Yield and Quality Variation in Two Varieties of Gastrodia elata Blume in Bionic Wild Cultivation at Different Altitudes Influences of wild,degradative,and rejuvenative Armillearia mellea on yield of Gastrodia elata and content of gastrodin Chemical constituents from Gastrodia elata(Ⅲ) tudies on influences of Armillaria mellea strains from different sources on yield of Gastrodia elata Genetic diversity of Gastrodia elata based on SRAP analysis Fingerprint Identification between Gastrodia elata Blume and Its Counterfeits with Infrared Spectroscopy 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 Effects of different cultivation measures on phenophase and capsule of two varieties of Gastrodia elata Distinction between Gastrodia elata and its four falsified specimens and determination of gastrodin by capillary electrophoresis Studies on cultivation of Gastrodia elata to lower expense and increase yield A genetic transformation study of introducing wildGastrodia elata DNA intoSolanum tuberosum by soaking seedling method Quantitative Analysis of L-Pyroglutamic Acid of Tall Gastrodia (Gastrodia elata) by HPLC Studies on chemical constituents of Gastrodia elata Chemical constituents of Gastrodia elata Chemical constituents from Gastrodia elata (II) THE HYBRID SUPERIORITY OF GASTRODIA ELATA Research on variable-temperature drying process of Zhaotong Gastrodia elata Bl. f. glauca S. Chow