Table 1.
Growth characteristics of pollen-source and pollen-receptor switchgrass plants grown under field conditions
| Field plot | Tiller number | Height (cm) | Above-ground biomass (g) |
|---|---|---|---|
| Pollen source | 44 ± 13.0 | 107.5 ± 11.0 | 26 |
| North 10 | 29 ± 13.0 | 128 ± 389 | 10 |
| North 20 | 27 ± 10.5 | 142.9 ± 22.5 | 78 |
| South 10 | 18 ± 8.4 | 170.5 ± 7.5 | 52 |
| South 20 | 10 ± 2.5 | 103.2 ± 14.4 | 24 |
| South 30 | 24 ± 5.0 | 132.7 ± 21.3 | 96 |
| West 10 | 19 ± 10.9 | 182.2 ± 4.1 | 81 |
| West 20 | 7 ± 0.5 | 90.8 ± 13.0 | 14 |
| West 30 | 21 ± 6.5 | 95.9 ± 15.6 | 48 |
| East 10 | 24 ± 1.5 | 134.6 ± 24.1 | 24 |
| East 20 | 19 ± 0.5 | 90.2 ± 23.5 | 10 |
| East 30 | 15 ± 0.5 | 96.2 ± 21.7 | 18 |
| East 40 | 24 ± 8.0 | 74.0 ± 10.0 | 16 |
| East 50 | 23 ± 7.5 | 152.4 ± 7.6 | 130 |
| East 60 | 32 ± 9.4 | 167.3 ± 11.6 | 87 |
| East 70 | 48 ± 0.5 | 121.9 ± 26.7 | 94 |
| East 80 | 70 ± 44.3 | 208.6 ± 1.1 | 707 |
| East 90 | 67 ± 40.3 | 189.9 ± 7.3 | 404 |
| East 100 | 80 ± 33.5 | 146.1 ± 32.4 | 464 |
Numbers for tillers, height, and above ground biomass are average per plant (means ± SE). Tiller number and height were recorded for both the 2013 and 2014 seasons. Measures for above-ground biomass were from the 2014 field season