南斯拉夫玉米自交系的配合力分析与利用  

Analysis of the combining ability of the Yugoslavia maize inbred lines and their utilization

作　　者：李玉玲[1] 陶华[1] 王延召[1] 贾建修 孔凡杉 靳秋生 张志梅 

机构地区：[1]河南农业大学农学院,河南郑州450002 [2]新安县种子公司,河南新安471800 [3]焦作市农业科学研究所,河南焦作454151 [4]<河南农业>杂志社,河南郑州450003

出　　处：《河南农业大学学报》2001年第3期202-205,共4页Journal of Henan Agricultural University

基　　金：河南省科委攻关项目( 9910 10 2 31)

摘　　要：以 9个南斯拉夫玉米自交系为母本 ,7个分属于不同杂种优势类群的骨干系为父本 ,组配成 6 3个测交组合 ,研究了南斯拉夫自交系 7个性状的配合力 .结果表明 ,980 9各性状的GCA均为显著正值 ,组配出的 980 9×S2 2 杂交组合较对照增产41 6 % ,是最有直接利用价值的自交系 .980 5 ,980 6自交系单株产量的GCA为极显著正值 ,但未组配出超对照的杂交组合 .其余 6个自交系无直接利用价值 .Nine maize inbred lines from Yugoslavia were crossed as female parents with seven Chinese elite inbred lines as male parents belonging to different heterotic groups and the GCA and SCA of 7 ear kernel characteristics of the introduced lines and their utilization in breeding were analyzed.The results were as follows:The GCA of almost all the characteristics for 9809 were significantly positive.9809×S 22 ,with the highest per plant yield which was 41.6% higher than that of the CK,had great direct utilization value in breeding.The GCA of per plant yield of 9805 and 9806 were also significantly positive,but no high yield crosses containing these two lines were found in this trial.The GCA of the other six inbred lines were all significantly negative and thus had no direct utilization value in cross making.But they might be used to improve the lines from their relative low heterotic groups.

关 键 词：南斯拉夫玉米 自交系 配合力 玉米 

分 类 号：S513[农业科学—作物学]