Preserving the Quality of Cold-stored Rose Flowers with Ethylene Antagonists

in HortScience
Authors:
Yoram MorHorticultural Research Institute, Knoxfield, P.O. Box 174, Ferntree Gully, Victoria 3156, Australia

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Fiona JohnsonHorticultural Research Institute, Knoxfield, P.O. Box 174, Ferntree Gully, Victoria 3156, Australia

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John D. FaragherHorticultural Research Institute, Knoxfield, P.O. Box 174, Ferntree Gully, Victoria 3156, Australia

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Abstract

The effects of inhibitors of ethylene synthesis and action on the vase life and quality of fresh and cold-stored ‘Gabriella’ roses (Rosa hybrida L. cv. Gabriella) were investigated. Aminooxyacetic acid (AOA) as a 1-hr pulse at 3 or 10 mM had no effect on the longevity of fresh flowers. However, the 10 mM pulse, applied either before or after cold-storage, extended by up to 2.7 days the longevity of roses that had been stored for 3 weeks at 1C. Silver thiosulfate (STS), as a 0.5-hr pulse at 0.5 mM, extended the life of fresh and cold-stored roses by 2 and 3 days, respectively.

Contributor Notes

Permanent address: Dept. of Ornamental Horticulture, The Hebrew Univ. of Jerusalem, Rehovot 76 100, Israel.

Received for publication 30 Nov. 1987. We thank Fran Richardson for technical help and J. Neil and Ezekiel Shlomo for supplying flowers for this work. We also thank A.H. Halevy, M.S. Reid, and D. Richards for helpful discussions. The cost of publishing this paper was defrayed in part by the payment of page charges. Under postal regulations, this paper therefore must be hereby marked advertisement solely to indicate this fact.

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