Sterilization combination for preventing and curing pear scab and aqueous emulsion thereof and preparation method thereof
A technology of composition and water-emulsion, which is applied in the field of water-emulsion and preparation of the fungicidal composition for preventing and treating pear scab, can solve problems such as non-conformity to pollution-free green food, excessive pesticide residues in agricultural products, and difficulty in exerting drug effects, etc. To achieve the effect of delaying the emergence of bacterial resistance, delaying bacterial resistance, and reducing pesticide residues
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Embodiment 1
[0034] 20% difenoconazole · fluazinam aqueous emulsion preparation, the distribution ratio of each component is by weight:
[0035] Difenoconazole 6.5%
[0036] Fluazinam 13.5%
[0037] Phenylphenol Ethoxylate 4%
[0038] Alkylphenol ethoxylates 4%
[0039] Xylene 20%
[0040] Urea 5%
[0041] Silicone oil 0.2%
[0042] Xanthan Gum 0.25%
[0043] water balance
[0044] The preparation process is as follows: dissolve difenoconazole and fluazinam in xylene, add phenethylphenol polyoxyethylene ether, alkylphenol polyoxyethylene ether, and silicone oil and stir evenly as the oil phase, and xanthan gum 1. Add urea into water and stir evenly as the water phase, slowly add the water phase to the oil phase under stirring at 1000-2000r / min, and then shear at high speed at 4000-5000r / min for 30min to obtain the product.
Embodiment 2
[0046] 20% difenoconazole · fluazinam aqueous emulsion preparation, the distribution ratio of each component is by weight:
[0047] Difenoconazole 10%
[0048] Fluazinam 10%
[0049] Phenylphenol Ethoxylate 5%
[0050] Alkylphenol polyoxyethylene ether formaldehyde condensate 3%
[0051] Toluene 20%
[0052] Propylene Glycol 4%
[0053] Silicone oil 0.2%
[0054] Carboxymethylcellulose 0.25%
[0055] water balance
[0056] The preparation method is the same as above.
Embodiment 3
[0058] 20% difenoconazole · fluazinam aqueous emulsion preparation, the distribution ratio of each component is by weight:
[0059] Difenoconazole 13.5%
[0060] Fluazinam 6.5%
[0061] Phenylphenol Ethoxylate 5%
[0062] Castor Oil Ethoxylates 3%
[0063] Mineral spirit 20%
[0064] Glycerol 4%
[0065] Silicone oil 0.2%
[0066] Gum Arabic 0.25%
[0067] water balance
[0068] The preparation method is the same as above.
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