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Asian Journal of Animal Sciences
Year: 2012  |  Volume: 6  |  Issue: 3  |  Page No.: 122 - 131

Response of Vase-life Carnation Cut Flower to Salicylic Acid, Silver Nanoparticles, Glutamine and Essential Oil

Mohsen Kazemi and Atefe Ameri    

Abstract: The aim of this study was to evaluate the efficacy of silver nanoparticles (SNP), Salicylic acid, Glutamine and essential oils as novel antimicrobial agents in extending the vase-life of carnation (Dianthus caryophyllus) flowers. Two separate sets of experiments were conducted in a completely randomized design. In the first trial were applied salicylic acid (1, 1.5 and 2 mM), glutamine (50, 100 and 150 mg L-1) and silver nanoparticles (5, 10 and 15 mg L-1) on carnation cut flowers. The second set included investigating the effect of adding three concentrations of 50, 100 and 150 mg L-1 of Lavender essential oil or Thyme essential oil, two concentrations of 12.5 or 17.5 mg L-1 silver nanoparticles and two concentrations of 2.5 or 5 mM salicylic acid into preservative solutions containing 200 mg L-1 of glutamine. In both experiments distilled water was used as a control. The results of these experiments indicated that both application methods increased vase-life of carnation. In the first trial, the results showed that all salicylic acid, glutamine and silver nanoparticles different concentrations prolonged carnation vase-life, while decreasing malondialdehyde (MDA) content, accumulation of bacteria in vase solution, ACC-oxidase activity and membrane permeability together with total delay of senescence and per oxidation of lipids. In the second trial, all essential oils prolonged carnation vase-life. Lavender essential oil or Thyme essential oil (150 mg L-1), salicylic acid (2.5 mM) and silver nanoparticles (17.5 mg L-1) showed the highest effect (increasing 8.5 days) in comparison to the control.

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