Requirements for in vitro rooting of Paeonia suffruticosa Andr. cv. 'Mme de Vatry'

6-benziladenina 6-benzyladenine activated carbon ba charbon actif cultivo in vitro culture in vitro darkness enracinement enraizamiento ga gibberelline iba in vitro culture obscuridad paclobutrazol paeonia rooting stems tallo tige