魔芋是近年来我国大力开发的一种多用途经济作物,成功的栽培可使亩产值达千元以上。通过几年来的实践,广大芋农已较为清楚的认识到魔芋栽培具有“本大、利大、风险大”的特点。“风险”主要来自“蔓延快、为害重、药剂防治难”的白绢病和软腐病。导致魔芋发病的因素 Amorphophallus konjac is a multi-purpose economic crop vigorously developed in our country in recent years. Successful cultivation can make the output value of mu more than thousand yuan. Through years of practice, the majority of taro farmers have more clearly realized that konjac cultivation has the characteristics of “big, big profits and big risks”. “Risks” mainly come from the “sclerotium” and “soft rot” which are characterized by “rapid spread, heavy damage and difficult medicament prevention and cure”. Cause the incidence of konjac factors