Silica Nanoparticles Enhances Physio-Biochemical Characters and Postharvest Quality of Rosa hybrida L. Cut Flowers

Journal of Horticultural Research

El-Serafy Rasha S.¹ 

[1] Horticulture Department, Faculty of Agriculture, Tanta University, Tanta, 31527, Egypt;

关键词: preservative solutions;    silica nanoparticles;    membrane stability index;    phenol;    flavonoid;    mda;   

DOI  :  10.2478/johr-2019-0006

来源: DOAJ

【 摘 要 】

The effect of silica nanoparticles (SiNPs) preservative solutions on the postharvest quality of rose cut flowers was investigated in this study. SiNPs were used at the concentrations of 0, 1, 2, and 3 mg·dm−3. Treatments of SiNPs increased flower longevity compared to untreated flowers. Relative fresh weight, relative water content, and water uptake were improved because of SiNPs treatments. The enhancement in chlorophyll content, total soluble sugars, as well as total phenol and flavonoid contents were positively correlated with SiNPs treatments. Malondialdehyde (MDA) content significantly increased by control roses relative to treated ones. Activities of peroxidase (POX) and polyphenol oxidase (PPO) enzymes significantly increased because of SiNPs treatments compared to the control. The treatment of 2 mg SiNPs·dm−3 maximized the longevity and improved the postharvest quality of cut roses. The results obtained suggested that SiNPs treatments could improve the longevity and postharvest quality of cut roses by reducing lipid peroxidation and motivating antioxidant machinery, therefore, retaining the membrane integrity.

【 授权许可】

Unknown