Physiological Responses of Miscanthus sacchariflorus Seedlings under Mixed Salt Alkali Stress STUDY ON THE CULTURE OF DIFFERENT EXPLANTS OF MISCANTHUS SACCHARIFLORUS(MAXIM.)BENTH ET HOOK IN VITRO Preliminary Evaluation on Salinity Tolerance of Miscanthus sinensis Anderss. and M.sacchariflorus(Maxim.) Benth.of China A COMPARATIVE STUDY ON THE ANATOMY OF STEM AND ITS FIBER OF Efficient Induction of Callus and Plant Regeneration from Miscanthus sacchariflorus Young Ear