The effects of 1-MCP in cyclodextrin-based nanosponges to improve the vase life of Dianthus caryophyllus cut flowers |
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| Authors: | Ludovica Seglie Katia Martina Marco Devecchi Carlo Roggero Francesco Trotta Valentina Scariot |
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| Institution: | 1. Department of Agronomy, Forest and Land Management, Faculty of Agriculture, University of Turin, Via Leonardo da Vinci 44, 10095 Grugliasco (TO), Italy;2. Department of Pharmaceutical Science and Technology, University of Turin, Via Pietro Giuria 9, 10125 Turin, Italy;3. Department of Chemistry IFM, University of Turin, Via Pietro Giuria 7, 10125 Turin, Italy;4. Sea Marconi Technologies S. a. s., Via Ungheria 20, 10093 Collegno (TO), Italy;1. Federal Rural University of Pernambuco, Serra Talhada, Pernambuco, Brazil;2. College of Agronomic Engineering, Universidade Federal do Pará, Altamira, Para, Brazil;3. Department of Chemistry and Biochemistry, IB, São Paulo State University - UNESP, Botucatu, São Paulo, Brazil;1. Agrotechnology and Food Sciences Group, Wageningen University and Research Centre, PO Box 17, 6700 AA Wageningen, The Netherlands;2. Mann Laboratory, Department of Plant Sciences, University of California, Davis, CA 95616, USA;1. Institute of Pharmacy, Bundelkhand University, Jhansi, Uttar Pradesh, India;2. Department of Pharmaceutical Sciences, Sam Higginbottom Institute of Agriculture, Technology and Sciences (deemed to be University), Allahabad, Uttar Pradesh, India;1. Federal Institute of Santa Catarina (IFSC), Campus Urupema, Senadinho Road, Center, Urupema, Santa Catarina, 88625-000, SC, Brazil;2. Department of Plant Science, Postharvest Research Center, Federal University of Santa Maria, Roraima Avenue 1000, Camobi, Santa Maria, 97105-900, RS, Brazil;1. University of Hohenheim, Biostatistics Unit, Fruwirthstraße 23, 70599 Stuttgart, Germany;2. Klemm?+?Sohn GmbH & Co KG, Stuttgart, Germany;3. GenXPro GmbH, Frankfurt am Main, Germany |
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| Abstract: | The present research investigated the effects of a non-volatile formulation of 1-methylcyclopropene (1-MCP) embedded in different cyclodextrin (CD)-based nanosponges (NSs) to extend the postharvest longevity of an ethylene-sensitive carnation cultivar. Cut flowers of Dianthus caryophyllus L. ‘Idra di Muraglia’ were treated with α- and β-CD-based nanosponge-1-MCP complexes (α- and β-NS complexes) in tap water to achieve two different concentrations of active ingredient (0.25 and 0.5 μL L?1). Treated flowers were compared to cut stems exposed to equivalent concentrations of volatile 1-MCP as well as a tap water control with or without pure α- and β-NS. Identical nanoporous compounds were applied by perfusion to yield a total of 15 treatments. Twenty-four hours after the treatments were applied, the cut flowers were exposed to exogenous ethylene (1 ± 0.2 μL L?1) for 24 h. The postharvest carnation flower and leaf quality in addition to ethylene production levels were determined daily (beginning 24 h after treatment). None of the α-NS complex applications statistically improved the vase life of cut flowers; however, β-NS complexes were effective in preventing senescence, reducing ethylene production (measured at nearly nil after 11 d), and maintaining original petal color longer. These results were particularly strong at the lowest concentration (0.25 μL L?1) of β-NS complex. Overall, this method promoted cut flower longevity (loss of ornamental value after 14.7 d; complete damage at day 18.5) better than the commercial 1-MCP gaseous application method. |
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