TABLE 3.
Statistical analysis of intraspecific and interspecific quantitative traits of five yam species
Species | Trait | Mean | Maximum | Minimum | Range | SD | CV (%) |
---|---|---|---|---|---|---|---|
D. esculenta | LL (cm) | 8.90 | 9.47 | 0.57 | 9.19 | 0.40 | 4.39 |
LW (cm) | 8.70 | 9.80 | 1.10 | 9.25 | 0.78 | 8.41 | |
L/W | 0.97 | 1.02 | 0.05 | 1.00 | 0.04 | 3.55 | |
TL (cm) | 7.50 | 7.80 | 0.30 | 7.65 | 0.21 | 2.77 | |
TD (mm) | 4.80 | 5.30 | 0.50 | 5.05 | 0.35 | 7.00 | |
TFW (g) | 78.60 | 107.00 | 28.40 | 92.80 | 20.08 | 21.64 | |
D. fordii | LL (cm) | 8.50 | 14.80 | 6.30 | 12.38 | 2.97 | 23.97 |
LW (cm) | 4.82 | 6.70 | 1.88 | 5.77 | 0.95 | 16.45 | |
L/W | 1.76 | 2.29 | 0.53 | 2.13 | 0.25 | 11.75 | |
TL (cm) | 49.60 | 66.50 | 16.90 | 57.78 | 6.94 | 12.02 | |
TD (mm) | 7.00 | 10.10 | 3.10 | 8.65 | 1.29 | 14.88 | |
TFW (g) | 621.00 | 1,108.50 | 487.50 | 847.23 | 202.25 | 23.87 | |
D. alata | LL (cm) | 10.54 | 19.27 | 8.73 | 14.92 | 2.31 | 15.49 |
LW (cm) | 4.85 | 11.73 | 6.88 | 8.29 | 1.63 | 19.69 | |
L/W | 0.95 | 3.25 | 2.30 | 1.84 | 0.33 | 17.96 | |
TL (cm) | 7.25 | 62.70 | 55.45 | 22.87 | 11.02 | 48.17 | |
TD (mm) | 5.10 | 17.50 | 12.40 | 10.78 | 3.42 | 31.73 | |
TFW (g) | 5.60 | 1,649.33 | 1,643.73 | 726.29 | 445.48 | 61.34 | |
D. opposita | LL (cm) | 5.88 | 16.00 | 10.12 | 8.62 | 1.73 | 20.11 |
LW (cm) | 2.85 | 9.61 | 6.76 | 6.02 | 1.31 | 21.71 | |
L/W | 1.10 | 2.20 | 1.10 | 1.46 | 0.23 | 15.85 | |
TL (cm) | 17.50 | 77.50 | 60.00 | 40.46 | 12.58 | 31.10 | |
TD (mm) | 1.75 | 15.38 | 13.63 | 6.65 | 2.95 | 44.36 | |
TFW (g) | 61.50 | 1,316.00 | 1,254.50 | 350.72 | 250.60 | 71.45 | |
D. persimilis | LL (cm) | 5.88 | 13.00 | 7.12 | 11.37 | 1.14 | 9.99 |
LW (cm) | 2.85 | 6.92 | 4.07 | 6.40 | 0.35 | 5.49 | |
L/W | 0.95 | 2.06 | 1.11 | 1.78 | 0.16 | 8.89 | |
TL (cm) | 7.25 | 97.17 | 89.92 | 36.40 | 21.55 | 59.20 | |
TD (mm) | 1.75 | 9.25 | 7.50 | 6.55 | 2.09 | 31.91 | |
TFW (g) | 5.60 | 707.00 | 701.40 | 341.43 | 183.91 | 53.87 | |
Total | LL (cm) | 11.30 | 19.27 | 5.88 | 13.39 | 3.46 | 30.60 |
LW (cm) | 6.91 | 11.73 | 2.85 | 8.88 | 1.73 | 25.03 | |
L/W | 1.65 | 3.25 | 0.95 | 2.30 | 0.34 | 20.81 | |
TL (cm) | 33.62 | 97.17 | 7.25 | 89.92 | 16.26 | 48.36 | |
TD (mm) | 8.19 | 17.50 | 1.75 | 15.75 | 3.59 | 43.79 | |
TFW (g) | 500.34 | 1,649.33 | 5.60 | 1,643.73 | 380.79 | 76.11 |