In Vitro Regeneration of Korarima (Aframomum corrorima (Braun) P. C. M. Jansen): A Threatened Spice and Medicinal Herb from Ethiopia

Table 10

Effect of IBA, IAA, and NAA on in vitro shoot elongation and rooting of korarima.

IBA (mg/l)	IAA (mg/l)	NAA (mg/l)	NR (mean ± SD)	RL (mean ± SD)	SH (mean ± SD)
0	0	0	5.64^e ± 0.19	2.89^h ± 0.10	2.36^e ± 0.12
0.25	0	0	12.53^b ± 0.45	6.73^d ± 0.24	5.60^c ± 0.28
0.5	0	0	16.26^a ± 0.45	8.15^bc ± 0.24	6.33^b ± 0.28
0.75	0	0	16.59^a ± ± 0.45	9.16^a ± 0.24	7.60^a ± 0.28
1	0	0	14.12^ab ± 0.45	8.73^b ± 0.24	7.20^a ± 0.28
1.25	0	0	10.64^b ± 0.45	6.10^de ± 0.24	5.39^c ± 0.28
1.5	0	0	9.59^bc ± 0.45	5.18^f ± 0.24	4.02^d ± 0.28
0	0.25	0	15.60^a ± 0.45	8.70^b ± 0.24	6.67^b ± 0.28
0	0.5	0	18.59^a ± 0.45	9.71^a ± 0.24	7.32^a ± 0.28
0	0.75	0	16.99^a ± 0.45	8.84^b ± 0.24	6.60^b ± 0.28
0	1	0	13.69^ab ± 0.45	7.40^c ± 0.24	5.62^c ± 0.28
0	1.25	0	10.02^b ± 0.45	5.58^ef ± 0.24	4.91^cd ± 0.28
0	1.5	0	8.28^c ± 0.45	4.68^g ± 0.24	4.18^d ± 0.28
0	0	0.25	12.69^ab ± 0.45	7.71^c ± 0.24	5.83^c ± 0.28
0	0	0.5	13.36^ab ± 0.45	8.44^b ± 0.24	7.29^a ± 0.28
0	0	0.75	15.88^a ± 0.45	8.90^b ± 0.24	6.63^b ± 0.28
0	0	1	12.59^b ± 0.45	7.26^c ± 0.24	5.73^c ± 0.28
0	0	1.25	7.26^d ± 0.45	4.31^g ± 0.24	4.24^d ± 0.28
0	0	1.5	11.05^b ± 0.45	5.33^f ± 0.24	4.21^d ± 0.28
Coefficient of variation			6.56	5.41	6.19

Means with the same letter in a column are not significantly different at α = 0.05. NR: number of roots, RL: root length, SH: shoot height.