Výsledky vyhledávání - "Vally Liakoura"

Should structure-function relations be considered separately for homobaric vs. heterobaric leaves?

Autor: George Karabourniotis, Mariangela N. Fotelli, Heinz Rennenberg, Vally Liakoura

Publikováno v: American Journal of Botany. 96:612-619

Tree and shrub species can be differentiated into two major groups based on their substantially different leaf anatomy: heterobaric and homobaric. In contrast to homobaric leaves, heterobaric leaves have bundle sheath extensions (BSEs) that create tr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c59d2b0557cfd342fc68c5bae0a615de
https://doi.org/10.3732/ajb.0800166

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The ability of abaxial and adaxial epidermis of sun and shade leaves to attenuate UV-A and UV-B radiation in relation to the UV absorbing capacity of the whole leaf methanolic extracts

Autor: Vally Liakoura, Janet F. Bornman, George Karabourniotis

Publikováno v: Physiologia Plantarum. 117:33-43

The UV-absorbing capacity (measured as A(310) cm(-2) and A(365) cm(-2) or AUVR cm(-2)) of the shade leaves of four representative evergreen sclerophylls of the Mediterranean region (Quercus coccifera, Q. ilex, Arbutus andrachne and A. unedo) was cons

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3562ff77c4526ece849c6f5d68479dfe
https://doi.org/10.1034/j.1399-3054.2003.1170104.x

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Seasonal fluctuations in the concentration of UV-absorbing compounds in the leaves of some Mediterranean plants under field conditions

Autor: Yiannis Manetas, George Karabourniotis, Vally Liakoura

Publikováno v: Physiologia Plantarum. 111:491-500

Leaves of 14 representative Mediterranean plant species were collected on a monthly basis and assayed for UV-absorbing compounds concentration, either on an area or a dry mass basis, from 1995 to 1997. Strong seasonal fluctuations were observed in ei

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db82b3c799df37baf16c91c60c91196e
https://doi.org/10.1034/j.1399-3054.2001.1110409.x

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Effects of UV-B radiation on Olea europaea: comparisons between a greenhouse and a field experiment

Autor: Vally Liakoura, George Karabourniotis, Yiannis Manetas, Sotiria Stavrianakou, George Liakopoulos

Publikováno v: Tree Physiology. 19:905-908

We compared growth, morphology, anatomy and physiology of field-grown Olea europaea L. plants after one year with or without supplemental UV-B radiation equivalent to the increase at ground level resulting from a 15% depletion in stratospheric ozone

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::784e77e5d9bf531ac299017499593568
https://doi.org/10.1093/treephys/19.13.905

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Trichome density and its UV-B protective potential are affected by shading and leaf position on the canopy

Autor: George Karabourniotis, Yiannis Manetas, Vally Liakoura, C. Cholevas, M. Stefanou

Publikováno v: Environmental and Experimental Botany. 38:223-229

In Olea europaea trichome density and UV-B absorbing compounds of leaf hairs and the lamina proper of leaves located in south-facing, north-facing and the internal of the canopy were positively correlated to the UV-B midday instant irradiance measure

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3e1f8c014c640f82031aa82301eff559
https://doi.org/10.1016/s0098-8472(97)00005-1

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Photosynthetic capacity is negatively correlated with the concentration of leaf phenolic compounds across a range of different species

Autor: Mark A. Adams, Mariangela N. Fotelli, Georgios Liakopoulos, George Karabourniotis, Georgia Tooulakou, Elissavet Dotsika, Sally Sumbele, Panagiota Bresta, Vally Liakoura, Dimosthenis Nikolopoulos

Publikováno v: AoB Plants

This study reveals a negative relationship between leaf phenolic compounds and photosynthetic Amax among different plant species. This indicates a functional integration among carbon gain and the concentration of leaf phenolic compounds that reflects

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b2dd2b20a0006b8a7a5c5e245c0a8406
https://doi.org/10.1093/aobpla/pls025

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Different leaf surface characteristics of three grape cultivars affect leaf optical properties as measured with fibre optics: possible implication in stress tolerance

Autor: George Karabourniotis, Vally Liakoura, Janet F. Bornman

Publikováno v: Karabourniotis, G, Bornman, J & Liakoura, V 1999, ' Different leaf surface characteristics of three grape cultivars affect leaf optical properties as measured with fibre optics: Possible implication in stress tolerance ', Australian Journal of Plant Physiology, vol. 26, pp. 47-53 .

Young leaves of three grape cultivars having different surface characteristics (cv. Athiri, pubescent; cv. Soultanina, glabrous green; and cv. Fraoula, glabrous red-brown) only during the early stages of their development, were used to investigate th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::beac3ccb641ad9863ed195d743cac727
https://doi.org/10.1071/pp98052

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