Study on optimization of micro\|propagation system of Dendrobium officinale Kimura et Migo
(1 Zhejiang Zhongxin Medicinal Plants Seed Co. Ltd, Fuyang 311400, China; 2 Wuwangnong Group Co. Ltd, Hangzhou 310020, China; 3 The Agricultural Technology Promotion Center of Zhejiang Provincial Agriculture Department, Hangzhou 310020, China; 4 College of Life and Environment, Hangzhou Normal University, Hangzhou 310036, China)