Bactericidal composition containing fluoxastrobin and cyazofamid and application thereof

Abstract

The invention discloses a bactericidal composition containing fluazoxystrobin and cyafamid and application thereof. The bactericidal composition uses fluoxastrobin and cyafamid as main active ingredients, wherein the mass ratio of fluoxastrobin to cyafamid is 50:1-1:60. The fungicidal composition can be used to prevent and control diseases of cereals, fruit trees, and vegetables, especially can be used to prevent and control fungal diseases such as powdery mildew, rust, glaucoma, net spot, downy mildew, and late blight, and has a high synergistic growth rate. Effectiveness, overcoming and delaying the drug resistance of bacteria, fast sterilization speed, long duration, reduced application cost, and the control effect is obviously better than its single agent use.

Description

[0001] Technical field: [0002] The invention relates to a bactericidal composition and its application, in particular to a bactericidal composition with fluoxastrobin and cyafamid as main active ingredients and its application. Background technique [0003] Fluoxastrobin (Fluoxastrobin) is a mitochondrial respiration inhibitor. Its mechanism of action is to inhibit mitochondrial respiration through electron transfer between cytochrome b and C1. Good compatibility and appropriate processing can further improve its penetration into the leaves through the cuticle. Although its absorption capacity through seeds and roots is poor, when used as a seed treatment agent, it has good killing and long-lasting effects on seedlings and seed-borne and soil-borne diseases. [0004] Cyazofamid, molecular formula: C 13 h 13 ClN 4 o 2 S, chemical name: 4-chloro-2-cyano-N,N-dimethyl-5-p-tolylimidazole-1-sulfonamide. Structural formula: [0005] [0006] Cyazofamizol belongs to the su...

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Problems solved by technology

[0007] At present, the prevention and control of plant pathogens is becoming more and more difficult. On the one hand, with the change of planting structure, the planting area of ​​economic crops such as melons, fruits and vegetables has gradually expanded, and the degree and number of diseases have increased, making the prevention and control more difficult. On the other hand, the resistance of pathogenic bacteria is increasing year by year under the pressure of continuous agent selection, the control effect of a single agent is greatly reduced, and the control of plant diseases is facing a major challenge

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