Behzad Kaviani - Department of Horticultural Science, Faculty of Agriculture Rasht Branch, Islamic Azad University, Rasht, Iran
Mohammad Reza Safari Motlagh - Department of Horticultural Science, Faculty of Agriculture Rasht Branch, Islamic Azad University, Rasht, Iran
Davood Hashemabadi - Department of Horticultural Science, Faculty of Agriculture Rasht Branch, Islamic Azad University, Rasht, Iran
Shahrzad Rahimzadeh - Graduated of Horticultural Science, Department of Horticultural Science, Rasht Branch, Islamic Azad University, Rasht, Iran

In this study, the effects of peppermint and rose extracts on delaying the aging of Alstroemeria spp. cut flowers were investigated. Peppermint and rose extracts were used in concentrations of ۱۰, ۲۰ and ۳۰%. Quantitative and qualitative traits such as vase life, flower opening index, water uptake, fresh weight, dry weight, population of bacteria in vase solution and stem end, ion leakage, decreasing Brix degree, content of carotenoid and chlorophyll were evaluated. In this study, treatment of ۳۰% rose extract was better than other treatments and the highest vase life, Brix degree, and fresh and dry weights were obtained in this treatment. Treatment of ۱۰% mint extract was also effective in reducing the bacterial population, increasing water absorption and vase life. Treatment of ۱۰% rose extract had the highest efficiency in the process of flower opening and it acted like treatment of ۳۰% rose extract in fresh weight and Brix degree. The highest amount of chlorophyll was related to ۲۰% rose treatment and the highest amount of carotenoid was related to ۳۰% mint extract treatment.

Alstroemeria, Essential oils, Ornamentals, Postharvest longevity, Alstroemeria, Essential oils, Ornamentals, Postharvest longevity