青稞种质资源表型性状的遗传多样性分析及综合评价

白羿雄,郑雪晴,姚有华,姚晓华,吴昆仑

Genetic Diversity Analysis and Comprehensive Evaluation of Phenotypic Traits in Hulless Barley Germplasm Resources

YiXiong BAI,XueQing ZHENG,YouHua YAO,XiaoHua YAO,KunLun WU

表6 青稞种质资源表型性状的主成分分析

Table 6 Principal component analysis of phenotypic traits of hulless barley germplasm resources

性状Trait PV1a1i PV2a2i PV3a3i PV4a4i PV5a5i PV6a6i PV7a7i 根数NOR 0.604 0.205 -0.393 -0.318 -0.100 0.314 -0.205 根干重RDW (g) 0.664 0.242 -0.352 -0.297 -0.015 0.280 -0.196 株高PH (cm) 0.062 0.749 0.478 0.113 0.066 0.110 -0.059 分蘖数NOT 0.208 0.472 -0.683 0.286 -0.211 -0.065 0.269 重心位置COG (cm) 0.275 0.623 0.487 0.123 0.089 0.275 -0.046 茎秆壁厚WT (mm) 0.583 0.041 0.134 -0.389 0.428 -0.216 0.321 茎粗DMS (mm) 0.607 0.416 -0.049 -0.045 0.217 -0.481 0.125 茎秆强度SS (N) 0.750 0.012 0.022 -0.200 0.260 0.162 0.027 穗长SL (cm) 0.626 -0.238 0.219 0.229 -0.173 0.351 0.416 穗重PW (g) 0.758 -0.39 0.268 0.184 -0.063 -0.138 -0.248 小穗数SN 0.691 -0.345 0.197 0.252 -0.215 0.075 0.272 穗粒数KPS 0.753 -0.234 0.332 -0.026 -0.231 -0.247 -0.323 千粒重TGW (g) -0.008 -0.141 -0.172 0.691 0.603 0.165 -0.178 产量Y (kg·hm-2) 0.710 0.210 -0.371 0.421 -0.111 -0.225 -0.129 倒伏率LR (%) -0.267 0.666 0.296 0.140 -0.268 -0.119 -0.011 特征值E 4.786 2.337 1.754 1.318 0.945 0.874 0.739 贡献率CR (%) 31.909 15.580 11.692 8.785 6.301 5.827 4.927 累计贡献率CCR (%) 31.909 47.489 59.181 67.966 74.268 80.095 85.022