Table 1.

Heritability estimates for the traits under study

Trait	h2
PCA	0.879 ± 0.015
FA	0.825 ± 0.022
DFA 5–5	0.792 ± 0.026
DFA 8–O–4	0.811 ± 0.024
DFA 8–5 l	0.787 ± 0.023
DFA 8–5b	0.734 ± 0.033
DFA 8–5	0.768 ± 0.029
DFAT	0.797 ± 0.025
MONOTOT	0.871 ± 0.016
FENTOT	0.868 ± 0.016

PCA: p-coumaric acid; FA: ferulic acid; DFA 8–5 l: 8–5 linear diferulic acid; DFA 5–5: 5–5 diferulic acid; DFA 8–O–4: 8–O–4 diferulic acid; DFA 8–5b: 8–5 benzofuran diferulic acid; DFA 8–5: sum (DFA 8–5 l + DFA 8–5b); DFAT: total diferulates sum (DFA 5–5 + DFA 8–O–4 + DFA 8–5b + DFA 8–5 l); MONOTOT: total monomers (PCA + FA); FENTOT: total hydroxycinnamates (PCA + FA + DFAT)