Table 1.

Summary of fruit firmness data for three sweet cherry populations.

Populationa	Size	Mean ± SD	Range	σ2g	σ2e	Heritability
INRA ‘Fercer’ × ‘X’ F1 populationb	67	55 ± 12	32–80	139	30	0.97
INRA germplasm collectionc	193	65 ± 11	35–86	95	72	0.73
RosBREED pedigreed populationd	528	243 ± 47	137–351	2535	244	0.91

Note: ^aDifferent methods for phenotyping were used for the INRA and RosBREED populations. ^bPhenotypic data is from seven years (2009–2013, 2015–2016). ^cPhenotypic data is from two years (2014–2015). ^dPhenotypic data is from two years (2011–2012).