Collection,Check and Utilization of Local Varieties of Fritillaria thunbergii Miq. Study on the Pollen Morphology, Taxonomy and Clustering of the Local varieties of Apples Study on the Genetic Diversity of the Alfalfa Local Varieties(Medicago sativa L.)based on RAPD markers Study on the Genetic Diversity of the Alfalfa Local Varieties(Medicago sativa L.) in China:Seed Storage Protein Markers