中文摘要：

以优良自交系综3为供体亲本、许178为受体亲本，通过杂交、回交、自交，结合SSR分子标记辅助选择的方法。构建了一套许178遗传背景的综3染色体单片段代换系（Single segment substitution lines, SSSLs）．该群体包含100个含有不同染色体片段的SSSLs，分布在玉米的10条染色体上，片段长度为2．25～186．03cM，平均长度为53．15cM，导入染色体片段总长为5314．80cM，覆盖率为47．85％．

英文摘要：

The elite inbred lines Zong 3 and Xu 178 were used as a donor and receptor parent for constructing a set of single segment substitution line （SSSLs） in maize, respectively. The SSSLs of Zong 3 on Xu 178 genetic background were constructed by means of cross, backcross, selfing and marker assistant selection with SSR markers. The population included 100 SSSLs that distributed on 10 chro- mosomes in maize, and the substituted chromosomal segment length ranged from 2.25 to 186.03 cM. The total segment length was 5 314.80 cM with average length of 53.15 cM and 47.85% coverage in maize total genome.