Micropropagation of forest trees from Bangladesh

albizia auxinas auxine auxins bangladesh citoquininas cultivos tropicales cytokinine cytokinins dalbergia sissoo enracinement enraizamiento explant explantes explants graine growing media leucaena leucocephala micropropagation nodes noeud nudos plante de culture tropicale plante ligneuse racine rooting roots seeds semilla substrat de culture substratos de cultivo tropical crops woody plants