Journal of Food, Agriculture and Environment

Response of various cut lisianthus cultivars to silver thiosulfate treatment

Author(s):

Esmaeil Chamani ^1*, Mosa Arshad ², Younes Pourbeyrami ¹

Recieved Date: 2009-01-14, Accepted Date: 2009-04-16

Abstract:

The effects of postharvest silver thiosulfate (STS) treatments on physicochemical characteristics of four cut lisianthus (Eustoma grandiflorum) cultivars (Purple, White, Purple-Rim and Pink-Rim) were investigated. Cut lisianthus flowers were pulse-treated with silver thiosulfate at 0, 0.5, 1 and 2 mM for 24 h at 22±2^oC. Experiment was conducted in completely randomized designs with factorial arrangement and seven replications. The results of experiment revealed that STS at all concentrations applied significantly (P>0.05) extended vase life of all cut lisianthus flowers compared to control. No significant differences were found between STS concentrations in Purple, White and Pink-Rim cultivars. However, in ‘Purple-Rim’, STS at 1 and 2 mM significantly increased vase life of flowers compared to 0.5 mM STS. There were significant differences between cultivars in response to STS concentrations, too. STS-treated flowers at all concentrations maintained a higher relative fresh weight (RFW) in all cultivars. Solution uptake of STS-treated flowers was higher than in control during whole experiment.

Keywords:

Cultivars, postharvest, relative fresh weight (RFW), silver thiosulfate (STS), solution uptake

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Journal: Journal of Food, Agriculture and Environment
Year: 2009
Volume: 7
Issue: 2
Category: Environment
Pages: 746-748

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