Table 2.
Mean (± s.e.; sample size in parenthesis) numbers of cataphylls (cat.), embryonic green leaves (leaves) and total nodes (cataphylls + embryonic green leaves) per bud of bicyclic shoots at different sampling dates
October 1992 | 30 Mar. 1993 | 18 May 1993 | 16 Jun. 1993 | 3 Aug. 1993 | ||
End of growth season | Winter‐bud break | End of spring flush | Spring‐bud break | End of summer flush | ||
b.f.s.1 | Cat. | 3·8 ± 0·7 | 2·9 ± 0·6 | n.m. | 9·7 ± 1·7 | 4·8 ± 1·2 |
Leaves | 11·5 ± 1·5 | 12·0 ± 1·0 | n.m. | 9·4 ± 2·0 | 10·4 ± 1·0 | |
Total nodes | 15·3 ± 1·5 (50) | 14·9 ± 1·1 (40) | 13·5 ± 1·4 (49) | 19·1 ± 2·0 (28) | 15·3 ± 1·2 (49) | |
b.f.s.2 | Cat. | 4·2 ± 0·6 | n.m. | n.m. | 10·3 ± 1·5 | 4·9 ± 1·2 |
p1 | Leaves | 11·6 ± 1·2 | n.m. | n.m. | 10·1 ± 1·4 | 10·1 ± 0·7 |
Total nodes | 15·8 ± 1·4 (50) | n.m. | n.m. | 20·3 ± 1·7 (25) | 14·8 ± 1·5 (21) | |
b.f.s.2 | Cat. | 3·9 ± 0·6 | n.m. | n.m. | 9·1 ± 1·3 | 4·9 ± 1·0 |
p2 | Leaves | 11·6 ± 1·5 | n.m. | n.m. | 9·8 ± 1·0 | 10·1 ± 1·0 |
Total nodes | 15·6 ± 1·5 (50) | n.m. | n.m. | 18·9 ± 1·2 (26) | 15·2 ± 0·9 (23) | |
b.v.s. | Cat. | 3·7 ± 0·7 | 3·1 ± 0·4 | n.m. | 6·9 ± 0·9 | 4 ± 1·1 |
Leaves | 12·6 ± 1·5 | 12·7 ± 1·3 | n.m. | 10·4 ± 1·4 | 10·8 ± 1 | |
Total nodes | 16·3 ± 1·6 (50) | 15·9 ± 1·3 (40) | n.m. | 17·3 ± 1·4 (25) | 14·9 ± 1 (25) |
b.f.s.1, Bicyclic floriferous shoot with one relay summer shoot; b.f.s.2, bicyclic floriferous shoot with two relay summer shoots; p1 and p2, buds localized on the first and second node below the terminal inflorescence; b.v.s., bicyclic vegetative shoot; n.m., not measured.