高产稳产中熟杂交水稻组合中优315选育

The Selection and Breeding of Middle-ripeness Hybrid rice "Zhongyou 315" with High and Stable Yield

中优315是广西大学利用优质不育系中九A与自选优质恢复系测315配组育成的中熟杂交水稻组合,具有高产、稳产、生育期适宜、米质较优等特点,2003年2月通过广西壮族自治区农作物品种审定委员会审定。文章介绍了中优315的选育经过、主要特征特性、栽培和制种技术要点。

Zhong You 315 is a hybrid rice combination derived from good quality male sterile line ＂Zhong 9 A＂ and good quality restorering line Ce 315. It has characteristics of high and stable yield, suitable maturity and good grain quality. It was certified by the Crop Appraisal Committee of Guangxi in Feb, 2003. The breeding procedure, major characteristis, cultural practice and seed production of Zhong You 315 were introduced in this paper.