Articles
STUDY OF ANATOMICAL AND PHYSIOLOGICAL CHARACTERISTICS IN LEAVES OF DIANTHUS CARYOPHYLLUS L.
Article number
246_10
Pages
105 – 112
Language
Abstract
Anatomical and physiological leaf characteristics of three Mediterranean cultivars of Dianthus caryophyllus L. (cvs: Lovere, Fausto and Simona) were studied.
All three cultivars showed palisade parenchyma (PP) on the adaxial and abaxial surfaces, and a palisade/spongy parenchyma ratio higher than 1. Simona had the tickest leaves with the thickest PP and SP, and Lovere the thinnest.
Leaves were amphistomatous and stomatal size and frequency were inversely related.
Lovere had a higher stomatal frequency, a greater pore area per unit leaf area and a greater stomatal index than Fausto and Simona.
These stomatal characteristics were in agreement with measured values of stomatal conductance (Gs) and net photosynthesis (Pn) which were highest in Lovere.
The higher Pn observed in Simona could be related to its thicker leaves, bigger palisade and spongy chloroplasts and higher soluble protein content.
All three cultivars showed palisade parenchyma (PP) on the adaxial and abaxial surfaces, and a palisade/spongy parenchyma ratio higher than 1. Simona had the tickest leaves with the thickest PP and SP, and Lovere the thinnest.
Leaves were amphistomatous and stomatal size and frequency were inversely related.
Lovere had a higher stomatal frequency, a greater pore area per unit leaf area and a greater stomatal index than Fausto and Simona.
These stomatal characteristics were in agreement with measured values of stomatal conductance (Gs) and net photosynthesis (Pn) which were highest in Lovere.
The higher Pn observed in Simona could be related to its thicker leaves, bigger palisade and spongy chloroplasts and higher soluble protein content.
Authors
D. Vidal, J. Sabidó, M. Gisbert, J.F. Aguilá
Keywords
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