstract

The invention relates to the technical field of a pesticide bactericide preparation, in particular to a combination for preventing and curing downy mildew of fruits and vegetables and an aqueous emulsion thereof and a processing preparation method of the aqueous emulsion. The preparation method helps recompose a triazole bactericide with propamocarb hydrochloride, takes the preparation mode of the aqueous emulsion, and optimizes and adjusts the preparation method of the aqueous emulsion, thus improving the original preparation technology, better preventing and curing downy mildew of fruits and vegetables such as cucumbers, grapes and the like, improving the preventing and curing effect and decreasing usage amount of drugs and drug application times.

Description

technical field [0001] The invention relates to the technical field of pesticide fungicide preparations, in particular to a composition for preventing and treating fruit and vegetable downy mildew, an emulsion in water thereof, and a process for preparing the emulsion in water. Background technique [0002] Triazole fungicides are broad-spectrum, safe and efficient systemic fungicides, are sterol demethylation inhibitors, have a strong inhibitory effect on the spore formation of plant pathogenic bacteria, and have protective and therapeutic effects. Basidiomycetes and including Alternaria, Ascodiospora, Cercospora, Neptonia, Ballacne, Phoma, Septoria, Septoria, and Black Star in It has long-lasting protective and therapeutic effects on domestic half-knowledge diseases, powdery mildew family, rust fungus and certain kinds of pathogenic bacteria, and its representative varieties include difenoconazole, flusilazole, propiconazole, prochloraz, etc. [0003] Propamocarb hydrochl...

Claims

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Application Information

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IPC IPC(8): A01N47/12A01N43/653A01N55/10A01N47/38A01P3/00A01N25/04
Inventor 李国安孙明明
Owner QINGDAO STAR CROPSCI
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