Abstract
Methods are presented for a rapid identification of longevity components of cut Gerbera flowers. The curvature of the stem after dry storage is used to measure the structural stem strength. Flowers with strong stems are less likely to fold in the vase. Breeding flowers with strong stems is recommended when optimal post-harvest treatment cannot be guaranteed. Structural stem strength is not crucial if, by proper post-harvest treatments, the turgor of the stem can be maintained. In that case the breeder should select genotypes that are long-living under conditions of unrestricted water uptake. Cultivars of this type generally show a rapid recovery of turgor when placed in water after dry storage.
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