Difenoconazole and sulfur compounded suspending agent and preparation method thereof
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A technology of difenoconazole and suspending agent is applied in the field of new formulations of pesticide and bactericidal compositions to achieve the effects of expanding the bactericidal spectrum, reducing the application amount and alleviating the problem of drug resistance
Inactive Publication Date: 2011-05-25
QINGDAO AGRI UNIV
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The current compound preparations of difenoconazole are mainly compounded with propiconazole, azoxystrobin, thiram, carbendazim, i
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Embodiment 1
[0031] Product formula (weight percentage, the same below): Difenoconazole 5%
[0040] Mix difenoconazole, sulfur, dispersant, wetting agent and part of water, disperse and homogenize at high speed, add antifreeze, defoamer, suspending agent and part of water while sanding, and finally get qualified suspending agent.
Embodiment 2
[0042] Product formulation: Difenoconazole 5%
[0043] Sulfur 15%
[0044] Alkylphenol Ethoxylate Phosphate 2%
[0045] Alkylphenol ethoxylates 1%
[0046] Calcium lignosulfonate 1%
[0047] Sodium Carboxymethyl Cellulose 0.3%
[0048] Ethylene glycol 4%
[0049] Silicone defoamer 0.2%
[0050] water top up
[0051] Preparation:
[0052]Mix difenoconazole, sulfur, dispersant, wetting agent and part of water, disperse and homogenize at high speed, add antifreeze, defoamer, suspending agent and part of water while sanding, and finally get qualified suspending agent.
[0064] Mix difenoconazole, sulfur, dispersant, wetting agent and part of water, disperse and homogenize at high speed, add antifreeze, defoamer, suspending agent and part of water while sanding, and finally get qualified suspending agent.
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Abstract
The invention belongs to a novel formulation of a pesticide bactericide composition, and particularly relates to a difenoconazole and sulfur compounded suspending agent and a preparation method thereof. 5 to 30 percent of difenoconazole and 10 to 30 percent of sulfur, preferably 5 to 20 percent of difenoconazole and 10 to 20 percent of sulfur are compounded. The application amount of a single dosage can be effectively reduced; a sterilization spectrum is expanded; the prevention and control effects on pathogenic bacteria are remarkably improved; the using amount of the difenoconazole in the formula is reduced, so the bactericide resistance of the pathogenic bacteria to triazole bactericides is alleviated; meanwhile, prevention and control cost is reduced, bactericide damage is avoided, and good prevention and control effects on powdery mildew, fusarium head blight, leaf spot, scab and the like of various crops such as fruit trees, vegetables, field crops and the like are achieved; andan environmentally-friendly formulation suspending agent is prepared, so that the difenoconazole and sulfur compounded suspending agent has high environmental compatibility and a good promotion and application prospect, and the safety of various crops is improved.
Description
(1) Technical field [0001] The invention belongs to a new dosage form of a pesticide fungicidal composition, in particular to a suspending agent compounded with difenoconazole and sulfur and a preparation method thereof. (2) Background technology [0002] Difenoconazole is a relatively novel low-toxic heterocyclic fungicide, which can be used to control various fungal diseases of various crops. Its mechanism of action is to interfere with the normal growth of pathogenic bacteria by inhibiting the biosynthesis of ergosterol, and has a strong inhibitory effect on the spore formation of plant pathogenic bacteria. It is an inhibitor of sterol demethylation and has ideal systemic properties. Rapidly absorbed by plants, foliar treatment or seed treatment can increase crop yield and maintain quality. It has a wide bactericidal spectrum. According to the laboratory test, the efficacy data in the field show that: against Ascomycetes, Basidiomycetes and including Alternaria, Ascodios...
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