Effect of banzyladenine‚ gibberellic acid and cold, dry storage on the longevity of lilium (Lilium longiflorum cv. Fangio) cut flowers

Subject Areas : Agroecology Journal

Elham Faraji ¹ , sepideh kalatehjari ² , ynes Mostofi ³ , fuad Moradi ⁴

1 - M.Sc. Student.Horticulture Department, Agriculture Faculty, Sciences and Research Branch, Islamic Azad University, Tehran, Iran.
2 - Assistant prof. Horticulture Department, Agriculture Faculty, Sciences and Research Branch, Islamic Azad University, Tehran, Iran.
3 - Associate Prof., Natural Resources and Agriculture Faculty, University of Tehran, Karaj, Iran.
4 - Scientific Board of Seed and Plant Improvement Research Institute, Karaj, Iran.

Received: 2010-06-14 Accepted : 2010-12-22 Published : 2011-01-21

Keywords: Lilium, Gibberellic acid, Cut Flower, nano silver, Cold Storage, Banzyladenine,

Abstract :

In order to evaluat the effects of banzyladenine (BA)‚ gibberellic acid(GA3) and cold, dry storage on the longevity of liliumcut flowers (cv. Fangio) an experiment was conducted as a factorial based on randomized complete block design with three replications. Cut flowers were treated with 100 mg/lit BA plus 100 mg/lit GA3 and distilled water (control) as a short-term pretreatment for 24 hours, then they kept in dry storage in 4ċ for 10 days. In dry storage, flowers were sprayed with 2 ppm nano silver or distilled water. After storage, cut flowers were placed in preservative solution containing 2 ppm nano silver plus 3% sucrose and were evaluated until the end of vase life. Results showed that addition of BA+GA3 (100mg/lit of each) as a pulsed treatment in solution for 24 hours prior cold storage increased petals anthocyanin, vase life (P<1%) and membrance stability index (P<5%) and decreased percentage of blasted buds and chlorophyllase activities. Stems kept in dry storage at 4ċ and then treated with preservative solution containing 2 ppm nano silver plus 3% sucrose produced the longest vase life (P<5%) and decreased percentage of blasted buds (P<5%).

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