Table 1.

Heritability (H2) of bruising index (BI), specific gravity (SG), starch corrected bruising (SCB), tuber yield (TY), plant maturity (PM) and tuber shape (TS)

Data set	BI	SG	SCB	TY	PM	TS
BS	0.874	0.931	0.684	0.540	0.738	0.841
NO	0.904	0.902	0.905	0.622	0.590	0.499
EU	0.928	0.971	0.880	0.641	0.845	0.817
BE	0.783	0.957	0.632	0.262	0.999	0.640
SA	0.914	0.966	0.812	NA	0.938	0.928
NE	0.488	0.804	0.406	NA	NA	0.798
ALL	0.864	0.925	0.772	0.375	0.831	0.819

NA = Not available; BS = Bavaria Saat; NO = Norika; EU = Europlant; BE = Berding; SA = Saka; NE = Niehoff; ALL = combined data set

Values were obtained using collected data in a population of 205 tetraploid potato genotypes in a two year trial at multiple environments.