POSTHARVEST QUALITY EFFECTS OF DIFFERENT VASELIFE SOLUTIONS ON CUT ROSE (Rosa hybrida L.)

Abstract

Cut flowers last only for a few days maintaining their beauty and attractiveness. Thus, using appropriate

preservatives could extend the vase life of harvested flowers. The study aimed to prolong the postharvest quality and

vase life of cut rose. The experiment was laid out in Completely Randomized Design with 5 treatments and 10

replications (flowers). The treatments (vase solutions) were as follows: T1- Filtered water, T2- 0.02 M STS + 2 %

Sucrose, T3- 0.02 M STS + 2 % Glucose, T4- 250 mg/L HQS + 2 % Sucrose and T5- 250 mg/L HQS + 2 %

Glucose. All treatments were kept at 25 °C and quality was determined by recording the relative fresh weight (%),

solution uptake, maximum flower head diameter (MFHD), blueing symptom, senescence flower and vaselife (days)

after 4 and 6 days of holding. Results showed detrimental effects of vase solutions with silver thiosulfate (STS) in

combination with sucrose and glucose after 4 days. However, hydroxyquinoline sulfate (HQS) vase solution with

glucose maintained a vaselife of 4.5 days. Maximum flower head diameter was better with HQS vase solution with

glucose (84.42 mm) after 6 days compared to filtered water (66.01 mm), but was statistically comparable with HQS

vase solution with sucrose (82.34 mm). Generally, vase solution of HQS with glucose manifested better results

compared to other treatments in terms of percent weightloss (26.62 %), maximum flower head diameter (84.42) and

vaselife of 4.5 days after 6 days of holding.

Keywords

• Cut rose,glucose,hydroxyquinoline,silver thiosulfate,sucrose

References

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