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Bactericide composition containing dimethomorph

A bactericide composition, a technology containing dimorpholine, applied in the directions of bactericides, biocides, biocides, etc., can solve the problems of reducing drug resistance, high cost, unsatisfactory control effect, etc. Reduce cost of use, delay effects of drug resistance problems

Inactive Publication Date: 2009-10-07
TIANJIN DONGFANG PESTICIDE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the single-agent use of dimethomorph is not only costly, but also has the risk of drug resistance
Although the commercialized mixed preparation of dimethomorph and mancozeb can reduce the risk of drug resistance, the control effect is not satisfactory

Method used

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  • Bactericide composition containing dimethomorph
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  • Bactericide composition containing dimethomorph

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Example 1: (50% dimethomorph, aluminum triethylphosphonate, mancozeb wettable powder)

[0032] Dimethomorph 5.0%

[0033] Aluminum triethylphosphonate 5.0%

[0034] Mancozeb 40.0%

[0035] Sodium lauryl sulfate 2.0%

[0036] Sodium wood sulfonate 8.0%

[0037] White carbon black 5.0%

[0038] Kaolin is supplemented to 100%.

[0039] According to the requirements of the formula, fully mix the original medicine, various additives and fillers, and pulverize with a jet mill until the particle size reaches the standard value (5μm or less).

Embodiment 2

[0040] Example 2: The control effect of dimethomorph, aluminum triethylphosphonate, and mancozeb on grape downy mildew-field trial

[0041] The test agent is Example 1 (50% dimethomorph, aluminum triethylphosphonate, mancozeb wettable powder), 50% dimethomorph wettable powder, 40% aluminum triethylphosphonate wettable powder , 50% mancozeb wettable powder. The variety is Jufeng grape. The spray treatment was carried out at the early stage of the onset of grape downy mildew in the field. The test concentrations were all 750, 500, and 250μg.ml-1. The application was 4 times with an interval of 7 days, and 10 after the fourth application. The control effect was investigated every day, and the test results are shown in Table 3.

[0042] Table 3 The control effect of dimethomorph, aluminum triethylphosphonate, mancozeb and their mixtures on grape downy mildew

[0043]

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PUM

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Abstract

The invention relates to a bactericide composition containing dimethomorph and preparation method and application thereof. The composition comprises the following effective components by weight percentage: 1-90% dimethomorph, 1-90% phosethyl-Al, 1-90% mancozeb. The composition is added with adequate additive and carrier to be processed into oil emulsion, wettable powder, soluble powder, aqueous emulsion, micro-emulsion, aqua, dispersant, microcapsule or water dispersible granule. The composition is used for preventing the plant disease due to peronospora, pseudoperonospora, phytophthera. The indoor test shows that the composition has obvious synergism and good suspension effect on pathogenic bacteria drug-resistance.

Description

[0001] This application is a divisional application. The original application is our company's patent application "A fungicide composition containing dimethomorph", the original application number is 200710057465.0, and the original application date is 2007.5.25. (1) Technical field [0002] The invention relates to the field of agricultural fungicides. Specifically, it is a bactericide compounded by dimethomorph, aluminum triethylphosphonate, and mancozeb. (2) Background technology [0003] Downy mildew and late blight of various crops such as melons, tomatoes, grapes, lychees, potatoes, etc. caused by oomycetes such as Downy mildew, Pseudodowny mildew and Phytophthora are one of the most serious diseases threatening agricultural production. At present, the widely used control agents in production include metalaxyl, fosetyl-aluminium, Cymoxanil, Dimethomorph, Propamocarb , Oxadixyl (Oxadixyl) and the mixed formulations of these agents with mancozeb and copper preparations. Howeve...

Claims

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Application Information

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IPC IPC(8): A01N57/20A01N47/14A01N43/84A01P3/00
Inventor 张宝发李树正寇俊杰张庆华刘俊强
Owner TIANJIN DONGFANG PESTICIDE
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