In vitro plant regeneration from leaf callus in Piper colubrinum Link

6-benziladenina 6-benzyladenine aia aib ana ba biochemistry biochimie cal callo callus crecimiento croissance cultivation cultivo cultivo in vitro culture in vitro culture media enracinement enraizamiento feuille fisiologia vegetal growth hojas iaa iba in vitro culture kinetin leaves medio de cultivo milieu de culture naa piper plant physiology pratique culturale quinetina rooting sales salts sel supervivencia survie survival