Table 1.
Analysis of variance, mean, range, and broad-sense heritability of 23 traits under P-deficiency conditions.
Traits | Mean | Minimum | Maximum | CV (%) | F ratio | P | H2 (%) |
---|---|---|---|---|---|---|---|
Shoot length (cm) | 20.48 | 2.55 | 33.02 | 36 | 6.40 | 0.0001 | 54.7 |
Tillers plant−1 | 2.00 | 1.00 | 6.00 | 45 | 3.60 | 0.0001 | 42.4 |
Leaf number plant−1 | 8.00 | 1.00 | 22.00 | 46 | 8.79 | 0.0001 | 59.7 |
Leaf length (cm) | 11.19 | 1.55 | 23.40 | 36 | 6.98 | 0.0001 | 56.2 |
Leaf width (cm) | 0.34 | 0.10 | 0.88 | 38 | 5.70 | 0.0001 | 52.6 |
Stem thickness (mm) | 1.44 | 0.53 | 2.84 | 35 | 3.72 | 0.0001 | 43.2 |
Max. root length (cm) | 10.93 | 2.67 | 17.92 | 28 | 2.61 | 0.0001 | 33.4 |
SPAD | 24.28 | 12.10 | 38.28 | 23 | 3.29 | 0.0001 | 40.1 |
Shoot dry weight (g) | 0.39 | 0.04 | 2.24 | 89 | 20.21 | 0.0001 | 67.9 |
Root dry weight (g) | 0.13 | 0.01 | 0.78 | 95 | 6.85 | 0.0001 | 55.9 |
Total dry weight (g) | 0.53 | 0.05 | 2.57 | 91 | 16.72 | 0.0001 | 66.5 |
Root-shoot length ratio | 0.45 | 0.10 | 2.00 | 67 | 13.08 | 0.0001 | 64.4 |
Total root length (cm) | 675.85 | 101.65 | 1479.65 | 41 | 21.47 | 0.0001 | 68.3 |
Total root projected area (cm2) | 35.54 | 2.32 | 76.69 | 41 | 11.42 | 0.0001 | 62.9 |
Total root surface area (cm2) | 111.03 | 7.29 | 240.92 | 42 | 11.35 | 0.0001 | 62.9 |
Root avg. diam. (mm) | 0.58 | 0.22 | 1.24 | 32 | 7.05 | 0.0001 | 56.4 |
Root volume (cm3) | 2.23 | 0.08 | 7.65 | 65 | 10.28 | 0.0001 | 61.7 |
Root tips | 2551.49 | 318.50 | 6846.00 | 40 | 7.38 | 0.0001 | 57.1 |
Root-shoot dry wt. ratio | 0.63 | 0.26 | 2.22 | 55 | 6.13 | 0.0001 | 54.0 |
Top-view area (mm2) | 1430.52 | 106.36 | 4470.78 | 61 | 25.11 | 0.0001 | 69.3 |
Mycorrhiza colonization (%) | 37.26 | 10.00 | 80.00 | 38 | 259.88 | 0.0001 | 74.4 |
Shoot P (mg g−1) | 1.20 | 0.34 | 1.92 | 24 | 201.29 | 0.0001 | 74.3 |
Root P (mg g−1) | 0.95 | 0.05 | 3.52 | 69 | 872.82 | 0.0001 | 74.8 |