Cloning and Prokaryotic Expression of MrLEA2 from Medicago ruthenica Screening of Drought- and Salinity-responsive EST-SSR Markers in Medicago ruthenica Trautv. The genetic diversity of three ecological Medicago ruthenica germplasms revealed by ISSR and SSR Karyotype Analysis of Wild Yellow Type Medicago ruthenica L. Diversity and community structures of the endophytic actinomycetes isolated from Medicago ruthenica Correlation Analysis between Leaf Anatomic Traits and Environment Factors of Medicago ruthenica Response of Leaf Anatomy Characteristics and Its Plasticity to Different Soil-water Conditions of Medicago ruthenica in Four Populations Genetic Diversity of 24 Medicago ruthenica Populations Using SSR Markers Genetic Variation of Allozymes in Medicago ruthenica Effects of NaCl Stress on the Electric Conductivity and Fluorescence Parameters of Medicago ruthenica Path Analysis on Seed Yield Components of Wild Medicago ruthenica Comparative study on drought resistance and salt tolerance of Medicago ruthenica and Medicago sativa at seed germination period Genetic Diversity Analysis of Medicago ruthenica by ISSRs in China Analysis of Flower Character Variation of Medicago ruthenica in Inner Mongolia cDNA-AFLP Analysis of Cold-induced Genes in Medicago ruthenica