Table 3.
Results from non-destructive measurements in spring of 2x T. occidentale, 6x T. ambiguum and three 6x T. ambiguum x 2x T. occidentale hybrids (5, 33 and 140). *denotes significant differences (P < 0.05)
| VGP | ST | PS | LPP | PL | LLS | LT | IN | DF | RPP | ORD | DLNR | RzPP | RzD | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| T. occidentale 2x | 118 | 2.2 | 73 | 166 | 94 | 1.16 | 0.21 | 6 | 89 | 12 | 2.4 | 1.0 | 0.0 | – |
| T. ambiguum 6x | 14 | 3.3 | 144 | 43 | 255 | 1.87 | 0.18 | 0 | – | 12 | 4.0 | 3.1 | 6.5 | 1.8 |
| Hybrid 5 | 35 | 3.2 | 47 | 56 | 204 | 2.16 | 0.16 | 29 | 86 | 18 | 4.1 | 2.4 | 4.0 | 1.5 |
| Hybrid 33 | 27 | 3.2 | 46 | 59 | 181 | 1.81 | 0.17 | 26 | 87 | 15 | 3.8 | 2.7 | 0.8 | 1.3 |
| Hybrid 140 | 24 | 3.3 | 33 | 46 | 194 | 1.89 | 0.18 | 23 | 83 | 17 | 4.0 | 2.3 | 1.5 | 0.7 |
| LSD (0.05) | 14.7* | 0.41* | 27.6* | 26.0* | 22.8* | 0.30* | 0.023* | 8.8* | 6.9 | 6.6 | 0.83* | 0.26* | 2.50* | 0.60* |
| SEM | 5.1 | 0.14 | 9.7 | 9.1 | 8.0 | 0.11 | 0.008 | 3.1 | 2.4 | 2.3 | 0.29 | 0.09 | 0.88 | 0.21 |
VGP Vegetative growing points per plant, ST Stem thickness (mm), PS Plant spread (cm), LPP leaves per plant, PL Petiole length (mm), LLS Leaflet shape (length/width), LT Leaf thickness (mm), IN Inflorescence number, DF Days to flowering, RPP Number of roots per plant, ORD Diameter of the oldest root (mm), DLNR Diameter of the largest new root (mm), RzPP Number of rhizomes per plant, RZD Rhizome diameter (mm)