#$%^&*AU2020101721A420200917.pdf#####ABSTRACT The invention discloses a medicine for preventing and treating wheat scab, belonging to the field of pesticides, which comprises fenconazole and tebuconazole, wherein the mass ratio of fenconazole to tebuconazole is 2-5: 15-20； According to the invention, after the fenconazole and tebuconazole are reasonably mixed, the bactericidal activity is improved, the dosage is greatly reduced, and the synergistic effect is obvious； while the bactericidal effect is improved, the tolerance of wheat scab pathogen to medicaments is also reduced, especially the drug resistance of pathogenic bacteria to effective components in medicaments is obviously reduced； The medicine of the invention reduces the consumption of medicine, improves the yield and quality of wheat, reduces pesticide residues, reduces the side effects of overuse of pesticides on farmland ecology, and is an environment-friendly novel pesticide.
