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Difenoconazole and sulfur compounded suspending agent and preparation method thereof

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 improving safety, alleviating drug resistance problems, and improving control effects

Inactive Publication Date: 2013-04-03
QINGDAO AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current compound preparations of difenoconazole are mainly compounded with propiconazole, azoxystrobin, thiram, carbendazim, imidamide, thiophanate-methyl, etc. At present, there is no combination of difenoconazole and sulfur Related reports on compounding

Method used

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  • Difenoconazole and sulfur compounded suspending agent and preparation method thereof
  • Difenoconazole and sulfur compounded suspending agent and preparation method thereof
  • Difenoconazole and sulfur compounded suspending agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Product formula (weight percentage, the same below): Difenoconazole 5%

[0032] Sulphur 20%

[0033] Alkylphenol polyoxyethylene ether formaldehyde condensate 2%

[0034] Alkylphenol Ethoxylate 1%

[0035] Xanthan Gum 0.3%

[0036] Ethylene glycol 4%

[0037] Silicone defoamer 0.2%

[0038] water top up

[0039] Preparation:

[0040] Mix difenoconazole, sulfur, dispersant, wetting agent and part of water, disperse and homogenize at high speed, add a mixture of antifreeze, defoamer, suspending agent and part of water while sanding, and finally get a qualified suspending agent.

Embodiment 2

[0042] Product formula: Difenoconazole 5%

[0043] Sulphur 15%

[0044] Alkylphenol Ethoxylate Phosphate 2%

[0045] Alkylphenol Ethoxylate 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 a mixture of antifreeze, defoamer, suspending agent and part of water while sanding, and finally get a qualified suspending agent.

Embodiment 3

[0054] Product formula: Difenoconazole 12%

[0055] Sulphur 18%

[0056] Tristyryl phenol polyoxyethylene ether phosphate 2%

[0057] Polyoxyethylene polyoxypropylene ether block copolymer 1%

[0058] Fatty alcohol polyoxyethylene ether 1%

[0059] Magnesium Aluminum Silicate 0.3%

[0060] Ethylene glycol 4%

[0061] Silicone defoamer 0.2%

[0062] water top up

[0063] Preparation:

[0064] Mix difenoconazole, sulfur, dispersant, wetting agent and part of water, disperse and homogenize at high speed, add a mixture of antifreeze, defoamer, suspending agent and part of water while sanding, and finally get a qualified suspending agent.

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PUM

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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 formulation of a pesticide and bactericidal 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 heterocyclic fungicide with low toxicity, which can be used to control various fungal diseases of various crops. Its mechanism of action is to interfere with the normal growth of pathogens by inhibiting the biosynthesis of ergosterol, and has a strong inhibitory effect on the spore formation of plant pathogens. It is a sterol demethylation inhibitor with ideal systemic properties. Absorbed quickly by plants, foliar or seed treatments can increase crop yield and ensure quality. It has a wide bactericidal spectrum, and the field efficacy data shows that it is effective against Ascomycetes, Basidiomycetes and including Alternaria, Ascoidis, Cercospora, Ceratosporium, Coccidioides, St...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N59/02A01N43/653A01N25/04A01P3/00
CPCY02A50/30
Inventor 王智张保华李宝笃
Owner QINGDAO AGRI UNIV