中国玉米骨干亲本黄早四杂种优势形成的遗传基础解析

李永祥,李春辉,杨俊品,杨华,程伟东,汪黎明,李凤艳,李会勇,王延波,李淑华,扈光辉,刘成,黎裕,王天宇

Genetic Dissection of Heterosis for Huangzaosi, a Foundation Parental Inbred Line of Maize in China

LI YongXiang,LI ChunHui,YANG JunPin,YANG Hua,CHENG WeiDong,WANG LiMing,LI FengYan,LI HuiYong,WANG YanBo,LI ShuHua,HU GuangHui,LIU Cheng,LI Yu,WANG TianYu

表3 郑58测交群体单穗产量和小区产量QTL定位结果

Table 3 QTL related to ear yield and plot yield for test-cross population of Zheng 58

性状 Trait 标记 Marker 染色体 Chr. 物理位置a Pos. (Mb) P值 P-value 贡献率 PVE (%) 染色体区间 Interval (Mb） 有利等位变异来源b Source of favorable allele 单穗产量 Ear yield m81 1 14.95 6.03E-07 4.63 14.80—16.35 HZS m325 1 167.86 7.79E-07 4.57 152.50—180.61 HZS m595 1 266.37 1.45E-06 4.43 265.52—269.51 HZS m802 2 6.60 3.42E-05 3.51 5.92—7.22 HZS m1194 2 208.38 8.79E-08 4.87 208.12—210.06 HZS m1548 3 158.90 7.82E-15 8.72 156.48—160.01 None-HZS m2957 6 32.46 8.34E-07 4.55 7.04—36.62 HZS m3973 8 121.80 7.74E-07 4.57 106.85—131.35 HZS m4334 9 77.02 5.22E-08 4.99 56.13—91.77 None-HZS 小区产量 Plot yield m81 1 14.95 1.55E-04 3.79 12.86—15.91 HZS m295 1 89.28 2.20E-06 4.94 86.67—91.25 HZS m593 1 265.59 8.95E-06 4.57 257.97—268.17 HZS m1550 3 159.68 9.80E-15 9.90 156.48—162.18 None-HZS m2330 5 0.90 1.02E-06 4.93 0.89—1.34 HZS m2481 5 26.10 6.80E-06 4.43 25.71—32.09 HZS m2960 6 35.32 6.71E-05 4.02 3.91—36.62 HZS m3973 8 121.80 2.19E-08 6.15 121.67—128.75 HZS m4381 9 107.33 3.55E-06 4.60 89.39—107.55 None-HZS m4837 10 137.28 7.38E-07 5.23 134.59—137.50 HZS