Micropropagation of an Exotic Ornamental Plant, Calathea crotalifera, for Production of High Quality Plantlets

Table 8

Effects of auxin on roots induction in yellow C. crotalifera (CCY).

NAA (mg/L)	IBA (mg/L)	Number of roots	Length of root (cm)	Diameter of root (cm)
0.00	0.00	2.60 ± 0.40^ab	4.26 ± 0.31^AB	0.15 ± 0.01^cd
0.10	—	2.80 ± 0.37^ab	5.94 ± 0.63^BC	0.15 ± 0.01^cd
0.50	—	3.60 ± 0.24^bc	7.02 ± 0.28^CD	0.18 ± 0.01^de
1.00	—	6.40 ± 0.24^d	2.84 ± 0.12^A	0.20 ± 0.01^e
1.50	—	4.00 ± 0.32^c	2.91 ± 0.39^A	0.20 ± 0.01^e
—	0.10	2.00 ± 0.32^a	7.00 ± 1.17^CD	0.09 ± 0.01^a
—	0.50	1.80 ± 0.20^a	8.24 ± 0.26^D	0.11 ± 0.04^ab
—	1.00	3.20 ± 0.37^bc	5.32 ± 0.86^BC	0.13 ± 0.01^bc
—	1.50	2.80 ± 0.37^ab	5.20 ± 0.73^BC	0.13 ± 0.01^bc

Mean ± SE, n = 10. Different letters indicate significant differences between media at P = 0.05.