PJB-2023-131
THE EFFECT OF DIFFERENT STORAGE CONDITIONS ON VASE LIFE OF CUT PEONY (Paeonia lactiflora Pall. “Sarah Bernhardt”)
ERTÜRK İNCE
Abstract
Paeonia lactiflora Pall. (Peony) is a very valuable and demanded cut flower that has been grown for centuries due to its large, showy, lush and often fragrant flowers. However, harvesting once and in a short timeframe also limits its use as a cut flower due to its short vase life. In this study, different storage conditions were applied to Paeonia lactiflora Pall. “Sarah Bernhardt” cut peony flower bunches. It is aimed to determine the application that provides the longest vase life by preserving the flower quality. Within the scope of the study, peony preservation was carried out under “Normal Atmosphere (NA), Controlled Atmosphere (CA; % CO2:O2= 10:3) and Modified Atmosphere Package (MAP= LDPE1: 25µ, 8000 cc/m2day O2 release; LDPE2: 25µ, 12000 cc/m2day O2 release; 16 gr/m2day; Humidity Barrier)” conditions. As a standard, 625 ppb 1-Methylcyclopropene (1-MCP) ethylene inhibitor was applied to all samples at room conditions and for 24 hours. After the pre-cooling process, the samples were taken to the room that set for 0 to +1 oC temperature and 85% relative humidity and storaged in the cold for 90 days. At the end of every 30 days, bunches of peonies taken into the vase life environment were placed in vases filled with 1000 ml of distilled water. It was determined that NA+1-MCP, the application with the longest vase life of 15 days, was observed in peony bunches followed in 20 oC temperature and 12 hours dark-12 hours light environment.
Keywords: 1-Methylcyclopropene, Controlled atmosphere, Cold storage, Cut peony, Modified atmosphere package, Vase life
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