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Značilnosti kalitve sobivajočih vrst suhega travnika iz rodov Anthyillis, Gentiana in Plantago : diplomsko delo = Germination characteristics of coexisting congeners of Anthyillis, Gentiana and Plantago : graduation thesisŠipek, MirjanaV diplomskem delu so nas zanimale specifične razlike v kalitvi sorodnih vrst. Opazovali smo značilnosti kalitve desetih vrst suhega travnika. Prav tako smo v literaturi poiskali podatke, ki se ... nanašajo na čas cvetenja, opraševalce in raznašalce semen obravnavanih vrst. Kalili smo stara semena Anthyllis jacquinii, A. vulneraria, Centaurea rupestris, Coronilla vaginalis, Gentiana clusii, G. verna supsp. tergestina, Lotus corniculatus, Plantago holosteum, P. media in Rhinanthus minor, ki so bila nabrana na pašniku v Predmeji v Trnovskem gozdu. Semenom izbranih vrst smo določili povprečno maso in dolžino. Kalitev je potekala pod štirimi različnimi pogoji: kalitev skarificiranih semen, kalitev semen v temi in svetlobi ter kalitev semen v hladilniku. Naš cilj je bil poiskati razlike v kalitvi med vrstami istega rodu, če le-te sploh obstajajo. Vse obravnavane vrste, ki jih uvrščamo v družino metuljnic, so kalile najbolje v primeru, ko smo semena predhodno skarificirali. Delež kalivosti skarificiranih semen metuljnic je pri vseh vrstah znašal nad 50 %. Pokazale so se tudi določene razlike med kalitvijo semen A. vulneraria in A. jacquinii. Najopaznejša razlika je bila v hitrosti kalenja semen posamezne vrste. Semena P. holosteum so za razliko od metuljnic kalila v velikem deležu tudi tista, ki jih nismo skarificirali, ne glede na to ali so bila izpostavljena svetlobi ali temi. Kalila niso semena v hladilniku, dokler jih nismo prenesli v rastno komoro. Presenetljivo pa semena P. media niso kalila ne glede na pogoje kalenja. Vrsti iz rodu Gentiana tudi nista kalili, niti po predhodni hladni stratifikaciji. Prav tako niso kalila semena enoletnice R. minor. Po enomesečni hladni stratifikaciji in nadaljnji enomesečni izpostavitvi optimalnim rastnim razmeram v rastni komori so kalila semena nebinovke C. rupestris, vendar je bil delež semen, ki so kalila, zelo nizek. Vse zbrane podatke o obravnavanih vrstah smo nazadnje še statistično obdelali s klastersko metodo (K-mean clustering).Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Maribor : [M. Šipek], 2013Language - slovenianCOBISS.SI-ID - 19856904
Author
Šipek, Mirjana
Other authors
Šajna, Nina
Topics
Univerzitetna in visokošolska dela |
biologija |
rastlinske združbe |
kalitev |
semena |
dormanca |
diplomska dela
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M DIPL 57/59 ŠIPEK M. Značilnosti IN: 920130031 M DIPL 57/59 ŠIPEK M. Značilnosti IN: 920130031 |
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Year | Impact factor | Edition | Category | Classification | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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DRS, in which the journal is indexed
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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Šipek, Mirjana | 51052 |
Šajna, Nina | 24674 |
Source: Personal bibliographies
and: SICRIS
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