Research methods of degenerative mechanism of Gastrodiae elata and its prevention technology system Research methods of degenerative mechanism of Gastrodiae elata and its prevention technology system A genetic transformation study of introducing wildGastrodia elata DNA intoSolanum tuberosum by soaking seedling method Fingerprint Identification between Gastrodia elata Blume and Its Counterfeits with Infrared Spectroscopy Studies on chemical constituents of Gastrodia elata Chemical constituents from Gastrodia elata(Ⅲ) Chemical constituents from Gastrodia elata (II) Yield and Quality Variation in Two Varieties of Gastrodia elata Blume in Bionic Wild Cultivation at Different Altitudes Chemical constituents of Gastrodia elata Effects of different cultivation measures on phenophase and capsule of two varieties of Gastrodia elata