▎ 摘　　要

NOVELTY - A bactericidal composition comprises 15-25 wt.% cucurbitine, 1-10 wt.% N-glycoside antibiotic, 0.4-1 wt.% graphene oxide, and balance auxiliary agent. The composition is in the form of wettable powder, suspending agent, or water dispersible granule. USE - A bactericidal composition used for preventing soft rot of potato (claimed). ADVANTAGE - The composition contains raw materials having good synergism, improves sterilizing effect, prevents pathogenic bacteria drug resistance, and is inexpensive.