【Objective】To confirm genetic diversity distribution center of common wild rice,Oryza rufipogon Griff.,in Guangxi,and construct the core collection which will provide a reference for protecting and utilizing wild rice resources in Guangxi. 【Method】A total number of 623 common wild rice resources from Yujiang River Basin,Hongshui River Basin,Nanliujiang River Basin and Guibei Mountain were used to study the genetic diversity with 24 SSR markers. The stepwise cluster analysis was used to construct 10% and 5% ...