Table 2.
Analysis of variance of the effects of treatment (self- versus cross-fertilization, fixed factor) and maternal plant (random factor) for individual populations
| LH |
WR |
IC |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Life stage | Source | d.f. | MS | F | d.f. | MS | F | d.f. | MS | F |
| Seeds per fertilized ovule | Treatment | 1 | 0·199 | 2·625 | 1 | 3·425 | 46·421** | 1 | 1·001 | 5·306* |
| Maternal plant | 12 | 0·084 | 1·077 | 12 | 0·085 | 1·102 | 9 | 0·203 | 0·998 | |
| Treatment × maternal plant | 12 | 0·078 | 1·398 | 12 | 0·078 | 1·351 | 9 | 0·204 | 1·888 | |
| Rate of germination | Treatment | 1 | 0·064 | 1·469 | 1 | 0·000 | 0·000 | 1 | 0·003 | 0·202 |
| Maternal plant | 9 | 0·023 | 0·530 | 9 | 0·004 | 0·800 | 9 | 0·138 | 8·738** | |
| Survival to 2 weeks | Treatment | 1 | 0·002 | 1·998 | 1 | 0·001 | 0·362 | 1 | 0·013 | 5·485* |
| Maternal plant | 9 | 0·002 | 2·039 | 9 | 0·001 | 0·579 | 9 | 0·004 | 1·854 | |
| Survival from 2 weeks to flowering | Treatment | 1 | 0·001 | 1·000 | 1 | 0·000 | 0·015 | 1 | 0·045 | 5·540* |
| Maternal plant | 9 | 0·001 | 0·667 | 9 | 0·016 | 0·704 | 9 | 0·011 | 1·405 | |
| Above-ground biomass | Treatment | 1 | 10·43 | 4·357 | 1 | 18·15 | 7·924* | 1 | 2·88 | 1·690 |
| Maternal plant | 9 | 3·06 | 1·277 | 9 | 11·21 | 4·881* | 9 | 4·06 | 2·246 | |
| Treatment × maternal plant | 9 | 2·39 | 3·563** | 9 | 2·30 | 2·817** | 9 | 1·81 | 2·042* | |
* P < 0·05, ** P < 0·01.
Lack of replication within maternal plants precludes a test of the treatment × maternal plant interaction for germination and survival variables.