Table I. Monomeric composition of lignin determined by thioacidolysis.

YR, Rind of young internode; IR, rind of intermediate internode; MR, rind of mature internode; YP, pith of young internode; IP, pith of intermediate internode; MP, pith of mature internode. Data are means of three independent biological replicates.

Sample	S-G Ratio	G	S	Total
		µmol g−1 dry wt
IACSP04-529
YR	2.13	38	81	119
IR	0.31	375	117	492
MR	0.46	349	160	509
YP	1.85	22	42	64
IP	3.22	93	301	394
MP	3.61	104	376	480
IACSP04-683
YR	1.61	16	26	42
IR	0.74	107	79	186
MR	0.85	189	160	348
YP	1.34	59	79	138
IP	3.83	70	267	337
MP	4.40	109	480	589