Outcrossing Ra te and Gene Flow Estima tion of Azadirach ta indica RAPD Analysis for Mating System in Caldesia parnassifolia The Mating System of Ardisia crenata var. bicolor (Myrsinaceae), a Subtropical Understory Shrub in Tiantong National Forest Park, Zhejiang Province Determination of early maturing B.napus outcrossing rate Studies on Mating System of Ranalisma rostratum(Alismataceae) Analysis on Outcrossing Rate in a Masson Pine Clonal Seed Orchard during Early Phase of Seed Production Outcrossing Rates in 6 Natural Populations of Sorbus pohuashanensis Mating System and Genetic Diversity Proportion in Pinus bungeana Genetic Diversity and Mating System Analysis of Pinus massoniana in a Second-Generation Clonal Seed Orchard Monitoring genetic dynamics of Caribbean pine populations under different environments and management activities using genetic markers Mating system and genetic diversity of a rare desert legume Ammopiptanthus nanus (Leguminosae) An Estimation of the Outcrossing Rate in Sagittaria trifolia Using SSR Fluorescence Markers