Photosynthetic and Physiological Responses of Red Bud Taro Transplantating Seedlings under Salt Stress 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 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 Cryopreservation of Jiangxi Yanshan red bud taro (Colocasia esculenta var. cormosus cv. Hongyayu)embryogenic callus by vitrification and its plantlet regeneration Cryopreservation Technique of Jiangxi Yanshan Red Bud Taro(Colocasia esculenta L. Schott var. cormosus CV.Hongyayu) Embryogenic Callus by Droplet-vitrification