Amorphophallus is a monocotyledonous, perennial herb, which has been exploited largely for food, medicinal, chemical uses because of rich polysaccharides in the corms. In recent years, the rapid development of processing industry has driven the Amorphophallus production and accelerated the spread of planting areas. Along with the extention of the crop, diseases are getting more important and becoming the major obstacle in the production. Because the rapid development of Amorphophallus production is based on...