Table 4 Eigenvalues of the principal component axes from the PCA of the morphological characters in the studied P. microcarpa accessions
From: Morphological and pomological diversity of wild Prunus microcarpa Boiss. germplasm
Character | Component | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | |
Tree growth habit | 0.64** | -0.50 | -0.19 | 0.05 | 0.15 | 0.30 | 0.08 | 0.02 | 0.01 | 0.08 | -0.13 |
Tree growth vigor | 0.30 | -0.14 | 0.13 | -0.01 | 0.15 | 0.66** | -0.05 | 0.24 | 0.10 | 0.05 | -0.02 |
Tree height | 0.51 | -0.27 | 0.12 | 0.05 | 0.09 | 0.62** | 0.11 | -0.01 | -0.13 | -0.04 | -0.03 |
Branching | -0.23 | 0.77** | -0.09 | -0.09 | -0.25 | 0.07 | -0.04 | 0.07 | 0.00 | 0.07 | -0.11 |
Branch density | -0.12 | 0.69** | -0.24 | -0.14 | -0.31 | -0.01 | -0.34 | 0.06 | -0.02 | 0.09 | 0.05 |
Branch flexibility | 0.59** | 0.20 | -0.07 | 0.29 | -0.03 | -0.25 | 0.15 | -0.05 | 0.10 | -0.10 | -0.15 |
Trunk type | -0.37 | 0.45 | 0.31 | 0.05 | 0.16 | -0.06 | 0.06 | -0.26 | -0.22 | -0.27 | 0.23 |
Trunk diameter | -0.17 | 0.24 | -0.04 | 0.00 | -0.05 | 0.01 | 0.05 | 0.68** | -0.06 | 0.08 | -0.13 |
Trunk color | -0.71** | 0.16 | 0.01 | -0.12 | -0.14 | -0.12 | 0.12 | -0.01 | -0.11 | 0.17 | -0.35 |
Canopy density | -0.09 | 0.85** | -0.12 | -0.15 | -0.11 | -0.09 | -0.05 | 0.07 | 0.01 | -0.02 | -0.02 |
Tendency to form suckers | -0.14 | 0.71** | 0.15 | -0.04 | 0.18 | 0.15 | -0.04 | -0.09 | -0.23 | -0.01 | 0.04 |
Young shoot spine | -0.76** | 0.44 | 0.04 | -0.12 | -0.23 | -0.29 | -0.11 | 0.04 | 0.00 | -0.03 | 0.01 |
Young shoot color | 0.06 | -0.28 | -0.02 | 0.00 | 0.04 | 0.12 | 0.29 | -0.01 | 0.19 | 0.19 | 0.60** |
Leaf density | -0.17 | 0.77** | 0.32 | -0.20 | 0.03 | -0.08 | -0.02 | 0.09 | 0.12 | -0.13 | -0.13 |
Leaf length | 0.65** | -0.25 | 0.31 | 0.07 | 0.13 | 0.26 | 0.41 | -0.11 | -0.03 | 0.19 | 0.01 |
Leaf width | 0.51 | -0.20 | -0.10 | 0.13 | 0.00 | 0.19 | 0.65** | -0.14 | 0.04 | 0.27 | 0.01 |
Petiole length | 0.37 | 0.02 | 0.73** | 0.10 | 0.08 | 0.24 | 0.11 | 0.07 | -0.22 | -0.20 | -0.01 |
Petiole width | 0.09 | 0.06 | 0.27 | 0.57** | -0.32 | 0.30 | 0.18 | 0.11 | -0.10 | -0.07 | 0.19 |
Leaf apex shape | 0.11 | -0.01 | 0.10 | 0.17 | -0.08 | -0.13 | 0.02 | 0.05 | 0.03 | 0.81** | 0.18 |
Leaf color | -0.03 | 0.21 | -0.22 | -0.25 | -0.18 | -0.33 | -0.18 | 0.00 | -0.08 | 0.20 | 0.56** |
Leaf shape | 0.21 | -0.02 | 0.25 | 0.16 | 0.02 | 0.38 | -0.56** | -0.24 | 0.10 | -0.22 | 0.15 |
Leaf serration depth | 0.19 | -0.15 | 0.08 | 0.17 | 0.00 | -0.01 | 0.76** | -0.06 | -0.02 | -0.18 | 0.13 |
Ripening date | -0.68** | 0.42 | 0.42 | 0.05 | -0.12 | -0.22 | -0.13 | 0.05 | -0.15 | -0.16 | -0.05 |
Fruit density | -0.07 | 0.30 | 0.08 | 0.11 | 0.02 | 0.67** | 0.00 | -0.01 | 0.17 | -0.13 | 0.04 |
Fruit shape | -0.04 | 0.08 | -0.16 | -0.08 | -0.10 | -0.02 | 0.08 | -0.84** | -0.03 | 0.05 | -0.12 |
Fruit length | 0.06 | -0.02 | 0.40 | 0.81** | -0.12 | -0.12 | -0.06 | -0.06 | -0.16 | 0.05 | -0.04 |
Fruit width | 0.00 | -0.28 | 0.23 | 0.66** | 0.12 | 0.14 | -0.12 | 0.39 | 0.00 | 0.06 | 0.01 |
Fruit stalk length | 0.14 | 0.18 | 0.53** | -0.17 | 0.52 | 0.23 | 0.09 | 0.02 | 0.06 | -0.35 | -0.21 |
Fruit stalk diameter | 0.01 | -0.01 | -0.17 | -0.09 | 0.14 | 0.10 | 0.04 | 0.04 | 0.84** | -0.08 | 0.14 |
Fruit weight | 0.06 | -0.19 | 0.08 | 0.69** | 0.20 | 0.14 | 0.20 | 0.00 | -0.01 | 0.09 | 0.05 |
Fruit color | 0.24 | -0.06 | -0.79** | 0.10 | 0.14 | 0.04 | 0.01 | 0.02 | 0.04 | -0.39 | 0.08 |
Fruit flesh color | -0.09 | 0.19 | -0.84** | -0.35 | -0.08 | -0.05 | 0.04 | -0.08 | 0.03 | -0.04 | 0.04 |
Fruit taste | -0.77** | 0.12 | -0.19 | -0.07 | -0.09 | -0.04 | -0.06 | 0.05 | 0.13 | -0.08 | -0.02 |
Fruit flesh firmness | -0.33 | 0.02 | 0.09 | -0.10 | -0.27 | -0.46 | 0.05 | 0.25 | 0.02 | 0.06 | 0.09 |
Fruit flesh thickness | -0.28 | 0.21 | 0.48 | 0.41 | 0.16 | 0.01 | 0.01 | 0.10 | -0.48 | -0.24 | -0.01 |
Fruit juice color | 0.08 | -0.10 | -0.84** | -0.33 | 0.07 | -0.08 | 0.05 | -0.08 | 0.14 | -0.02 | -0.04 |
Stone length | 0.30 | -0.17 | -0.01 | 0.74** | 0.06 | -0.03 | 0.04 | -0.10 | 0.13 | 0.07 | -0.22 |
Stone width | 0.05 | -0.22 | 0.03 | 0.39 | 0.78** | 0.13 | -0.06 | -0.04 | -0.10 | 0.06 | 0.01 |
Stone thickness | 0.27 | -0.11 | -0.06 | -0.10 | 0.79** | 0.14 | 0.02 | 0.08 | 0.07 | -0.14 | 0.00 |
Stone weight | 0.40 | -0.16 | -0.07 | 0.53** | 0.49 | 0.09 | 0.11 | 0.07 | 0.08 | 0.06 | -0.02 |
Stone shape | -0.11 | -0.11 | -0.13 | 0.29 | -0.38 | 0.13 | -0.22 | -0.13 | 0.59** | 0.23 | -0.18 |
Total | 5.07 | 4.63 | 4.28 | 3.82 | 2.66 | 2.56 | 2.01 | 1.72 | 1.71 | 1.61 | 1.22 |
% of Variance | 12.37 | 11.29 | 10.44 | 9.32 | 6.48 | 6.25 | 4.90 | 4.19 | 4.17 | 3.92 | 2.97 |
Cumulative % | 12.37 | 23.66 | 34.10 | 43.41 | 49.89 | 56.14 | 61.03 | 65.22 | 69.39 | 73.32 | 76.29 |