Effects of Supplementary Uv-B Radiation on Net Photosynthetic Rate in the Alpine Plant Gentiana Straminea HPLC Fingerprinting of Gentiana straminea,a Traditional Chinese Medicine from Qinghai Province HPLC Determination of Contents of Four Active Constituents in Tibetan Medicine Gentiana straminea ( Gentianaceae) During Different Growing Period Pollination ecology of Gentiana siphonantha (Gentianaceae) and a further comparison with its sympatric congener species HPLC-Fingerprint of Qinghai genuine medicinal herb--Gentiana straminea Effects of Enhanced UV-B Radiation on Antioxydative Enzymes in Gentiana straminea Leaves Diurnal Comparison of the Net Photosynthetic Rates and Chlorophyll Fluorescent Parameters of Gentiana straminea Maxim.in Xining and Haibei Determination and evaluation of two iridoids in Gentiana straminea herbs by HPLC Genetic diversity of germplasm resources of Gentiana straminea from Tibet of China A study on the filling dynamics and germination characteristics of Gentiana straminea Ecology suitability study of Chinese materia medica Gentianae Macrophyllae Radix The causes of Gentiana straminea Maxim. seeds dormancy and the methods for its breaking Determination of five active constituents in aerial part of Tibetanmedicine Gentiana straminea by HPLC Pollination ecology of Gentiana straminea Maxim. (Gentianaceae), an alpine perennial in the Qinghai-Tibet Plateau Effects of UV-B Radiation of Different Intensity on the Photosynthesis and the Dark Respiration of Alpine Plant Gentiana straminea Non iridoid constituents from roots of Gentiana straminea THE DEVELOPMENT ANATOMY OF STALAR DIVISION IN GENTIANA STRAMINEA ROOT