加拿大玉米群体与黑龙江省部分早熟骨干系杂种优势分析  

Analysis of Heterosis Among Heilongjiang Early Maize Inbred Lines and Canadian Maize Populations

作　　者：王霞[1] 李新海[2] 李明顺[2] 张林[1] 王振华[1] 

机构地区：[1]东北农业大学农学院,哈尔滨150030 [2]中国农业科学院作物科学研究所/农业部作物遗传育种重点实验室,北京100081

出　　处：《玉米科学》2009年第5期35-37,48,共4页Journal of Maize Sciences

基　　金：国家"十一五"支撑计划(2006BAD01A03);"十一五"引进国际先进农业科学技术重大合作项目(2006-G3)资助

摘　　要：采用NCⅡ设计,以8个黑龙江省常用早熟骨干自交系为测验种,对20个加拿大玉米群体的产量配合力及杂种优势进行分析。结果表明,群体EP8、EP17、EP7、EP13和EP15产量一般配合力(GCA)较高,利用这些群体较易组配出高产杂交组合。以产量特殊配合力(SCA)为指标,发现K10与EP6、EP11、EP12、EP14,L105与EP18、EP19、EP20、EP22、EP23,甸11A与EP7、EP8、EP9,东237与EP1、EP16、EP17,合344与EP3、EP13,龙抗11与EP15,熊掌与EP10、EP21遗传关系较近。从产量平均优势分析可见,部分群体杂种优势组合模式为EP7×K10、EP18×K10、EP1×龙抗11、EP12×龙抗11、EP17×熊掌、EP14×甸11A、EP23×甸11A、EP3×东237、EP21×东237。In this experiment, analysis of combining ability and heterosis among 8 Heilongjiang elite inbred lines and 20 Canadian populations were made by NC Ⅱ design. The results showed that the general combining ability of yield in EPS, EP17, EP7, EP13 and EP15 were higher than that of other populations. To yield special combining ability as an index, found that K10 and EP6, EPll, EP12, EP14; L105 and EP18, EP19, EP20, EP22, EP23; Dian11 A and EPT, EPS, EP9; Dong237 with EP1, EP16, EP17; He344 and EP3, EP13; Longkangll and EP15; Xiongzhang and EP10, EP21 also had close genetic relationship respectively. From the analysis of using yield average heterosis, we could know that part pattern heterotic models are EP7 × K10, EP8 × K10, EP1 × Longkang11, EP12 × Longkang11, EP17 × Xiongzhang, EP14 × Dian11A; EP23 × Dian11A, EP3 × Dong237, EP21 × Dong237.

关 键 词：玉米 早熟群体 杂种优势 

分 类 号：S513.035.1[农业科学—作物学]