1　类型与来源　一级优质面包专用小麦新品种新冬 2 3号是由新疆农科院核生所从美国引进的一个Ｆ2分离群体与自育花培品系 88- 1 3 6杂交 ,1 992年利用花培技术加速纯化获得不同类型后代 ,根据大田表现和品质分析结果选育出的。经过多年种植观察和产量鉴定试验 ,于 1 997～ 1 9 1 type and source of a new high-quality bread wheat variety Xindong 2 3 by the Xinjiang Academy of Agricultural Sciences, a nuclear isolation plant introduced from the United States a F2 segregation groups and self-cultivation flowers 88-136 hybrids, 1992 Using flower culture technology to speed up the purification to obtain different types of offspring, breeding according to field performance and quality analysis results. After years of planting observation and yield test, at 1 997 ~ 1 9