Table 5.
Genetic diversity indices (Hj) of red and white clover original and survivor populations of varieties and WGB composite populations
| Species/population | Proportion of polymorphic loci | Gene diversity averaged across loci (Hj) ± s.e. | Comparison of Hj for originals vs. survivors (t-test) |
|---|---|---|---|
| Red clover | |||
| WGB-N-O | 0·66 | 0·196 ± 0·0090 | |
| WGB-N-IS | 0·59 | 0·187 ± 0·0098 | n.s. |
| WGB-N-SE | 0·78 | 0·222 ± 0·0087 | P < 0·05 |
| WGB-C-O | 0·65 | 0·201 ± 0·0090 | |
| WGB-C-SE | 0·79 | 0·235 ± 0·0095 | P < 0·025 |
| M-O | 0·68 | 0·202 ± 0·0094 | |
| M-AB | 0·70 | 0·211 ± 0·0093 | n.s. |
| F-O | 0·72 | 0·218 ± 0·0093 | |
| F-SE | 0·76 | 0·228 ± 0·0090 | n.s. |
| White clover | |||
| WGB-N-O | 0·70 | 0·208 ± 0·0077 | |
| WGB-N-IS | 0·67 | 0·209 ± 0·0082 | n.s. |
| WGB-N-SE | 0·68 | 0·200 ± 0·0082 | n.s. |
| WGB-C-O | 0·71 | 0·230 ± 0·0084 | |
| WGB-C-SE | 0·66 | 0·208 ± 0·0088 | n.s. |
| R-O | 0·63 | 0·202 ± 0·0087 | |
| R-SE | 0·57 | 0·179 ± 0·0088 | n.s. |
| N-O | 0·72 | 0·232 ± 0·0085 | |
| N-IS | 0·70 | 0·226 ± 0·0087 | n.s. |
| W-IS | 0·57 | 0·188 ± 0·0096 | * |
n = 289 for red clover and n = 376 for white clover.
*, W-IS compared with N-O (P < 0·001) and N-IS (P < 0·005)