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Sterilizing composite

A fungicide composition and composition technology, applied in the direction of fungicides, biocides, biocides, etc., can solve the problems of loss of application value, decline in effect, high cost of imported medicines, etc., to reduce the risk of resistance, reduce pollution and Residue, effect of reducing application cost

Inactive Publication Date: 2010-05-19
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The continuous introduction of these agents shows at least two points: (1) The history of powdery mildew control is a history of continuous updating of agents, and the development of resistance makes many excellent fungicides gradually lose their application value
(2) These agents have their own weaknesses, none of which can be generally accepted by dealers and farmers and can be used safely and effectively on various crops
Due to the long-term continuous use of this type of medicine in China in recent years, obvious drug resistance has developed, and the effect has begun to decline. At the same time, the cost of imported medicine is too high

Method used

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  • Sterilizing composite

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The preparation of embodiment 1 suspending agent: (20.2%SC)

[0027] Acetrimol 20%

[0028] Chlorothalonil 0.2%

[0029] Sodium methylnaphthalenesulfonate formaldehyde condensate 7%

[0030] 0203B 5%

[0031] Magnesium Aluminum Silicate 0.5%

[0032] Ethylene glycol 10%

[0033] Water topped up to 100%

[0034] According to the requirements of the formula, with water as the medium, add the original drug, dispersant, suspending agent and antifreeze into the sand mill kettle, and grind it finely to prepare 20.2% pyrithrimol·chlorothalonil suspension concentrate.

[0035] Replacing chlorothalonil with sulfur, thiram, thiram, and dyson fungicides can form a new embodiment.

Embodiment 2

[0036] Embodiment 2: the preparation of emulsion in water: (20.2%EW)

[0037] Acetrimol 0.2%

[0038] Phiram 20%

[0039] Methylated soybean oil (solvent) 10%

[0040] Cyclohexanone (solvent) 5%

[0041] Styrylphenol ethoxylates 4%

[0042] Tristyrylphenol polyoxypropylene polyoxyethylene block polymer 2%

[0043] Xanthan Gum 0.15%

[0044] Ethylene glycol 3%

[0045] Water make up to 100%

[0046] First, mix the original drug, solvent and co-solvent under mechanical stirring, then put in emulsifier, dispersant, thickener, antifreeze and stir evenly, finally add water, stir at 12000rpm in a high-shear reactor 10 to 30 minutes to make it into a uniform milky product.

[0047] A new embodiment can be formed by replacing thiram with sulfur, chlorothalonil, thiram, and thiram fungicides.

Embodiment 3

[0048] Embodiment 3: the preparation of wettable powder: (85%WP)

[0049] Acetrimol 5%

[0050] Propineb 80%

[0051] Sodium Lauryl Sulfate 2%

[0052] Silica 5%

[0053] Sodium lignosulfonate 5%

[0054] Light Calcium Carbonate Replenish to 100%

[0055] The active ingredient, dispersant, wetting agent and filler are sequentially added into the mixer according to the proportion of the formula, mixed evenly, and then crushed by air flow to a particle size below 20 μm to obtain 85% acetrimphen·propazizine wettable powder.

[0056] A new embodiment can be formed by substituting propeneb with sulfur, chlorothalonil, thiram, thiram, and other thiram fungicides.

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Abstract

The invention relates to a sterilizing composite. The composite is characterized in that the effective ingredients of the composite contain ethirimol and at least one protective germicide B, wherein the germicide B can be sulfur, chlorothalonil, thiram, ziram, zineb, mancozeb, ambam, propineb or metiram. The result of indoor tests shows that the synergism of the composite to the powdery mildews is obvious, the cotoxicity coefficient is more than 130; and in the field actual application, the effect for controlling the resistant powdery mildews is obviously better than a single agent, no phytotoxicity is caused by the composite to crops, especially melons, and the pesticide residue is less, thus the composite is a practical and safe sterilizing composite for controlling the powdery mildews.

Description

technical field [0001] The invention relates to a bactericidal composition, especially a composition containing pyrimol and a protective bactericide and its application. Background technique [0002] Powdery mildew is a worldwide disease that occurs widely on many important crops, causes serious damage, and is difficult to control. Ascomycota powdery mildew fungi can cause powdery mildew. The conidia of this type of pathogen can germinate at a temperature between 10°C and 30°C, and the humidity requirement is not high. Under normal circumstances, an infection cycle can be completed within 10 days. Therefore, crops can be repeatedly infested in a growing season, and once it occurs, it will quickly break out, especially in the greenhouse environment, which often causes irreparable and huge losses to crop production. [0003] At present, there are more than 20 kinds of single agents registered for powdery mildew in China, such as fenxistrobin, kresoxim-methyl, flusilazole, di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N59/02A01N43/54A01N37/34A01N47/26A01N47/14A01P3/00
CPCY02A50/30
Inventor 舒琼张承来曹明章杨立平孔建
Owner SHENZHEN NOPOSION AGROCHEM
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