早稻新组合陆两优105的选育与应用技术

陆两优105是湖南亚华种业科学院用广亲和低温敏两用核不育系陆18S和自育的优质父本华105选配而成的两系法杂交早稻新组合。2003~2004年参加湖南省早稻区试,表现丰产稳产好、熟期适中、品质优良、适应性较广等特点,具有较大的应用前景。该组合于2005年12月通过湖南省农作物品种审定委员会审定。

Breeding and Application of New Early Hybrid Rice Combination Luliangyou 105

Luliangyou 105,developed by Yahua seeds institute of Hunan,is a new two-line early hybrid rice combination derived from the cross of Lu 18S,a PTGMS line with low critical sterility-inducing temperature and wide compatibility,and a new restorer line Hua105.In the early rice regional trials of Hunan province in 2003 and 2004,the combination was characterized with high and stable yielding ability,suitable growth duration,strong resistance,comparatively good rice quality,wide adaptability,and showed a good applied prospect.It was registered and released to commercial production in Hunan province,2005.The breeding procedure of Luliangyou 105 and its characteristics,the major cultivation and seed production techniques were introduced in this paper.