Table 2.

Phenotypic correlations between the seedling root traits measured in the ‘pouch and wick’ system in a growth chamber during 2014 for the Forno × Oberkulmer mapping population

	SRN	SRL	TRL	MW	MD	W/D	TA
SRL	−0 ·19**
TRL	0 ·71**	0 ·54**
MW	0 ·44**	0 ·18*	0 ·52**
MD	0 ·10	0 ·85**	0 ·69**	0 ·29**
W/D	0 ·38**	−0 ·23**	0 ·19**	0 ·85**	−0 ·20**
TA	0 ·14*	−0 ·24**	−0 ·05	0 ·35**	−0 ·34**	0 ·52**
EA	0 ·21**	−0 ·11	0 ·14*	0 ·49**	−0 ·08	0 ·54**	0 ·36**

Trait abbreviations: SRN, seminal root number; SRL, seminal root length; TRL, total root length; MW, maximum width; MD, maximum depth; W/D, width to depth ratio; TA, tip angle of seminal root; EA, emergence angle of seminal root.

^*Significant at P < 0 ·05, **significant at P < 0 ·01.