优质晚籼品种“923”的选育初报

Preliminary Report on Breeding of “923”a Late Season Indica Rice Variety with High Quality

用早熟亲本“莲塘早”，抗性较好的“ＩＲ３６”和优质稻“外３”、“涟选籼”进行复合杂交，采用系谱法经多代选择育成优质晚籼品种“９２３”。报道了“９２３”的选育经过，介绍了其主要性状表现、试种情况和栽培技术要点，对优质稻的育种提出了讨论意见。

?23”, a late season indica rice variety with high quality was bred via linear selection from the compound cross among “Liantangzao”,“IR36”,“Wai No.3” and “Lianxuanxian”.The paper reports the breeding of “923”,good traits of “923”,the situation of its planting and the main technologies of its cultivation. It has also discussed the breeding of rice variety with high quality.