Effect of 2,4-Dichlorophenoxyacetic Acid on Callus Induction from Eurycoma Longifolia Leaves
Eurycoma longifolia Jack (Simaroubaceae), known as Tongkat Ali, is a slow-growing Southeast Asian medicinal tree whose root quassinoids are of pharmacological interest. Pressure on wild populations has increased demand for in vitro propagation. This study determined the optimum 2,4-dichlorophenoxyacetic acid (2,4-D) co...