Effects of UV-B radiation on cuticle thickness and nutritional value of leaves in two mediterranean evergreen sclerophylls

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dc.contributor.authorGrammatikopoulos, G.en
dc.contributor.authorKyparissis, A.en
dc.contributor.authorDrilias, P.en
dc.contributor.authorPetropoulou, Y.en
dc.contributor.authorManetas, Y.en
dc.date.accessioned2015-11-24T16:31:56Z
dc.date.available2015-11-24T16:31:56Z
dc.identifier.issn0176-1617-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/7498
dc.rightsDefault Licence-
dc.subjectceratonia siliquaen
dc.subjectlaurus nobilisen
dc.subjectcuticleen
dc.subjectmediterraneanen
dc.subjectnitrogenen
dc.subjectnutritional qualityen
dc.subjectuv-ben
dc.subjectultraviolet-radiationen
dc.subjectfield conditionsen
dc.subjectscreening effectivenessen
dc.subjectphlomis-fruticosaen
dc.subjectwater relationsen
dc.subjecthigher-plantsen
dc.subjectl seedlingsen
dc.subjectsummeren
dc.subjectphotosynthesisen
dc.subjectresen
dc.titleEffects of UV-B radiation on cuticle thickness and nutritional value of leaves in two mediterranean evergreen sclerophyllsen
heal.abstractSeedlings of Laurus nobilis L. and Ceratonia siliqua L., grown for 1 year in the field under ambient radiation conditions were subsequently allowed to produce their new spring growth in a glasshouse in the absence or presence of UV-B radiation. The UV-B radiation dose was biologically equivalent to that which would have being received by the plants in their natural environment. Plant height, number of leaves, total and mean leaf area, the biomass allocated to both above and below ground parts, photochemical efficiency of PS II and chlorophyll content were not affected. However, W-B radiation resulted in slightly thicker leaves in L. nobilis and considerably thicker cuticles in both plants. W-B absorbing compounds were increased only in L.. nobilis, In addition, the leaf nutritional quality of this plant was considerably reduced by UV-B radiation, since phenolics and tannins were increased but nitrogen was decreased. No such changes were observed in C. siliqua. We may conclude that L, nobilis and C. siliqua are not only resistant against UV-B radiation damage, but the observed changes may benefit the plants through their anti-transpirant and anti-herbivore functions.en
heal.accesscampus-
heal.fullTextAvailabilityTRUE-
heal.identifier.secondary<Go to ISI>://000076688800032-
heal.journalNameJournal of Plant Physiologyen
heal.journalTypepeer reviewed-
heal.languageen-
heal.publicationDate1998-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιώνel
heal.typejournalArticle-
heal.type.elΆρθρο Περιοδικούel
heal.type.enJournal articleen

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