Preliminary Construction of Genetic Map in Tetraploid Alfalfa Identification and Molecular Mapping of Adult-plant Stripe Rust Resistance in Synthetic Wheat CI184 SSR of Genetic Distance and Clustering Analysis on Different Populus Section Clones Molecular Cytogenetics Identification of Wheat-Rye Alien Disomic Additional Line Genetic diversity assessment of Saccharum species and elite cultivars from China using SSR Markers Mapping Unequal Crossing Over Hotspot Region of Simple sequence Repeat in Maize Genetic diversity of native Elymus sibiricus populations in the Southeastern Margin of Qinghai-Tibetan Plateau as detected by SRAP and SSR markers