Table 3 Mating system and intra-family parameters in a population of Theobroma cacao
Parameters | Estimates (95% CI) |
|---|---|
Multilocus outcrossing rate: tm | 0.964 (0.934–0.994) |
Single-locus outcrossing rate: ts | 0.935 (0.903–0.967) |
Mating among relatives rate: tm−ts | 0.030 (0.020–0.058) |
Correlation of selfing: rs | 0.508 (0.046–0.768) |
Multilocus paternity correlation (among and within): rp(m)aw | 0.191 (0.151–0.231) |
Single-locus paternity correlation (among and within): rp(s)aw | 0.387 (0.323–0.451) |
Difference: rp(s)aw−rp(m)aw | 0.196 (0.172–0.220) |
Effective number of pollen donors: N̂ep=1/rp(m)aw | 5.2 (4.3–6.6) |
Coancestry within families: Θ | 0.152 (0.147–0.154) |
Average effective population size: Ne | 2.93 (2.90–3.04) |
Number of seed trees for seed collection (within fruits): m | 51 (49–52) |
Within and among fruits | |
Multilocus paternity correlation within fruits: rp(m)w | 0.607 (0.513–0.701) |
Multilocus paternity correlation among fruits: rp(m)a | 0.099 (0.061–0.137) |
Effective number of pollen donors within fruits: 1/rp(m)w | 1.6 (1.4–1.9) |
Effective number of pollen donors among fruits: 1/rp(m)a | 10.1 (7.3–16.4) |
Coancestry coefficient within fruits: Θw | 0.200 (0.184–0.211) |
Coancestry coefficient among fruits: Θa | 0.142 (0.138–0.142) |
Average effective population size within fruits: Ne(w) | 2.32 (2.20–2.51) |
Average effective population size among fruits: Ne(a) | 3.11 (3.10–3.21) |
Number of seed trees for seed collection within fruits: mw | 65 (60–68) |
Number of seed trees for seed collection among fruits: ma | 48 (47–49) |