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Leaf optical properties as affected by shade in saplings of six tropical tree species differing in successional status Braz. J. Plant Physiol.
Souza,Rogéria Pereira; Válio,Ivany F. M..
Tree species differing in successional status may present different responses to shade. Adjustments at leaf level may affect their optical properties, leading to changes in PAR (photosynthetically active radiation) absorbance. The aim of this study was to evaluate leaf optical properties as affected by understory shade in saplings of six tropical tree species differing in successional status and degree of shade tolerance. Chlorophyll content and specific leaf area (SLA) were also evaluated. The effects of shade on leaf optical properties and chlorophyll content differed among the studied species, whereas increased SLA was a common response for all species, reflecting the occurrence of thinner leaves under shade. The three studied shade-tolerant species -...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Chlorophyll; Leaf absorbance; Shade tolerance; Specific leaf area; Successional species.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1677-04202003000100007
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