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1. Vajnhandl, Anja. Vpliv obžiranja monofagnega zavrtača na transpiracijo in potencialno alelopatsko sposobnost gostiteljske rastline.

Degree: 2018, Univerza v Mariboru

Rod Allium je ekološko pomemben rod, saj v veliki meri njegovi predstavniki predstavljajo gostiteljske rastline številnim herbivorom. V tem magistrskem delu smo preučevali vpliv monofagnega listnega zavrtača na fiziologijo in kompeticijsko sposobnost gostiteljske rastline. Za primer smo si izbrali interakcijo med vrsto zavrtača Cheilosia fasciata (Diptera: Syrphidae) in njegovo gostiteljsko rastlino Allium ursinum. Preučevali smo razlike v transpiraciji z meritvami prevodnost listnih reţ med tremi tipi listov (zdravimi, okuţenimi listi in listi s simulacijo okuţbe), pri tem pa smo spremljali tudi abiotske dejavnike. Za kompeticijski potencial smo s pomočjo Lepidium testa in testa hlapljivih substanc na rastišču testirali ali prihaja do razlik v alelopatskem učinkovanju. Zanimalo nas je tudi ali bodo listi s simulacijo okuţenosti lista kazali kakšno podobnost z ostalima tipoma listov. Prevodnost listnih reţ je pri vseh tipih listov padala skozi čas. Listi s simulacijo okuţbe so ohranili najboljšo stomatalno prevodnost po obdobju cvetenja čemaţa, vendar so razlike med tipi listi bile majhne. Dokazali smo, da je čemaţ alelopatsko aktiven, saj je s koncentracijo vodnih ekstraktov iz listov dolţina kalic padala, višji kompeticijski potencial sta imela okuţen tip lista in list s simulacijo okuţbe v primerjavi z zdravim tipom lista. Na rastišču ni bilo razlik v alelopatskem učinkovanju hlapljivih substanc v in izven sestoja. Metoda s poškodbo lista (luknjanje) se je izkazala za manj učinkovito pri posnemanju objedanja listnega zavrtača.

Because the majority of Allium members are host plants for numerous herbivores, this genus is of great ecological importance. Presented Msc Thesis investigated the impact of the monophagous leafminer on the ecophysiology and the competitive ability of its host plant. The interaction between the Cheilosia fasciata (Diptera: Syrphidae), a miner species, and its host plant Allium ursinum was chosen as an example. Research entailed looking at differences in transpiration with the help of stomatal conductance measurements in three types of leaves (healthy leaves, infested leaves and leaves with simulated infestation) as well as considering abiotic components. In order to focus on the competitive potential, Lepidium test and test of volatile substances were conducted to check for differences in allelopathic effects. In addition, special attention was also paid to the potential similarities between the leaves with simulated infestation and the other two types of leaves. In all three types, stomatal conductance had reduced in time. The leaves with simulated infestation preserved the highest level of stomatal conductance after the flowering stage of the wild garlic

the differences between the types were, however, minimal. The present work proves that wild garlic is an allelopatically active plant, since the length of bioassay seedlings reduced with increasing concentration of water extracts from the leaves. In comparison to the healthy type of leaves, the infested leaves and leaves with…

Advisors/Committee Members: Šajna, Nina.

Subjects/Keywords: čemaţ; Allium ursinum; listni zavrtač; Cheilosia fasciata; porometrija; prevodnost listnih reţ; listna reţa; Lepidium test; alelopatija; wild garlic; Allium ursinum; leaf miner; Cheilosia fasciata; porometry; stomatal conductivity; stomata; Lepidium test; Allelopathy; info:eu-repo/classification/udc/581.524.13:582.584.1(043.2)

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APA (6th Edition):

Vajnhandl, A. (2018). Vpliv obžiranja monofagnega zavrtača na transpiracijo in potencialno alelopatsko sposobnost gostiteljske rastline. (Masters Thesis). Univerza v Mariboru. Retrieved from https://dk.um.si/IzpisGradiva.php?id=69607 ; https://dk.um.si/Dokument.php?id=121858&dn= ; https://plus.si.cobiss.net/opac7/bib/23684872?lang=sl

Chicago Manual of Style (16th Edition):

Vajnhandl, Anja. “Vpliv obžiranja monofagnega zavrtača na transpiracijo in potencialno alelopatsko sposobnost gostiteljske rastline.” 2018. Masters Thesis, Univerza v Mariboru. Accessed December 14, 2018. https://dk.um.si/IzpisGradiva.php?id=69607 ; https://dk.um.si/Dokument.php?id=121858&dn= ; https://plus.si.cobiss.net/opac7/bib/23684872?lang=sl.

MLA Handbook (7th Edition):

Vajnhandl, Anja. “Vpliv obžiranja monofagnega zavrtača na transpiracijo in potencialno alelopatsko sposobnost gostiteljske rastline.” 2018. Web. 14 Dec 2018.

Vancouver:

Vajnhandl A. Vpliv obžiranja monofagnega zavrtača na transpiracijo in potencialno alelopatsko sposobnost gostiteljske rastline. [Internet] [Masters thesis]. Univerza v Mariboru; 2018. [cited 2018 Dec 14]. Available from: https://dk.um.si/IzpisGradiva.php?id=69607 ; https://dk.um.si/Dokument.php?id=121858&dn= ; https://plus.si.cobiss.net/opac7/bib/23684872?lang=sl.

Council of Science Editors:

Vajnhandl A. Vpliv obžiranja monofagnega zavrtača na transpiracijo in potencialno alelopatsko sposobnost gostiteljske rastline. [Masters Thesis]. Univerza v Mariboru; 2018. Available from: https://dk.um.si/IzpisGradiva.php?id=69607 ; https://dk.um.si/Dokument.php?id=121858&dn= ; https://plus.si.cobiss.net/opac7/bib/23684872?lang=sl

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