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本文介绍了特优6 4 9的选育过程、主要特征、栽培及制种技术要点。该组合是用龙特甫A与我所自选恢复系桂6 4 9配组而成,它具有生育期适中、株叶形态好、稳产高产等特点。于2 0 0 4年2月通过广西农作物品种审定委员会审定。
This paper introduced the breeding process, main characteristics, cultivation and seed production techniques of Teyou 6 4 9. The combination is a combination of Longtefu A and Guixian 6 9 9, which is a self-selected restoration system. It has the characteristics of moderate growth period, good plant morphology and high and stable yield. In February 2004 through the Guangxi Crop Variety Approval Committee validation.