Figure 3

Illustrative examples of parents (A) Ningyou7 (B) Tapidor and the extreme genotypes with the mean minimum and maximum (C) PRL (TN52, TN15, respectively), (D) TRL (TN58 and TN38, respectively) and (E) LRD (TN40 and TN53), at 14 DAS having grown in a ‘pouch and wick’ system under a low Pi treatment (LP, 0 mM Pi). Primary root length (PRL), total root length (TRL), lateral root density (LRD), scale = 1 cm.