芋又名芋头、芋艿 ,是世界各地广为栽培的蔬菜兼粮食作物。在长期利用球茎进行无性繁殖过程中 ,栽培芋已普遍受到病毒侵染 ,目前报道的芋病毒中分布最广、危害最大的是芋花叶病毒 ,感染这种病毒的植株生活力降低 ,球茎大小、数量和品质下降 ,其产量损失近 60 %。本试验以北方旱 Taro, also known as taro taro, is widely cultivated vegetables and food crops around the world. In the long-term use of bulbs for asexual reproduction, cultivation of taro has been generally affected by viruses, the most widely reported taro virus is the most damaging is the taro mosaic virus, the virus infects the plant viability reduced, the size of the bulbs , The quantity and the quality drop, its production loss nearly 60%. The northern drought in this experiment