Articles
LEAF BLACKENING IN PROTEAS
Article number
261_9
Pages
81 – 84
Language
Abstract
The postharvest blackening of leaves of cut flowers of Protea eximia was not affected by treatments reducing transpiration or applying moderate water stress, but was exacerbated when the flowers were held under low light and high temperature conditions.
Removal of the inflorescence, placing the flowers in high light conditions, or girdling the stem immediately below the inflorescence delayed or eliminated leaf blackening.
These data suggest that competition for carbohydrate rather than water stress is a major cause of leaf blackening in cut stems of Protea eximia.
Removal of the inflorescence, placing the flowers in high light conditions, or girdling the stem immediately below the inflorescence delayed or eliminated leaf blackening.
These data suggest that competition for carbohydrate rather than water stress is a major cause of leaf blackening in cut stems of Protea eximia.
Authors
M. S. Reid, W. Doorn, Julie P. Newman
Keywords
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