TABLE 4.
Eigenvalues of the principal component axes from the PCA of morphological characters in the studied accessions of E. angustifolia
| Character | Component | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
| Tree growth habit | −0.08 | −0.14 | −0.22 | 0.08 | −0.02 | −0.09 | −0.73** | −0.05 | 0.02 |
| Tree growth vigor | 0.08 | 0.79** | 0.01 | 0.08 | 0.08 | 0.13 | −0.14 | 0.02 | 0.23 |
| Tree height | −0.25 | 0.60** | −0.07 | −0.01 | 0.15 | 0.12 | −0.32 | −0.13 | −0.27 |
| Trunk color | −0.01 | 0.02 | 0.02 | 0.06 | −0.01 | −0.07 | 0.05 | 0.08 | 0.87** |
| Trunk diameter | −0.10 | 0.71** | 0.07 | −0.20 | 0.09 | 0.31 | −0.25 | −0.14 | 0.04 |
| Canopy density | −0.03 | 0.80** | −0.05 | 0.12 | 0.05 | −0.11 | 0.22 | 0.32 | −0.04 |
| Branching | 0.20 | 0.63** | 0.07 | −0.08 | −0.16 | −0.02 | 0.45 | −0.21 | −0.01 |
| Branch density | 0.11 | 0.74** | 0.10 | −0.09 | 0.01 | −0.05 | 0.31 | −0.24 | −0.03 |
| Branch flexibility | −0.20 | 0.02 | −0.32 | −0.12 | 0.24 | −0.09 | 0.50** | −0.01 | 0.31 |
| Thorn presence | −0.04 | −0.16 | −0.06 | 0.34 | −0.12 | −0.57** | 0.06 | −0.03 | 0.15 |
| Leaf density | −0.06 | 0.79** | −0.07 | 0.07 | 0.04 | −0.07 | 0.16 | 0.36 | −0.03 |
| Leaf shape | 0.01 | 0.04 | 0.87** | −0.09 | 0.08 | 0.06 | 0.06 | −0.09 | 0.08 |
| Leaf upper surface color | 0.03 | −0.16 | −0.19 | −0.58** | 0.18 | 0.25 | 0.16 | −0.17 | −0.07 |
| Leaf lower surface color | 0.01 | 0.03 | 0.04 | −0.01 | −0.11 | 0.04 | 0.01 | 0.86** | 0.08 |
| Leaf apex shape | −0.06 | −0.04 | 0.86** | −0.07 | 0.21 | −0.02 | −0.05 | 0.12 | 0.08 |
| Leaf length | 0.09 | 0.07 | −0.06 | −0.30 | 0.85** | −0.04 | −0.02 | −0.02 | −0.05 |
| Leaf width | 0.11 | −0.01 | −0.70** | −0.23 | 0.28 | −0.09 | −0.23 | −0.03 | 0.22 |
| Petiole length | −0.06 | 0.10 | 0.19 | 0.12 | 0.83** | 0.05 | 0.10 | −0.11 | 0.02 |
| Fruit yield | 0.42 | 0.39 | −0.03 | 0.37 | 0.02 | −0.25 | −0.01 | −0.23 | 0.11 |
| Fruit length | 0.96** | −0.03 | −0.03 | −0.06 | 0.01 | −0.03 | 0.03 | −0.08 | −0.03 |
| Fruit width | 0.83** | −0.01 | −0.07 | 0.17 | 0.08 | 0.38 | 0.04 | 0.09 | −0.05 |
| Fruit weight | 0.87** | 0.07 | −0.03 | 0.15 | 0.08 | 0.32 | 0.01 | 0.08 | 0.02 |
| Fruit shape | 0.80** | 0.00 | 0.04 | −0.21 | −0.03 | −0.25 | 0.07 | 0.03 | 0.01 |
| Fruit color | −0.02 | −0.09 | −0.12 | 0.85** | −0.02 | 0.15 | −0.04 | −0.07 | −0.03 |
| Fruit taste | 0.46 | 0.10 | 0.17 | −0.20 | −0.20 | 0.29 | −0.33 | −0.10 | 0.31 |
| Seed length | 0.93** | −0.03 | −0.04 | −0.11 | −0.02 | −0.07 | 0.01 | −0.11 | −0.02 |
| Seed width | 0.27 | −0.01 | 0.08 | 0.19 | −0.10 | 0.80** | 0.08 | 0.03 | 0.01 |
| Seed weight | 0.92** | −0.01 | −0.04 | 0.08 | −0.05 | 0.23 | −0.04 | 0.04 | 0.03 |
| Total | 5.37 | 3.96 | 2.30 | 1.78 | 1.78 | 1.75 | 1.57 | 1.27 | 1.20 |
| % of Variance | 19.18 | 14.15 | 8.23 | 6.35 | 6.35 | 6.25 | 5.61 | 4.54 | 4.28 |
| Cumulative % | 19.18 | 33.34 | 41.56 | 47.91 | 54.25 | 60.50 | 66.11 | 70.65 | 74.93 |
** Eigenvalues are significant ≥0.50.