Selfing rate 100% Selfing rate 0% 1 Estimated genealogical coancestry Estimated genealogical coancestry 1 0.8 0.6 0.4 0.2 R² = 0.9881 0 0.8 0.6 0.4 R² = 0.8529 0.2 0 0 0.2 0.4 0.6 0.8 1 True genealogical coancestry 0 0.2 0.4 0.6 0.8 1 True genealogical coancestry Fig. S3 Correlation between estimated and true genealogical coancestries for two simulated pedigrees of contrasted selfing rates. Each dot is the value of the coancestry between two individuals of the last generation Theoretical and Applied Genetics Estimation of genealogical coancestry in plant species using a pedigree reconstruction algorithm and application to an oil palm breeding population David Cros (), Leopoldo Sánchez, Benoit Cochard, Patrick Sampers, Marie Denis, Jean-Marc Bouvet, Jesús Fernández. D. Cros Genetic Improvement and Adaptation of Mediterranean and Tropical Plants Research Unit (AGAP), CIRAD, International campus of Baillarguet TA A-108/C, 34398 Montpellier Cedex 5, France e-mail: david.cros@cirad.fr Tel.: +33-467615800