Vascular occlusion in stems of cut rose flowers exposed to air: Role of Xylem anatomy and rates of transpiration [Frisco, Sonia, Madelon, Cara Mia, vessels, tyloses, stomatal conductance]

absorption d'eau air aire almacenamiento cell walls cut flowers estoma faisceau vasculaire flor cortada haces vasculares pared celular paroi cellulaire potentiel hydrique rosa stockage stomata stomate storage tracheide tracheids transpiration traqueidos vascular bundles water potential water uptake xilema xylem