The effect of Benzyladenin on reducing lipid peroxidation and carotenoids in Lilium oriental. cv belladonna
Reyhane Arefnia | Abdolah Hatamzadeh | mahmood ghasemnezhad
In order to evaluate the effect of pre-harvest spray with Benzyladenin (BA) on improving flower quality and delaying flower and leaf senescence in Lilium oriental, a study was carried out as a spilt plot factorial experiment where 5 levels of Benzyladenin (0, 25, 50, 75, and 100 ppm) with three replications and two stages of spraying (budding start and before dyeing buds). Assaying the traits were done in seventh and twelfth two-days after harvest. The flowers were sprayed at two stages, budding and before flowering in the bud stage. Distilled water was used as control. Characteristics such as flower shelf life and lipid peroxidation in petals and leaves on seventh and twelfth days after harvest and carotenoids contents of petals on seventh and twelfth days after harvest were measured. Results showed that spraying with 100 ppm BA at the beginning of flower pigmentation was more effective in delaying senescence in flowers and leaves as compared to the control. Lipid peroxidation in leaves and flowers treated with 100 ppm BA application was significantly lower than the control. In contrast, carotenoid content of flowers sprayed with 100 ppm BA was higher and the lowest values were found in the control. In total, it was found that BA maintains stability by improving the quality and prolonging the flowers’ survival.
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