建莲腐败病的识别与防治

莲腐败病是建莲生产过程中最常发生的病害，主要为害地下茎，造成地上部叶、花枯萎死亡。莲腐败病由多种病原茵引起，主要为尖镰孢菌莲专化型，为土传病害。选择无病、健壮、抗病种藕，合理轮作，对土壤及种藕消毒，化学防治等是预防该病害的几种有效的方法。

Identification and Control of Rot Disease of Jian-lotus

Rot disease is the most common disease in the planting process of Jian-lotus, which mainly causes damage to the subterranean stem and then results in the wilting and death of upper leafs and flowers. Rot disease is a soil-borne disease caused by various pathogens, but mostly by Fusarium oxyspornm f. sp. nelumbicola. So the effective prevention methods were selecting disease-free and disease-resistant lotus roots, performing proper rotation modes, disinfecting the soil and lotus roots and conducting chemical control.