In vitro tendril and flower development in cucumber (Cucumis sativus) may be regulated by gibberellins

6-benziladenina 6-benzyladenine ba concombre cotiledones cotyledons cucumbers cucumis sativus cultivo in vitro culture in vitro fleur flores flowers ga gibberelline gibberellins graine in vitro culture organogenese organogenesis pepino plant growth substances seeds semilla sustancias de crecimiento vegetal tendrils testa vrille zarcillo