Table 4.
Results from simple linear regressions of ln(family means for total alkaloids) vs. family means for each growth variable (n = 63)
| 95 % confidence limits |
|||||
|---|---|---|---|---|---|
| Variable | P | R2 | Slope estimate | Lower | Upper |
| Seedling height | 0·002 | 0·149 | –0·0029 | –0·0047 | –0·0011 |
| Height increment | <0·001 | 0·194 | –0·0059 | –0·0090 | –0·0028 |
| Seedling diameter | 0·070 | 0·053 | –0·0009 | –0·0018 | 0·0001 |
| Diameter increment | 0·114 | 0·040 | –0·0014 | –0·0032 | 0·0004 |
| Stem biomass | 0·034 | 0·072 | –0·0002 | –0·0005 | –0·00002 |
| Root biomass | 0·018 | 0·089 | –0·0009 | –0·0017 | –0·0002 |
| Total biomass | 0·025 | 0·079 | –0·0002 | –0·0004 | –0·00003 |