Comparison of Genetic Diversity between In-situ Conserved and Non-conserved Oryza rufipogon Populations in China Cytological and SSR Analysis on Cold tolerant Gene Introgression Lines from Dongxiang Wild Rice A NUMERICAL TAXONOMIC STUDY ON VARIATION IN POPULATIONS OF COMMON WILD RICE (ORYZA RUFIPOGON GRIFF.) IN HUNAN AND JIANGXI PROVINCE, CHINA SEED GERMINATION AND SEEDLING SURVIVAL OF ORYZA RUFIPOGON GRIFF.UNDER DIFFERENT TREATMENTS Study on Genetic Diversity of Dongxiang Wild Rice (Oryza rufipogon Griff.) -Allozyme Investigation and Analysis of Fertility Characteristics of Oryza rufipogon Griff . in North Part of Hainan Province Research Progress on Genetic Diversity of Oryza rufipogon in China Mating system and genetic diversity in a small population of perennial wild rice Oryza rufipogon Genetic Diversity of Three Wild Rice Species in Hainan Province Cytological Studies of Male Gametogenesis and Development in the Reciprocal Interspecific Hybrid F1 of Dongxiang Wild Rice (Oryza rufipogon) and Oryza sativa Comparative Study on Genetic Diversity of Wild Rice(Oryza rufipogon Griff.)in China and Three Countries in Southeast Asia