基金国家科技支撑计划项目(2007BAD30B00)广西区回国基金(桂科回0991011)+2 种基金广西自然科学基金(桂科基0639009)广西甘蔗分子遗传与品种改良研究重点实验室建设项目the USDA-ARS,Sugarcane Research Laboratory,Houma,LA,U.S.A.under a Non-funded Cooperative Agreement(USDA Control No.410334) between the Sugarcane Research Center,Chinese Academy of Agricultural Sciences,Nanning 530007 and the USDA-ARS,Sugarcane Research Laboratory,Houma,LA70360,U.S.A~~