期刊
SCIENTIA HORTICULTURAE
卷 291, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.scienta.2021.110532
关键词
Cut flowers; Postharvest treatments; Shelf-life; Vase solutions
类别
资金
- CONACyT by scholarship [923865]
- Apoyo para acciones de mantenimiento de infraestructura cientifica Laboratorio Nacional de Micro y Nanofluidica LABMYN [314907]
Research shows that vase solutions based on calcium oxide nanoparticles have positive effects on stem firmness and reducing stem bending, weight loss, and preserving the diameter of gerbera flowers. Furthermore, gerberas treated with calcium oxide nanoparticles maintained their visual quality and chlorophyll content. The application of calcium oxide nanoparticles is considered an efficient alternative solution for preserving gerbera flowers during postharvest.
Gerbera flowers are positioned amongst the most marketed cut flowers worldwide due to their attractive appearance. Their shelf-life is typically short (7-12 days) owing to stem bending that determines its commercial value. Postharvest treatments based on vase solutions with calcium compounds (e.g., CaO, Ca (OH)(2), CaCO3, CaCl2) are applied to avoid stem bending. The aim of this research was to evaluate the effectiveness of vase solutions based on calcium oxide nanoparticles (CaO-NP) on the postharvest quality of gerbera (Gerbera jamesonii L. cv. 'Forza'). The treatments consisted in distilled water (negative control), 2000 mg.L-1 calcium chloride (positive control, CaCl2, 0.2 %), 0.1 % glycerol, and 50, 100 and 150 mg.L-1 of CaO-NP; glycerol (0.1 %) was applied to maintain the CaO-NP dispersed. Results indicated positive effects of CaO-NP on stem firmness, decreasing stem bending, as well as reducing the weight loss and preserving the diameter of the gerbera flowers. Moreover, gerberas treated with CaO-NP preserved their visual quality, and chlorophylls content. The action of CaO-NP did not modify phenolic compounds and antioxidant capacity. Thus, the application of CaO-NP can be considered as an efficient alternative vase solution to preserve gerbera flowers during postharvest.
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