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Evaluation and representation of ethylene effect on vase life and quality of rose (Rosa hybrida) cv. Vendela

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Abstract

In this study, changes in the quality and vase life of cut roses cv. Vendela generated by the presence and influence of ethylene were analyzed and represented. A static experiment was proposed to determine vase life by putting fresh floral stems in hermetic containers and introducing different amounts of ethylene in a range of concentrations from 0 up to 7 µL L−1 at 14 °C. The main ethylene response for Vendela roses was the petal abscission. Within the range 0–4 µL L1 vase life decreases as the ethylene concentration increases. At ethylene concentrations over 4 µL L−1, vase life did not change significantly. The results thus obtained allowed to establish that the flower vase life can be considered as a function of the ethylene concentration in the surrounding atmosphere up to a maximum value (5 µL L−1). From experimental data, a mathematical model to represent the cumulative petal fall (%CPF) as a function of exogenous ethylene was successfully adjusted. By using the above equation and by considering the senescence stage as that corresponding to %CPF = 5% a vase life model was established. The model can satisfactorily represent the vase life of cut Vendela roses at different ethylene concentrations and it constitutes a novel and useful tool that can be used to improve postharvest handling and storage and reduce losses of this type of flower.

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The datasets and supplementary material generated and/or analysed during the current study are available from the corresponding author on reasonable request.

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Acknowledgements

The authors wish to thank the support provided by the National University of Colombia, University of Cundinamarca and the Foundation for the Promotion of Research and Technology and the Colombian Administrative Department of Science, Technology and Innovation—COLCIENCIAS with its Doctoral Scholarships Program (Convocation number 567/2012) and its program of Postdoctoral Research Fellowships (Convocation number 784/2017).

Funding

This study was conducted with funding from Colombian Administrative Department of Science, Technology and Innovation – COLCIENCIAS with its Doctoral Scholarships Program (Convocation number 567) and from the National University of Colombia with its support to graduate research projects (Hermes project 50970).

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Correspondence to Diego A. Castellanos.

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The authors declare that they have no conflict of interest to disclose. This article does not contain any studies with human participants or animals performed by any of the authors.

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Communicated by P. K. Nagar.

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Baron, F., Mendoza, R., Melo, S.E. et al. Evaluation and representation of ethylene effect on vase life and quality of rose (Rosa hybrida) cv. Vendela. Acta Physiol Plant 43, 161 (2021). https://doi.org/10.1007/s11738-021-03332-z

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  • DOI: https://doi.org/10.1007/s11738-021-03332-z

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