Investigating the effect of different methods and concentrations of salicylic acid on quality and vase life of Alstroemeria cv. fuji cut flowers

Subject Areas : Plant physiology

Sahar Hasanpour ¹ , Vahid Abdossi ² , وحید زرین نیا ³

1 - M. Sc Graguated, Department of Horticulture, Garmsar Branch, Islamic Azad University, Garmsar, Iran
2 -
3 - هیات علمی گروه گیاه پزشکی دانشگاه آزاد واحد علوم و تحقیقات تهران

Received: 2024-08-14 Accepted : 2024-10-23 Published : 2024-07-09

Keywords: Alstroemeria, Peroxidase, Polyphenol oxidase, Salicylic acid, Vase lif ,

Abstract :

Longevity and maintaining quality after harvesting ornamental plants is very important. The present study was conducted in order to investigate the effect of different methods and concentrations of salicylic acid on quality and vase life of alstroemeria (Alstroemeria spp.) cut flowers, in the form of a factorial experiment based on a completely randomized statistical design with 12 treatments, 3 replications and each replication containing 5 branches was performed. After harvesting, 45 alstroemeria flower branches were placed in long-term storage solutions containing salicylic acid (50, 100 and 150 mg/liter) along with 3% sucrose. 45 branches were placed in short-term storage solutions (24 hours) of salicylic acid (50, 100 and 150 mg/liter) and then transferred to containers containing distilled water with 3% sucrose. 45 branches were placed in containers containing distilled water with 3% sucrose and sprayed with salicylic acid (50, 100 and 150 mg/liter). Distilled water was used as a control (long-term), replaced after 24 as a control (short-term) and sprayed as a control (solution spraying). The morphophysiological, biochemical and life characteristics of alstroemeria cut flowers were evaluated on the 5, 10 and 15 days of the experiment. The results showed that the short-term treatment of salicylic acid 100 mg/liter had the greatest effect in improving the relative fresh weight of flowers, petal anthocyanins and the activity of polyphenol oxidase and peroxidase enzymes. The long-term treatment of salicylic acid 100 mg/liter increased the stability index of cell membrane, soluble solids and total chlorophyll leaf compared to other treatments. Also, the longest vase life Alstroemeria cut flowers was obtained in the long-term treatment of salicylic acid 100 mg/liter with 17.2 days and the lowest in the control (long-term) equal to 9.3 days.

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