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Physiological aspects of cut orchids’flowers.

The Orchidaceae family has large diversity of species and hybrids with prominent inflorescence provided for by their size, form and colour combinations which contribute to their aesthetics. In Floriculture, orchids are grown primarily as potted plants, but more recently there has been an increased demand for fresh cut orchids for exportation. Those genera with characteristics proper for include Oncidium, Cymbidium, Dendrobium, Phalaenopsis and Cattleya. However, materials for fresh cut export are still far short of demand because there is little information available on methods that can be used to improve postharvest longevity of these flowers. The loss of cut flower quality is related to several physiological processes, including interactions among floral components that also related to qualitative factors. This research was conducted to determine which factors of orchid postharvest physiology could be used to ensure quality and postharvest longevity. These factors include senescence, flower longevity, developmental stage, water relations, respiration, reserve substrate, vascular blockage and plant hormones.

ISSN: 2447-536X

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