[b]Effects of 1-MCP and Ethylene on Antioxidant Enzymes Activity and Postharvest Physio-Biochemical Characteristics of Cut Carnation Flower cv. ‘Fortune’[/b]
Journal Title: Journal of Ornamental and Horticultural Plants - Year 2015, Vol 5, Issue 4
Abstract
Carnation (Dianthus caryophyllus L.) is one of the most important cut flowers in the world. The majority of the carnation cultivars are sensitive to ethylene which affected the physiological and biochemical postharvest characteristics of these flowers. Applying inhibitors of biosynthesis and action of ethylene isimportant factor to protect the display quality and extend postharvest life. In order to evaluate the effects of 1-methylcyclopropene (1-MCP) and ethylene on antioxidant enzymes activity of cut carnation cv. Fortune and subsequently on extending the vase life, this experiment was designed in Completely Randomized Design (CRD) with 3 replications. Carnation cut flowers were firstly treated with 1-MCP at concentrations of 0, 0.5, 1 and 1.5 µl/l for 24 h and subsequently exposed to ethylene (1 µl/l) for 16 h. Data were analyzed using MSTAT-C statistical software and means were compared based on Least Significant Differences (LSD) test (p < 0.01). Our results showed that 1-MCP treatment had significant effects on vase life and biochemical characteristics like contents of leaf chlorophyll, petal anthocyanin, petal cell membrane stability and antioxidant enzymes activity such as catalase, peroxidase, and superoxide dismutase. The highest vase life and cell membrane stability were appeared in 1.5 µl/l 1-MCP which was significantly higher than 0 and 0.5 µl/l, although there was no significant difference with 1 µl. The highest chlorophyll and anthocyanin contents were also measured under 1.5 µl/l 1-MCP which was significantly higher than other treatments. The highest and lowest catalase and peroxidase activity were related to 1 and 0 µl/l 1-MCP, respectively. The highest and lowest superoxide dismutase activity was observed in 1.5 and 0 µl/l 1-MCP. In conclusion, application of 1-MCP improved and delayed the onset of senescence symptoms resulted in extending the vase life of cut carnation cv. Fortune.
Authors and Affiliations
Azam Ranjbar, Noorollah Ahmadi, Maliheh Eftekhari
Keywords
Related Articles
- EP ID EP164458
- DOI -
- Views 142
- Downloads 0
[b]Cypress Tree ([i]Cupressus arizonica[/i] Greene.) as a Biomonitor of Heavy Metal Pollution in the Atmosphere of Isfahan[/b]
Cypress tree with blue green foliage and scaly reddish brown bark is planted throughout world as an ornamental plant. One of the newest ways for determining amount and kind of environmental pollutants is natura...
Some Useful Information about Micropropagation
This review article investigates a comprehensive description of the factors, methods, strategies, approaches and prerequisites influencing in vitro micropaopagation and the amount of their use across the world. The...
Effect of Cycocel and Daminozide on Vegetative Growth, Flowering and the Content of Essence of Pot Marigold (Calendula officinalis)
Pot marigold (Calendula officinalis L.) is a medicinal and ornamental plant. The effect of different concentrations of chlormequat (cycocel), and daminozide, two plant growth retardant, on plant height, flowering,...
[b]Effect of Silicon on Growth and Ornamental Traits of Salt-stressed Calendula ([i]Calendula officinalis[/i] L.)[/b]
A pot experiment was carried out to determine the effect of foliage spraying of silicon (Si) on growth and ornamental characteristics of calendula grown under salt stress and greenhouse conditions. A fact...
[b]Marigold: The Possibilty Using Vermicompost as the Growth Medium[/b]
In order to investigation of vermicompost effect on growth and yield of marigold in pot medium, an experiment was done by a randomized compeletely block design in three raplications. Treatmnets were inclu...