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Cyazofamid-containing bactericidal composition and application thereof

A composition, the technology of Cyazofamid, which is applied in the field of pesticides, can solve the problems of chemical control, severe powdery mildew resistance, and unsatisfactory effects, and achieve the effects of reducing pesticide residues, delaying bacterial resistance, and improving control effects

Inactive Publication Date: 2021-04-02
JIANGXI HEYI CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In recent years, due to single drug use and unscientific drug use, the drug resistance of powdery mildew has become more and more serious, which has become a major problem in chemical control
[0005] The inventor tried to compound the existing bactericidal active ingredients, but the effect achieved by the simple combination was unsatisfactory

Method used

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  • Cyazofamid-containing bactericidal composition and application thereof
  • Cyazofamid-containing bactericidal composition and application thereof
  • Cyazofamid-containing bactericidal composition and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The bactericidal composition of the present invention uses Cyazofamida as an active ingredient and Metrafenone as another active ingredient in the bactericidal composition of the present invention. The combination between them has obvious synergistic effect on powdery mildew, not only It is only a simple summation of the two pharmacodynamic effects, which is specifically illustrated by the following biological assay examples. Biological Assay Example 1, Indoor Toxicity Test of Cyazofamid and Metrafenone Compounded to Cucumber Powdery Mildew Bacteria

[0027] Test object: Cucumber powdery mildew pathogen

[0028] The potted method was used in this experiment. The potted plants grow to 4-5 true leaves, numbered for later use. The fresh spores of powdery mildew fungus produced on the leaves of the infected cucumber within 24 hours were evenly shaken off and inoculated on the cucumber seedlings to be tested. According to the drug activity, set 5-7 serial mass concentrati...

Embodiment 2

[0055] Embodiment 2: 10% Cyazofamida Metrafenone Water Emulsion

[0056] Cyazofamid 5%, metrafenone 5%, ethylene glycol (antifreeze) 5%, N,N-dimethylacetamide (solvent) 10%, cyclohexanone (solvent) 9%, castor oil polyoxygen Vinyl ether (emulsifier) ​​6%, phenethylphenol polyoxyethylene method (emulsifier) ​​6%, deionized water to make up to 100%.

[0057] Example of Suspending Concentrate

[0058] Mix the active ingredients of pesticides, dispersants, wetting agents, thickeners, defoamers, antifreeze agents and water according to the ratio of the formula and mix them evenly. After wet sanding with a sand mill, the semi-products are obtained. After analysis Add water, mix evenly and filter to obtain the suspending agent.

Embodiment 3

[0059] Embodiment 3:50% Cyazofamida Metrafenone Suspending Concentrate

[0060] Cyazofamid 20%, metrafenone 30%, ethylene glycol (antifreeze) 5%, pull-off powder (wetting agent) 1.5%, sodium lignosulfonate (dispersant) 2%, polycarboxylate ( Dispersant) 3%, xanthan gum (thickener) 0.08%, sodium benzoate (preservative) 0.2%, silicone defoamer (defoamer) 0.1%, deionized water to make up to 100%.

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PUM

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Abstract

The invention discloses a cyazofamid-containing bactericidal composition and application thereof, the effective components of the cyazofamid-containing bactericidal composition are cyazofamid and metrafenone, the mass ratio of cyazofamid to metrafenone is 50: 1-1: 50, and the balance is auxiliary components which are allowed to be used and acceptable in pesticides. The bactericidal composition canbe prepared into microemulsion, emulsion in water, a suspending agent, wettable powder and water dispersible granules by using a known method. The composition disclosed by the invention has an obvious synergistic effect and can be used for preventing and treating powdery mildew on crops such as vegetables, melons and fruits.

Description

technical field [0001] The invention relates to a bactericidal composition, in particular to a bactericidal composition containing Cyazofim and its application for preventing and controlling crop diseases, belonging to the technical field of pesticides. Background technique [0002] Powdery mildew is a plant disease caused by fungi in the Powdery mildew family. For example: Cereal powdery mildew caused by Erysiphonium graminearum: Powdery mildew of melons, beans, hemp and other plants caused by cocklebur monofilament: Strawberry powdery mildew caused by strawberry hook silk shell: Baseball Powdery mildew of more than 80 kinds of trees such as mulberry, pear, persimmon, walnut, chestnut, litchi, papaya caused by needle shells; powdery mildew of Rosa flowers caused by monofilament shells of roses, etc. [0003] Powdery mildew is common in vegetable cultivation in energy-saving greenhouses, especially on melon crops such as cucumbers, zucchini, and melons, and is extremely har...

Claims

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Application Information

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IPC IPC(8): A01N43/50A01N35/04A01N43/54A01P3/00
CPCA01N35/04A01N43/50A01N43/54
Inventor 詹敏敏贾志新冯亚东严强杨的妹柴明根马超欧阳灿王光瀛
Owner JIANGXI HEYI CHEM