Nanosponges can favour the gradual release of molecules over a prolonged time, increasing the bioavailability and action of preservatives and phytoregulators, reducing the sconcentrations usually adopted. In floriculture, they have previously been proposed for the delivery of antiethylene compounds to improve the shelflife of cut flowers. However, the potential of nanosponges is not only limited to these compounds. The present scoping review evaluated the effects of βcyclodextrinbased nanosponges and growth regulators on the postharvest longevity of cut flowers of ornamental species. One novelty was the use of Forchlorfenuron (CPPU), a growth regulator belonging to the group of cytokinins predominantly used in fruit cultivation, to evaluate its potential to increase the shelflife of cut carnations (Dianthus caryophyllus L). In particular, an indepth analysis of a pretest involving the use of nanosponges and CPPU is proposed. Specifically, as far as postharvest longevity is concerned, the treatments involved the use of: deionised water; nanosponges and deionised water; nanosponges loaded with CPPU; nanosponges loaded with a classic solution for cut flowers, composed of sucrose, aluminium sulphate and 8hydroxyquinoline sulphate. Preliminary results show that the nanosponge and deionised water complex and the nanosponge and classical solution complex prolonged the longevity of the cut flower by up to 20 days, compared to the control (17 days). In contrast, the CPPUnanosponge complex showed similar results to the control. Replication of the research is necessary to validate the results.
Nanosponges and CPPU: a scoping review and a pretest to assess the potentiality for shelflife prolongation of cut carnations
Battisti L.
;Caldera F.;Hoti G.;Trotta F.;Devecchi M.
2023-01-01
Abstract
Nanosponges can favour the gradual release of molecules over a prolonged time, increasing the bioavailability and action of preservatives and phytoregulators, reducing the sconcentrations usually adopted. In floriculture, they have previously been proposed for the delivery of antiethylene compounds to improve the shelflife of cut flowers. However, the potential of nanosponges is not only limited to these compounds. The present scoping review evaluated the effects of βcyclodextrinbased nanosponges and growth regulators on the postharvest longevity of cut flowers of ornamental species. One novelty was the use of Forchlorfenuron (CPPU), a growth regulator belonging to the group of cytokinins predominantly used in fruit cultivation, to evaluate its potential to increase the shelflife of cut carnations (Dianthus caryophyllus L). In particular, an indepth analysis of a pretest involving the use of nanosponges and CPPU is proposed. Specifically, as far as postharvest longevity is concerned, the treatments involved the use of: deionised water; nanosponges and deionised water; nanosponges loaded with CPPU; nanosponges loaded with a classic solution for cut flowers, composed of sucrose, aluminium sulphate and 8hydroxyquinoline sulphate. Preliminary results show that the nanosponge and deionised water complex and the nanosponge and classical solution complex prolonged the longevity of the cut flower by up to 20 days, compared to the control (17 days). In contrast, the CPPUnanosponge complex showed similar results to the control. Replication of the research is necessary to validate the results.
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