Effects of diurnal rhythm and sucrose level on secondary metabolites and callus formation by 'Dark Tiara' dahlia leaf segments cultured in vitro.

acido naftilacetico ba biological rhythms cal callo callus chlorophylle chlorophylls clorofilas cultivo de tejidos culture de tissu culture media dahlia explant explantes explants flavonoide flavonoides flavonoids medio de cultivo metabolites metabolitos milieu de culture naa rythme biologique saccharose sucrosa sucrose tissue culture