Table 2.
Morphological traits of parent growth units of main branches (MB), secondary branches (SCB) and short branches (SHB) of Nothofagus dombeyi and N. pumilio trees.
| Nothofagus dombeyi | Nothofagus pumilio | ||||||
| Mean | s.e. | n | Mean | s.e. | n | F‐test | |
| Length (mm) | |||||||
| MB | 241·1 | 18·4 | 42 | 143·9 | 8·8 | 51 | 25·4*** |
| SCB | 100·8 | 5·5 | 50 | 53·1 | 5·1 | 52 | 42·3*** |
| SHB | 26·4 | 1·8 | 50 | 3·4 | 0·3 | 51 | 158·1*** |
| Diameter (mm) | |||||||
| MB | 4·42 | 0·20 | 42 | 4·71 | 0·18 | 51 | 0·8 ns |
| SCB | 2·48 | 0·07 | 52 | 2·63 | 0·08 | 52 | 0·2 ns |
| SHB | 1·47 | 0·03 | 50 | 1·65 | 0·04 | 51 | 17·4*** |
| No. of leaves | |||||||
| MB | 18·1 | 1·0 | 42 | 11·8 | 0·6 | 51 | 32·0*** |
| SCB | 11·9 | 0·4 | 50 | 6·9 | 0·4 | 52 | 74·3*** |
| SHB | 6·4 | 0·3 | 50 | 3·0 | 0·0 | 51 | 125·9*** |
| Stem slenderness (length: diameter) | |||||||
| MB | 5·27 | 0·28 | 42 | 3·03 | 0·11 | 51 | 63·2*** |
| SCB | 3·96 | 0·16 | 50 | 1·90 | 0·15 | 52 | 92·3*** |
| SHB | 1·72 | 0·08 | 50 | 0·20 | 0·01 | 51 | 343·1*** |
| Internode length (length: no. of leaves) | |||||||
| MB | 1·30 | 0·05 | 42 | 1·22 | 0·04 | 51 | 2·0 ns |
| SCB | 0·84 | 0·03 | 50 | 0·71 | 0·04 | 52 | 5·5* |
| SHB | 0·40 | 0·01 | 50 | 0·11 | 0·01 | 51 | 253·7*** |
| Diameter: no. of leaves | |||||||
| MB | 0·26 | 0·01 | 42 | 0·42 | 0·02 | 51 | 72·1*** |
| SCB | 0·22 | 0·01 | 50 | 0·39 | 0·01 | 52 | 131·0*** |
| SHB | 0·24 | 0·01 | 50 | 0·57 | 0·01 | 51 | 823·0*** |
Mean, standard error (s.e.) and sample size (n) are indicated.
The results of inter‐species comparisons are indicated (F‐tests).
***, P < 0·001; *, P < 0·05; ns, P > 0·05.