Table 7 Principal component analysis of naked barley accessions based on qualitative traits
From: Agro-morphological diversity of Nepalese naked barley landraces
Quantitative traits | PC1 | PC2 | PC3 | PC4 | PC5 |
|---|---|---|---|---|---|
Eigen value | 2.74 | 1.82 | 1.37 | 1.03 | 0.81 |
Proportion of variance | 0.27 | 0.18 | 0.13 | 0.10 | 0.08 |
Growth habit | − 0.21 | − 0.49 | 0.05 | − 0.37 | − 0.11 |
Stem pigmentation | 0.32 | − 0.12 | 0.31 | − 0.57 | 0.11 |
Tillering capacity | − 0.30 | 0.44 | − 0.09 | − 0.27 | 0.02 |
Spike density | 0.11 | − 0.06 | − 0.67 | 0.04 | − 0.53 |
Lemma awn/hoods | 0.42 | 0.19 | − 0.09 | − 0.07 | 0.25 |
Lemma awn barbs | − 0.38 | − 0.39 | − 0.09 | − 0.30 | − 0.03 |
Glume color | 0.01 | − 0.48 | 0.20 | 0.54 | 0.02 |
Grain color | 0.45 | − 0.23 | − 0.03 | 0.06 | 0.17 |
Grain size | − 0.06 | 0.22 | 0.61 | 0.11 | − 0.57 |
Overall phenotypic acceptance | 0.45 | − 0.06 | 0.02 | − 0.20 | − 0.51 |