魔芋软腐病与根腐病是魔芋上两大病害,在生产上造成损失占病害损失总量的４０%以上,有时成为主要发生的病害种类。二者症状既有相似且不易分开,防治上也有侧重点。一、症状及区分方法魔芋软腐病为细菌性病,主要危害魔芋块茎、茎秆及叶片,造成茎秆软腐、流汁、叶片黄化｜块茎腐 Konjac soft rot and root rot are the two major diseases of konjac, resulting in the loss of production accounted for more than 40% of the total disease damage, and sometimes become the main types of diseases that occur. Both symptoms are similar and not easy to separate, prevention and treatment also have emphasis. First, the symptoms and differentiation konjac soft rot disease as a bacterial disease, the main hazard konjac tubers, stems and leaves, resulting in stem soft rot, juice flow, leaf yellow | tuber rot