Tree orientationz effect on root CSAy for ‘Florida Flame’ maple planted from four container sizes.
| Root CSA on trees planted from four container sizes (mm2) | ||||
|---|---|---|---|---|
| Tree orientation | Liner | #3 | #15 | #45 |
| North | 4189 | 1416 | 909 | 830 a |
| South | 3062 | 1775 | 801 | 652 b |
| P-value | 0.21 | 0.30 | 0.37 | 0.01 |
↵z Except for liners, north side of trees in nursery were planted to the north in the landscape. Roots measured in the north and south 90 degree quadrants.
↵y Root CSA = root cross-sectional area measured 5 cm outside root ball edge; n = 10 (liners), 24 (#3), 48 (#15), 80 (#45) means averaged across container type (#3, #15, and #45) and root pruning (#15 and #45) due to insignificant interaction.