Regional test results of middle maturity rice groups in central and north of Guangxi

The results of regional test of middlematurity rice group in the central and north area of Guangxi were reported. Out of all samples, 8 hybrid combinations, HuaYou 107, JinYou T80, ZhongYou 315, You I 315, ZhongYou 317, Yue You 360, QiYou Gui 99 and TeYou 227, were better than or equal to their control varieties in integration of essential economic characters, resistance and rice quality, and then were recommended to the valuation of authority in Guangxi. The 8 combinations were approved be released by Guangxi Administration of Crop Varieties in Feb.2003.