小麦苗期生物量及氮效率相关性状的全基因组关联分析

张鹏霞,周秀文,梁雪,郭营,赵岩,李斯深,孔凡美

Genome-Wide Association Analysis for Yield and Nitrogen Efficiency Related Traits of Wheat at Seedling Stage

ZHANG PengXia,ZHOU XiuWen,LIANG Xue,GUO Ying,ZHAO Yan,LI SiShen,KONG FanMei

表3 与苗期生物量及氮效率相关性状显著关联（P≤0.001）的环境稳定SNP标记

Table 3 SNPs associated with stable sites in multiple environments for traits related to biomass and nitrogen efficiency (P≤0.001)

性状 Trait 环境 Environment 标记 Marker 染色体 Chr. 位置 Position (bp) P 贡献率 R2(%) 最大值 Max 最小值 Min RNUE T1E1, T3AV, T3E2 RAC875_c29540_391 1A 8290703 9.95E-04 1.39E-05 11.05—18.34 根系干重RDW T2E1, T3AV, T3E2 BobWhite_c9881_1312 1B 10256166 3.58E-04 3.49E-04 10.09—10.13 根系氮利用效率RNUE T2AV, T2E1, T3E1 BobWhite_c9881_1312 1B 10256166 7.45E-04 3.75E-05 9.04—13.69 地上部氮含量SNC T1E1, T3AV, T3E2 GENE-0427_442 1B 5688119 5.79E-04 8.62E-05 9.35—12.35 植株总干重TDW T1E1, T3AV, T3E2 GENE-0427_442 1B 5688119 6.54E-04 1.88E-04 9.17—11.11 植株总氮含量TNC T1E1, T3AV, T3E2 GENE-0427_442 1B 5688119 6.25E-04 1.08E-04 9.23—11.98 地上部氮含量SNC T2AV, T2E1, T1E2 wsnp_RFL_Contig3060_2967139 2A 9928033 8.05E-04 1.87E-04 11.41—13.91 植株总氮含量TNC T2AV, T2E1, T1E2 wsnp_RFL_Contig3060_2967139 2A 9928033 2.95E-04 2.05E-04 12.57—13.74 植株总氮利用效率TNUE T2AV, T2E1, T1AV, T1E2 Kukri_c65481_121 3B 13483435 7.19E-04 2.08E-04 9.09—11.40 根系氮利用效率RNUE T1AV, T1E1, T3AV, T3E2 tplb0025f09_1052 4B 1591267 7.25E-04 1.32E-09 11.49—36.09 地上部干重SDW T2E2, T1AV, T1E1 wsnp_Ku_c1765_3452586 6A 14086572 6.09E-04 1.39E-04 9.07—11.58 生物量根冠比RSDW T2AV, T2E2, T3E2 BS00022498_51 7B 6251008 5.32E-04 3.25E-04 12.01—12.85