Table 2.

Effect of growth regulators on callus-mass increase from stem and leaf explants. Mean value ± standard error, n = 3.

Treatments	Callus Mass Increase mg
	After one Month	After two Months
	Callus from Leaf
MS (−)	0.0 ± 0.0	0.0 ± 0.0
1.0 µM NAA	10.0 ± 0.9 d	19.3 ± 1.9 d
2.0 µM NAA	25.7 ± 1.2 a	39.3 ± 0.1 a
3.0 µM NAA	9.4 ± 0.1 d	36.5 ± 1.0 b
1.0 µM NAA + 1.0 µM BAP	16.1 ± 0.3 c	26.5 ± 1.8 c
2.0 µM NAA + 1.0 µM BAP	18.4 ± 1.0 b	29.7 ± 1.9 bc
3.0 µM NAA + 1.0 µM BAP	15.8 ± 0.8 c	32.1 ± 2.2 b
Average	15.90	30.5
	Callus from stem
MS (−)	0.0 ± 0.0	0.0 ± 0.0
1.0 µM NAA	2.8 ± 0.3 ef	6.3 ± 0.5 f
2.0 µM NAA	3.7 ± 0.3 e	8.3 ± 0.1 e
3.0 µM NAA	0.4 ± 0.05 g	2.5 ± 0.1 g
1.0 µM NAA + 1.0 µM BAP	0.6 ± 0.0 g	5.0 ± 0.8 f
2.0 µM NAA +1.0 µM BAP	1.0 ± 0.3 g	6.7 ± 0.3 f
3.0 µM NAA + 1.0 µM BAP	1.8 ± 0.2 fg	6.3 ± 0.2 f
Average	1.71	5.85
p-Value (growth regulator x explant type)	<0.00100	<0.00001

Note: Means not sharing a common letter were significantly different in column (p < 0.05); NAA, α –naphthalene acetic acid; BAP, 6-benzylaminopurine.