2005~2015年丹玉系列种质基础综合分析与评价

通过近10年来对丹玉系列玉米品种丹玉86、丹玉69、丹玉96和丹玉606共4个国审品种和辽宁省审定64个品种的分析，总结利用的主要杂优模式Ried×旅大红骨有24个品种，外来种质×旅大红骨有26个品种，其他模式有10个品种。应用贡献率较大的自交系主要集中在旅大红骨、外来种质、Lancaster、Reid群，包括丹598、丹988、丹299、丹1324、丹9046、丹99长、丹黄34和丹717自交系。

Comprehensive Analysis and Evaluation of Danyu Series Germplasm Base from 2005 to 2015

Danyu series varieties that released by national such as Danyu 86, Danyu 69, Danyu96, Danyu606, and 64 varieties that released by Liaoning provincial approval committee in recent ten years were analyzed. It was found that there are two main Heterotic patterns were used, twenty four varieties were from Ried×Lvdahonggu 24, twenty-six varieties were from exotic germplasm×Lvdahonggu 26, ten varieties were from ohter Heterotic patterns. The larger contribution rate in applicating inbred lines mainly concentrated in Lvdahonggu, exotic, Lancaster, Reid groups, such as Dan598, Dan988, Dan299, Dan1324, Dan9046, Dan99chang, Danhuang34, Dan717 etc. inbred lines.