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CORDEIRO, Delaine Cristina et al. Sensitivity of 'Osiana' rose to ethylene. Bragantia [online]. 2011, vol.70, n.3, pp.677-681. ISSN 0006-8705.

The aim of this experiment was to determine the sensitivity and responses of the 'Osiana' (Rosa × hybrida ) rose to the presence of ethylene through postharvest life. The flower stems were placed in closed chambers and immediately treated with 0.0, 0.1, 1.0, 10, 100 and 1000 µL L-1ethylene for 24 h. The postharvest life of the flower was reduced when exposed to 10 µL L-1ethylene or higher, with flowers developing necrosis, wilting and the petals prematurely abscising. Ethylene concentrations of 0.1 and 1.0 µL L-1hastened the opening of flower buds within the 24 h of ethylene treatment, with no subsequent reduction of postharvest life. The flowers of rose 'Osiana' can be classified as sensitive to ethylene with the concentration influencing the stimulated processes. 

Keywords : postharvest; cut flower; vase life.

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