Sequence analysis of ITS and PCR rapid-detection of Colletotrichum gloeosporioides from Cymbidium ensifolium Cloning and Expression Analysis of CeActin Homologous Gene from Cymbidium ensifolium Cloning and Expression Analysis on AP1 Homologous Gene from Cymbidium ensifolium and Interaction Analysis Between AP1 and MADS-box Transcription Factors RAPD Analysis of Thirty-eight Cymbidium ensifolium Cultivars Cloning and Expression Analysis on AP1 Homologous Gene from Cymbidium ensifolium and Interaction Analysis Between AP1 and MADS-box Transcription Factors In Vitro Seed Germination and Developmental Morphology of Seedling in Cymbidium ensifolium Effect of Mycorrhizal Infection on Respiration and Activities of Some Oxidase in Rhizome of Cymbidium sinense and C.ensifolium RAPD Analysis of Thirty-eight Cymbidium ensifolium Cultivars