Diurnal Changes of Gentiana macrophylla and G. dahurica in Photosynthesis Contents of seven indicative constituents in seven kinds of Gentiana macrophylla by UPLC Studies on Formation of Stele Division and Accumulation of Gentiopicroside of Gentiana macrophylla Pall.’Root Cell suspension culture of Gentiana macrophylla (Ⅱ) Tissue Culture and Plantlet Regeneration of Gentiana macrophylla Relationship between biomass in ground and underground parts of Gentiana macrophylla and its rhizosphere microbial community structure Relationship between biomass in ground and underground parts of Gentiana macrophylla and its rhizosphere microbial community structure