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Bactericidal composition containing cyazofamid and application thereof

A technology of cyfamid and a composition is applied in the field of bactericidal compositions containing cyfamid, and achieves the effects of reducing the dosage of medicaments, overcoming and delaying drug resistance, and alleviating the drug resistance of bacteria

Active Publication Date: 2013-10-09
QINGDAO STAR CROPSCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] Combining Cyazofamid with the above-mentioned substances to prevent and control plant diseases has not been reported at home and abroad

Method used

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  • Bactericidal composition containing cyazofamid and application thereof
  • Bactericidal composition containing cyazofamid and application thereof
  • Bactericidal composition containing cyazofamid and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Embodiment 1: The bacteriostasis activity determination of Cyazofamid and fosfoam single mixture to potato infestans

[0045] The specific test method is as follows: the inhibitory effect of the single mixture of cyafamid and fosfosol on P. infestans was determined indoors by the method of toxic medium.

[0046] Take the prepared medicinal solution and place it in 100ml of 50-60°C PDA sterilized medium, shake well, pour it into a sterilized petri dish with a diameter of 60mm, cool and solidify, and inoculate P. infestans with the addition of an equivalent amount of corresponding solvent Bacterial culture medium was used as a blank control, and all operations were performed aseptically on a clean bench, and each treatment was repeated 3 times. Put it in a constant temperature incubator at 24°C, and cultivate it for 3-7 days without light, and then test the results. The test results are shown in Table 2.

[0047] Table 2 Determination of the antibacterial activity of Cy...

Embodiment 2

[0050] Embodiment 2: The bacteriostasis activity determination of Cyazofamid and flumorph single and mixed agent to cabbage downy mildew

[0051] The antibacterial effect of Cyazofamid and flumorph single and mixed agents on cabbage downy mildew was determined indoors by seedling pot method. In the potted cabbage seedlings in the greenhouse to the 2-3 leaf stage, spray the leaves according to the designed dosage, inoculate the test pathogenic bacteria 24 hours later, and keep them moist in the incubator, and investigate the results when the blank control without pesticides is fully infected. The results are shown in Table 3.

[0052] Determination of antibacterial activity of table 3 Cyazofamid and flumorph single mixture against downy mildew of cabbage

[0053]

[0054] It can be seen from Table 3 that the combination of Cyazofamid and Flumorph has good indoor antibacterial activity against cabbage downy mildew, and the antibacterial activity is higher when the mixing rat...

Embodiment 3

[0055] Embodiment 3: 65% Cyazofamida Oxadaxyl wettable powder comprises the following components by weight:

[0056] Cyazofamid 5%, oxaxyl 60%, sodium dodecylbenzene sulfonate 2%, white carbon black 10%, woody calcium 4%, pull open powder 3%, K123%, the balance of light calcium carbonate.

[0057] The above-mentioned components are fully mixed according to the formula ratio, and after being pulverized by an ultra-fine pulverizer, a 65% Cyazofamid·oxaxyl wettable powder can be obtained.

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Abstract

The invention belongs to the technical field of agricultural fungicides, in particular to a bactericidal composition containing cyazofamid and an application thereof. The composition adopts the cyazofamid and another fungicide component B for complexing, the fungicide B is at least one selected from propamocarb, flumorph, cymoxanil, dimethomorph, fosetyl-aluminum, oxadixyl, metalaxyl, metalaxyl-M and chlorothalonil, the composition is used for controlling a variety of diseases caused by pathogenic fungi and particularly applicable to controlling downy mildew, blight, downy blight and the like of fruits, vegetables and a plurality of crops, and the composition has significant synergy and can better overcome and retard the drug resistance of pathogens.

Description

technical field [0001] The invention belongs to the technical field of agricultural fungicides, and in particular relates to a fungicidal composition containing Cyazofim and its application. Background technique [0002] Cyazofamid (Cyazofamid) chemical name 4-chloro-2-cyano-5-p-methylphenyl-imidazole-1-N, N-dimethylsulfonamide, belongs to imidazole high-efficiency protective fungicides, is a mitochondrial Respiration inhibitor, effective on all growth stages of oomycetes, active on metalaxyl-resistant or sensitive bacteria, long-lasting, rain-resistant, safe for crops, humans, and the environment. [0003] Flumorph (Flumorph) chemical name (E, Z)-4-[3-(3',4'-dimethoxyphenyl)-3-(4-fluorophenyl)acryloyl]morpholine, is Cinnamamides are novel high-efficiency fungicides with significant systemic and therapeutic activity. [0004] Dimethomorph (Dimethomorph) chemical name (E, Z)-4-[3-(4-chlorophenyl)-3-(3,4-dimethoxyphenyl)acryloyl]morpholine, is passed An amide systemic fungi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N57/12A01N43/50A01N47/12A01N43/84A01N47/34A01N43/76A01N37/46A01N37/34A01P3/00
Inventor 李国安王辉纪玲玲
Owner QINGDAO STAR CROPSCI
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