. 2015 Mar 11;6:79–84. doi: 10.1016/j.btre.2015.03.003

Table 2.

Effect of different auxins on in vitro rooting of microshoots of Swertia lawii.

PGRs	Concentration (mg l⁻¹)	Regeneration frequency (%)	Number of shoots (mean ± SE)	Length of shoots (cm) (mean ± SE)
PGR free	00	00	0.0	0.0
IBA	1.0	100	14.7 ± 2.8**	1.7 ± 0.3**
	2.0	100	16.8 ± 1.8**	1.4 ± 0.1**
	3.0	95	16.7 ± 2.4**	0.8 ± 0.2**
	4.0	80	08.6 ± 1.7*	0.4 ± 0.1^ns
	5.0	65	10.0 ± 2.3**	0.3 ± 0.1^ns
IAA	1.0	100	15.5 ± 1.2**	1.5 ± 0.1**
	2.0	100	12.8 ± 0.8**	1.8 ± 0.2**
	3.0	100	22.1 ± 2.5**	2.5 ± 0.3**
	4.0	100	21.2 ± 1.8**	2.4 ± 0.1**
	5.0	95	15.4 ± 1.5**	2.1 ± 0.1**
NAA	1.0	70	14.6 ± 2.9**	1.5 ± 0.2**
	2.0	75	13.2 ± 3.1**	1.0 ± 0.2**
	3.0	70	11.3 ± 2.6**	0.8 ± 0.2**
	4.0	60	09.9 ± 2.6*	0.5 ± 0.1^ns
	5.0	65	07.2 ± 2.0^ns	0.4 ± 0.1^ns

Mean ± S.E. of 30 replicates per treatment and experiments were repeated thrice. The values are significantly different at ns – non significant, *P < 0.05 and **P < 0.01 level when compared by Dunnett multiple comparisons test using one way ANOVA.