Height growth (cm) and percentage growth differential in roadside soil compared to peat in different progenies of Aesculus hippocastanum, 1992 and 1993. The seed sources were of different vigor.
| Half-sib family | Vigor of seed source | Peat | Height growth | ||||
|---|---|---|---|---|---|---|---|
| Roadside soil | Percentage1 | ||||||
| 1992 | 1993 | 1992 | 1993 | 1992 | 1993 | ||
| G | 92 | 21.1 | 32.6 | 15.4 | 22.7 | 27.0 | 30.4 |
| K | 9 | — | 18.5 | — | 11.9 | — | 35.7 |
| A | 8 | 29.8 | 34.2 | 17.9 | 17.0 | 39.9 | 50.3 |
| F | 8 | 27.8 | 38.3 | 17.2 | 21.0 | 38.1 | 45.2 |
| H | 8 | 27.0 | 53.5 | 21.9 | 21.1 | 18.9 | 60.6 |
| B | 6 | 34.0 | 35.8 | 22.3 | 16.9 | 34.4 | 52.8 |
| C | 6 | 23.1 | 26.5 | 14.2 | 13.0 | 38.5 | 50.9 |
| E | 5 | 22.9 | 18.5 | 14.1 | 11.9 | 38.4 | 35.7 |
| J | 5 | 16.3 | — | 15.2 | — | 6.7 | — |
| L | 4 | — | 25.8 | — | 14.9 | — | 42.2 |
| I | 4 | 27.9 | — | 15.1 | — | 45.9 | — |
| D | 3 | 12.6 | 12.0 | 11.3 | 10.9 | 10.3 | 9.2 |
↵1 Growth differential (%) in roadside soil compared to peat.
2 Scale 0—9.