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[Using physiological tests on the selection of cut roses' varieties]
Serge Gudin1, Laurent Crespel, Manuel Le Bris
1Institut méditerranéen d'écologie et paléoécologie, faculté de Saint-Jérôme, université Paul-Cézanne, service 442, av. Escadrille-Normandie-Niemen, 13397 Marseille cedex 20, France. serge.gudin@univ-cezanne.fr
Comptes Rendus Biologies
|August 28, 2007
Summary
Conductivity and pH measurements of rose petal cell sap can predict vase life. Conductivity shows a strong negative correlation, while pH is effective when rose varieties are grouped by color.
Area of Science:
- Plant Physiology
- Floriculture
Context:
- Assessing post-harvest quality is crucial for cut flowers.
- Vase life is a key indicator of cut flower quality.
Purpose:
- To evaluate the utility of physiological tests (pH, conductivity, osmolarity) for predicting rose vase life.
- To determine if these tests can aid in selecting superior post-harvest quality rose varieties.
Summary:
- Conductivity measurements of petal cell sap showed a significant negative correlation (r=-0.74) with rose vase life.
- pH measurements, when analyzed on varieties grouped by color, demonstrated a strong negative correlation (r=-0.78 to -0.91) with vase life.
- Osmolarity measurements did not show a significant correlation with vase life.
Impact:
- Provides a potential method for objective selection of rose varieties with extended vase life.
- Enables breeders and growers to identify high-quality rose cultivars more efficiently.
- Contributes to improved quality control in the floriculture industry.
