Journal
POSTHARVEST BIOLOGY AND TECHNOLOGY
Volume 22, Issue 1, Pages 93-97Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0925-5214(00)00190-3
Keywords
cytokinin; flower senescence; fluoride; gibberellin; Santonia
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Santonia 'Golden Lights' is a new cut flower crop developed in New Zealand by hybridising Sandersonia aurantiaca with Littonia modesta. Vegetatively propagated tubers give rise to flowering stems that carry up to 30 individual orange trumpet-shaped flowers attached to a single leafy stem, The flowering stems can be harvested at a relatively immature stage (2-3 flowers orange) and have a vase life of ca. 10 days in water. There was no advantage gained by the addition of sucrose to vase solutions and continuous treatment with 2% sucrose or pulsing for 24 h with 10% sucrose caused leaf damage. The addition of cytokinin or gibberellic acid to vase solutions prevented leaf chlorosis, which was the major postharvest disorder encountered in these trials, Santonia is sensitive to fluoride and levels as low as 0.5 ppm cause leaf tip necrosis. (C) 2001 Elsevier Science B.V. All rights reserved.
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