Investigating the Impact of Nanoparticles on Postharvest Quality and Vase Life of the Cut Roses

In the present study, the cut roses (Rosa hybrida cv. Full house) were treated with different concentrations (25, 50 and 100 ppm) of silver nanoparticles for 1 hour. After the pulsing treatment, the flowers were kept in distilled water for analysis during the rest of the study. The impact of silver nanoparticles on postharvest qualities of the cut roses including vase life, flower diameter,soluble carbohydrate content in leaves and petals, anthocyanin content of the petal, leaf chlorophyll content, the relative fresh weight,and petal turgidity content were examined.The results indicated that 50 ppm silver nanoparticle significantly delayed the senescence of the cut rose flowers. In addition, the aforementioned treatment significantly improved other postharvest parameters under study including the maximum vase life. The amount of soluble carbohydrate content in petals and leaves, anthocyanin concentration in petals, leaf chlorophyll, petal turgidity, and relative fresh weigh decreased during the evaluation stages in the postharvest period. The minimum amount of decrease was observed in 50 ppm silver nanoparticle treatment. The 100 ppm silver nanoparticle treatment negatively impacted the trait under analysis and resulted in the minimum amount of vase life. It can be concluded that 50 ppm sliver nanoparticle treatment is suggested for increasing the vase life of the cut roses cv. Full house.