Table 1.

The effect of different combinations of plant growth regulators on mangosteen callus induction

Cytokinin	Auxin	Friable callus	Compact callus	Spongy/dusty callus	Browning/died
4.44 µM BAP	4.52 µM 2,4-D	65.00 b	22.22ab	0.00b	7.41b
	4.14 µM Picloram	84.15 a	41.67ab	0.00b	5.55b
	4.52 µM Dicamba	0.00c	33.34ab	44.44a	8.33b
4.65 µM Kinetin	4.52 µM 2,4-D	0.00c	38.89ab	63.89a	19.44ab
	4.14 µM Picloram	0.00c	16.67ab	47.22a	27.77a
	4.52 µM Dicamba	0.00c	0.00b	66.67a	5.55b

^a,b,cMean value is from three replications with four explants each. Mean value that does not have the same letters within each column differ significantly at P ≤ 0.05 using Duncan’s Multiple Range Test.

Value in bold shows the significant difference number producing friable callus