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Title:
Morfološke značilnosti listov medvrstnih križancev bezga
Authors:
ID
Weiss Boltar, Metka
(Author)
ID
Vogrin, Andrej
(Mentor)
More about this mentor...
ID
Ivančič, Anton
(Comentor)
Files:
VS_Weiss_Boltar_Metka_2019.pdf
(972,47 KB)
MD5: 3E5623634B788373BBC382B6439A9194
PID:
20.500.12556/dkum/fe171dd0-06f4-42b2-a24b-967ef2d86584
Language:
Slovenian
Work type:
Bachelor thesis/paper
Organization:
FKBV - Faculty of Agriculture and Life Sciences
Abstract:
Bezgi (rod Sambucus) predstavljajo pestro skupino vrst, ki imajo lahko številne enake ali podobne lastnosti, v marsičem pa se zelo razlikujejo. Naša raziskava je obsegala 157 rastlin/genotipov iz 44 različnih kombinacij medvrstnih križanj, ki se vzdržujejo v genski banki Botaničnega vrta Univerze v Mariboru. Z različnimi meritvami, štetjem in primerjanjem smo opisali nekatere ključne morfološke značilnosti listov. Na vsaki opazovani rastlini smo izbrali najbolj tipičen povsem razvit list in izmerili dolžino celega lista, dolžino peclja, dolžino in širino vršnega lističa ter razdaljo od baze do linije, ki opredeljuje maksimalno širino vršnega lističa. Poleg tega smo prešteli število vseh lističev, ki sestavljajo list, število nedeljenih lističev in število lističev drugega reda (če so obstajali) ter morebitne priliste. Od kvalitativnih lastnosti smo določili obliko listnega roba, konice in baze. Pri opazovanih križancih je bil rob vršnega lističa napiljen oz. nažagan, konica podaljšana, baza pa ostrokotna ali razširjena (zaobljena). V drugem delu raziskave smo na vsaki vzorčeni rastlini izbrali najmlajši že povsem razvit list in na njem s kromometrom kvantitativno določili barvo vršnega lističa in lističa levo in desno od njega ter izračunali povprečje vseh treh meritev. Čeprav so nekatere rastline pripadale isti hibridni kombinaciji, so se njihovi listi med seboj razlikovali tudi po več kot eni lastnosti.
Keywords:
Sambucus spp.
,
bezeg
,
medvrstni križanci
,
list
,
morfologija
Place of publishing:
Maribor
Year of publishing:
2019
PID:
20.500.12556/DKUM-72996
NUK URN:
URN:SI:UM:DK:Z9KHTKEW
Publication date in DKUM:
25.01.2019
Views:
1668
Downloads:
95
Metadata:
Categories:
FKBV
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WEISS BOLTAR, Metka, 2019,
Morfološke značilnosti listov medvrstnih križancev bezga
[online]. Bachelor’s thesis. Maribor. [Accessed 26 April 2025]. Retrieved from: https://dk.um.si/IzpisGradiva.php?lang=eng&id=72996
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Licences
License:
CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:
http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:
The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:
15.01.2019
Secondary language
Language:
English
Title:
Leaf characteristics of elderberry hybrids
Abstract:
Elderberries belong to the genus Sambucus which includes several plant species with numerous equal or similar, as well as different characteristics. We studied 157 genetically different plants originating from 44 different interspecific hybrid combinations which are being preserved at the genebank of the Botanical Garden of the University of Maribor. Based on various measurements, countings and comparisons, we described some of the crucial morphological leaf characteristics. On each studied plant we selected the most typical, fully developed leaf and measured the lenght of the whole leaf, the lenght of leaf petiole, the lenght and width of the terminal leaflet and the distance between the terminal leaflet's base and the line indicating the maximum width. We also counted the total number of leaflets, the number of entire (not divided) leaflets, the number of second degree leaflets (if they existed) and evenutal stipules. Among qualitative traits, we described the leaf margin, base and tip. The most frequently present were serrate margins, acuminate tip and acute or obtuse base. In the second part of investigation, we picked the youngest but fully developed leaf and on three uppermost leaflets, we quantified the colour using a chromameter. The final value represented an average of three values (three leaflets). Although some plants originated from the same hybrid combination, their leaves, due to predominant heterozygosity of parental material differed in more than one trait.
Keywords:
Sambucus spp.
,
elderberry
,
interspecific hybrids
,
leaf
,
morphology
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