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Variabilnost poljskega jesena (Fraxinus angustifolia Vahl) v Sloveniji : magistrsko delo = Variability of narrow - leaved ash (Fraxinus angustifolia Vahl) in Slovenia : Master of science thesisJarni, KristjanPoljski jesen (Fraxinus angustifolia Vahl) je v Sloveniji samonikla vrsta z deljenim arealom. Večji del areala obsega poplavna, obrečna nižinska rastišča v panonskem svetu in manjši del vlažna ... rastišča ob nekaterih rekah v sredozemskem svetu. Variabilnost poljskega jesena v Sloveniji je bila proučevana s pomočjo morfometrijske analize listov in plodov. V petih populacijah poljskega jesena (70 dreves) in primerjalne populacije velikega jesena (14 dreves) je bilo skupno analiziranih 5490 listov in 2440 plodov. Na posameznih listih, ki so bili glede osončenosti razdeljeni na sončne in senčne, je bilo merjenih 40 znakov, medtem ko je bilo na plodovih merjenih 9 znakov. S hierarhično zasnovanim poskusom je bil z analizo variance potrjen značilni prispevek vseh proučevanih nivojev. Ugotovljeno je bilo, da k variabilnosti listov pri poljskem jesenu največ prispevajo razlike med drevesiv posameznih populacijah, sledijo razlike med populacijami in razlike, ki so posledica različne osončenosti listov. Tako univariatne kot multivariatne statistične tehnike so pokazale, da so najboljši razlikovalni znaki med posameznimi populacijami znaki, ki se nanašajo na velikost listov. Znajmanjšimi listi izstopa populacija Dragonja, po večini morfoloških znakov tako na listih kot na plodovih pa ji je najbolj podobna populacija Lijak. Senčni listi so v primerjavi s sončnimi praviloma večji in imajo širše in boljna kratko zašiljene posamezne lističe, v čemer so zelo podobni listom velikega jesena. Na splošno so fenotipske razlike med subpanonskimi in submediteranskimi populacijami poljskega jesena majhne in neizrazite. Na osnovi odkritih razlik ni mogoče potrditi prisotnosti dveh podvrst poljskega jesena v Sloveniji.Type of material - master's thesis ; adult, seriousPublication and manufacture - Ljubljana : [K. Jarni], 2009Language - slovenianCOBISS.SI-ID - 2461094
Author
Jarni, Kristjan
Other authors
Brus, Robert |
Kraigher, Hojka
Topics
Fraxinus angustifolia |
poljski jesen |
morfometrijska analiza |
listi |
plodovi |
Slovenija
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BF, Central Biotechnical Library, Lj. |
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Skladišče M II 0000008476 IN: 02009057130 Skladišče M II 8476 IN: 02009057130 |
available - outside loan, loan period: 30 days
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Jarni, Kristjan | 26070 |
Brus, Robert | 11958 |
Kraigher, Hojka | 07127 |
Source: Personal bibliographies
and: SICRIS
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