Sterilization composition containing fluazinam and picoxystrobin, and applications thereof

Abstract

The present invention discloses a sterilization composition containing fluazinam and picoxystrobin, and applications thereof, and belongs to the technical field of pesticides. According to the sterilization composition, fluazinam and picoxystrobin are adopted as main active components, a weight ratio of the fluazinam to the picoxystrobin is 1-70:1-50, and the sterilization composition can be used for prevention and control of fungus plant diseases of cereal crops and melon and fruit or vegetable crops, particularly for prevention and control of leaf blight, anthracnose, cladosporium cucumerinum, blue mold, powdery mildew, blight, rust disease, downy mildew, corky scab, brown spot, drooping disease, and gray mold, and has characteristics of high synergetic synergism, overcome and delaying of drug resistance of bacteria, control spectrum expanding, rapid sterilization, long lasting period, application cost reducing, and more excellent prevention and control effect compared with the single agent effect.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and relates to a bactericidal composition and its application, in particular to a bactericidal composition with fluazinam and picoxystrobin as main active ingredients and its application. Background technique [0002] Fluazinam, pure product is yellow crystalline powder, melting point 115-117°C, vapor pressure 1.5mpa (25°C). Density 0.366g / mL (25°C). Solubility in water 1.7mg / L (pH7, 20°C), solubility in organic solvents (g / L, 20°C): toluene 410, dichloromethane 330, ether 320, ethanol 150, n-hexane 12. Stable to heat, acid and alkali. Chemical name: N-[3-chloro-5-(trifluoromethyl)-2-pyridyl]-3-chloro-4-(trifluoromethyl)-2,6-dinitroaniline, molecular formula: C 13 h 4 Cl 2 f 6 N 4 o 4 , the structural formula is as follows: [0003] [0004] Fluazinam is a low-toxicity fungicide, acute oral LD ​​in rats 50 >5000mg / kg, acute percutaneous LD in rats 50 >2000mg / kg. It is an e...

AI Technical Summary

Problems solved by technology

But like other fungicides of this type, the single mechanism of action limits the long-term single use of the drug

[0008] 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, and the control effect of a single agent is greatly reduced. Both picoxystrobin and fluazinam are facing such problems. Therefore, plant disease control will inevitably face major challenges. challenge

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