Journal of Food, Agriculture and Environment

Silver thiosulfate prolongs vase life and improves quality of cut gladiolus and rose flowers

Author(s):

Abdulrahman I. Al-Humaid

Recieved Date: 2004-01-05, Accepted Date: 2004-03-22

Abstract:

Gladiolus (Gladiolus gandavensis) ‘Rose Supreme’ and rose (Rosa hybrida L.) ‘Evel Tower’ cut flowers were treated with 4 mM silver thiosulfate solution (STS) for different periods to evaluate the effect of various pulse periods on flower vase life and quality. Treating cut gladiolus spikes and rose stems with STS at 4 mM for 60 min prolonged flower vase life by 75.86% and 54.16%, respectively, and improved postharvest quality. Rose stems pretreated with STS for 30, 40 or 60 min. never showed bent neck. Silver thiosulfate treatments showed an antimicrobial effect, as the bacterial count in the basal parts of gladiolus and rose stems pretreated with STS was significantly reduced. There was an adversely proportional relationship between STS pulse period and total bacterial count in the basal parts of the stems. The longer the pulse period the fewer the total microbial count. Treating gladiolus cut flowers with STS improved flower-opening rate and reduced deterioration rate. Maximum open and lowe st deteriorated number of gladiolus flowers occurred when spikes were treated with STS at 4 mM for 60 min.

Keywords:

Gladiolus gandavensis, Rosa hybrida, vase life, silver thiosulfate, postharvest quality, antimicrobial agent

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Journal: Journal of Food, Agriculture and Environment
Year: 2004
Volume: 2
Issue: 2
Category: Agriculture
Pages: 296-300

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