Interaction between the effects of phytochrome and gibberellic acid on the senescence of Alstroemeria pelegrina leaves [tetcyclasis]

aging alstroemeria ancymidol chlorophylle chlorophylls clorofilas cut flowers darkness envejecimiento feuille fitocroma flor cortada ga gibberelline hojas leaves light regimes obscuridad phytochrome regimenes de luz vieillissement