Antibacterial Activity of Polygonum Orientale Extracts Against Clavibacter Michiganensis subsp. michiganensis, the Agent of Bacterial Canker of Tomato Disease

Abstract

HIGHLIGHTS • P. orientale extracts had a strong antibacterial activity to inhibit Cmm. • Optimized extraction obtained high levels of antimicrobial substance production. • Living Cmm cells from survival rate test had almost no resistance or adaptability. • Cell membrane and cell wall of Cmm were the targets of antibacterial action. 2 Cai, J.; et al.