Table 2.
Mean residual error in predicted germination time (days) as a function of species for the sigmoid cardinal temperature (SCT) model for constant-temperature data
| Temp. (°C) | E. lanceolatus | P. spicata | P. secunda | E. elymoides |
|---|---|---|---|---|
| 3·1 | 31·6 (4·3) | 69·6 (11·0) | 9·7 (1·5) | 44·9 (5·0) |
| 4·8 | 3·2 (1·8) | 4·1 (1·9) | 1·0 (1·5) | 4·2 (2·7) |
| 6·6 | −0·5 (1·2) | −0·6 (1·0) | −0·6 (1·2) | −0·9 (1·4) |
| 8·3 | −0·6 (1·0) | −0·7 (1·3) | −0·3 (1·1) | −0·5 (1·0) |
| 9·9 | −0·2 (1·4) | −0·1 (0·6) | −0·1 (0·9) | −0·4 (0·8) |
| 11·9 | 0·2 (0·8) | −0·3 (0·3) | 0·2 (0·6) | −0·4 (0·8) |
| 13·5 | 0·0 (0·7) | −0·1 (0·3) | −0·3 (0·5) | −0·1 (0·7) |
| 15·3 | −0·1 (1·4) | −0·2 (0·2) | −0·1 (0·6) | 0·0 (0·3) |
| 16·9 | 0·1 (0·4) | 0·1 (0·2) | 0·0 (0·5) | −0·1 (0·2) |
| 18·7 | 0·1 (0·4) | 0·0 (0·2) | −0·1 (0·9) | 0·1 (0·3) |
| 20·3 | 0·0 (0·4) | −0·1 (0·1) | 0·0 (0·3) | −0·1 (0·3) |
| 22·1 | 0·1 (0·6) | 0·0 (0·3) | −0·3 (0·6) | 0·1 (0·1) |
| 24·0 | −0·4 (1·4) | −0·1 (0·3) | −0·3 (0·3) | −0·2 (0·3) |
| 25·7 | 0·0 (1·2) | 0·1 (0·3) | 0·3 (1·9) | 0·1 (0·5) |
| 27·5 | 0·0 (2·8) | 0·2 (0·4) | 1·4 (1·1) | 0·2 (0·9) |
| 29·0 | 0·1 (2·4) | 0·4 (0·3) | 2·2 (2·3) | 0·7 (1·4) |
| 30·9 | 1·2 (2·3) | 0·5 (0·4) | 3·1 (2·7) | 1·1 (1·7) |
| 32·6 | 1·8 (2·5) | 0·3 (1·6) | 17·0 (3·4) | 1·7 (2·0) |
| 34·4 | 14·2 (3·0) | 0·1 (2·1) | – | 4·8 (3·6) |
| 36·1 | – | −0·7 (2·1) | – | – |
Numbers in parentheses represent 1 standard deviation of the mean.