Photosynthetic and Physiological Responses of Red Bud Taro Transplantating Seedlings under Salt Stress Cryopreservation of Jiangxi Yanshan red bud taro (Colocasia esculenta var. cormosus cv. Hongyayu)embryogenic callus by vitrification and its plantlet regeneration Establishment of Callus Induction and Regeneration System of Jiangxi Yanshan Red Bud Taro (Colocasia esculenta L. Schott var. cormosus CV.Hongyayu) Virus-Free Plantlet Corms Plant Regeneration from Corm Segments and Evaluations on Physiological and Photosynthetic Characteristics in Plantlets of Red Bud Taro Cryopreservation of Jiangxi Yanshan Red Bud Taro Embryogenic Calli by Encapsulation-vitrification