Physiological characterization of two tropical epiphyte species: Dyckia distachya and Vriesea platynema (Bromeliaceae)

VIRGILIO GAVICHO UARROTA , Regina de Oliveira Rodrigues, Marilia Shibata, Ricardo Cipriani, Daniele Nerling, Luana dos Santos de Sousa, Rosete Pescador

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Abstract

Leaf extracts of two species of bromeliads (Vriesea platynema and Dyckia distachya) differing in their phenotype were investigated in this study. Physiological and biochemical changes combined with the photosynthetic behavior were investigated. Dyckia distachya showed superiority in chlorophylls, carotenoids and total carbohydrates. Vriesea platynema showed higher starch content, light and C02 flow curves following a quadratic model. We find out that Dyckia distachya has an efficient mechanism for surviving adverse environmental factors.

Original languageEnglish
Pages (from-to)70-76
Number of pages7
JournalAsian Journal of Plant Sciences
Volume11
Issue number2
DOIs
StatePublished - 18 May 2012

Keywords

  • Carotenoids
  • Dyckia distachya
  • Photosynthesis
  • Starch
  • Vriesea platynema

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