Comparing Medicinal Plant Extracts and Pulsing Treatments on Rose Cut Flowers "Dolce Vita"
Journal Title: Scientia Agriculturae - Year 2013, Vol 4, Issue 1
Abstract
The effect a pulse treatment¬ of 4%(w/v) calcium chloride + 3%(w/v) sucrose and deionised water(DI) in combination with medicinal plant extracts (Stevia rebaudiana, Thymus vulgaris)at 0.1,0.2 ppm for 24 h was evaluated daily for its effect on the vase life and flower quality of cut rose flowers "Dolce Vita". A completely randomized design with three replications was used in this survey. Effects on vase life and the flower quality were evaluated by analyzing relative fresh weight (RFW) , flower senescence, flower diameter, chlorophyll content of rose cut flowers. A significant improvement in flower diameter and relative fresh weight (RFW) of rose cut flowers were occurred when treated with 0.1ppm Thyme extracts more effects when combined with a pulse treatment of 3% (w/v) sucrose +4% (w/v) cacl2 , which recorded the best¬ treatment compared to other concentrations of medicinal plant extracts . Also Stevia extracts at 0.1 ppm accompanied by 3% (w/v) sucrose +4% (w/v) cacl2 retarded the chlorophyll degradation during the postharvest life.The flower senescence and/or wilting were minimized as result of using Thyme extracts¬ at 0.2 ppm accompanied by 3% (w/v) sucrose +4% (w/v) cacl2 . However the flower senescence increased with a pulse treatment of deionised water (DI) along with Thyme extracts at 0.2 ppm ,while the pulse treatment of 3% (w/v) sucrose +4% (w/v) cacl2 shortened the period to reach wilting. Futhermore, the pulse treatment of 3% (w/v) sucrose +4% (w/v) cacl2 in combination with Thyme extracts¬ at 0.2 ppm had more positive effects on extending the vase life of cut rose flowers than two controls groups or other treatments.
Authors and Affiliations
Laleh Eshaghdavatgar, Mehrdad Jafarpour, Ahmad Reza Golparvar
Keywords
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