58份青稞种质资源遗传多样性评价

卢晶, 余波, 江谧, 彭镰心, 任远航, 吴琪

Assessment of Genetic Diversity in 58 Germplasm Resources of Highland Barley

Lu Jing, Yu Bo, Jiang Mi, Peng Lianxin, Ren Yuanhang, Wu Qi

表5 青稞种质资源农艺性状主成分分析

Table 5 Principal component analysis the agronomic traits of 58 highland barley germplasm resources

性状Trait PC1 PC2 PC3 PC4 PC5 PC6 节间数NI -0.693 0.492 -0.053 -0.120 -0.109 0.241 旗叶长FLL 0.562 -0.444 0.150 -0.088 0.150 -0.285 旗叶宽FLW 0.527 0.211 0.003 0.014 -0.432 0.517 旗叶角FLA 0.490 0.406 -0.347 -0.075 -0.041 -0.238 卷叶LR 0.469 0.114 0.317 -0.395 -0.068 -0.339 穗下节间长UIL 0.336 0.754 0.013 -0.006 -0.283 -0.173 单株穗数NSPP 0.537 -0.609 -0.038 0.037 -0.249 -0.070 穗长SL -0.189 0.453 0.622 -0.154 0.366 -0.100 穗宽SW 0.453 0.183 0.591 -0.227 0.357 0.208 芒长AL 0.224 -0.409 -0.565 -0.349 0.200 0.244 粒长GL 0.433 -0.070 0.452 0.211 0.230 0.353 粒宽GW 0.212 0.287 -0.256 0.631 0.407 0.091 千粒重TGW -0.019 -0.386 0.423 0.694 -0.126 0.098 种皮颜色SCC 0.334 0.350 -0.400 0.442 0.369 -0.258 茎秆直径SD 0.465 0.387 0.024 0.147 -0.513 0.100 株高PH 0.346 0.173 -0.346 -0.370 0.399 0.370 特征值Eigenvalue 2.907 2.546 2.032 1.660 1.464 1.081 贡献率Contribution rate (%) 18.166 15.912 12.697 10.378 9.152 6.757 累计贡献率Accumulative contribution rate (%) 18.166 34.078 46.775 57.152 66.305 73.062