BF, Forestry Library, Ljubljana (GIS)
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Glivne asociacije smrekovih podlubnikov (Curculionidae: Scolytinae) s poudarkom na ofiostomatoidnih glivah v Sloveniji : doktorska disertacija = Fungal associates of spruce bark beetles (Curculionidae: Scolytinae) with an emphasis on ophiostomatoid fungi : doctoral dissertationNève Repe, AndrejaOfiostomatoidne glive najpogosteje uvrščamo v družino Ophiostomataceae, deblo Ascomycota, in jih najpogosteje izoliramo iz podlubnikov ali njihovih rovnih sistemov v lesnatih rastlinah. Nekatere med ... njimi lahko skupaj s podlubniki povzročajo močnejše odmiranje navadne smreke (Picea abies). Cilj naloge je bil preučiti glivno združbo v povezavi s tremi smrekovimi podlubniki (Ips typographus, Ips amitinus in Pityogenes chalcographus) ter z inokulacijami v gostiteljsko drevo ugotoviti patogenost ofiostomatoidnih gliv in oceniti njihovo zmožnost povzročiti odmiranje gostiteljskih dreves. Podlubnike smo vzorčili v štirih fitogeografskih regijah Slovenije v letih 2008- 2010. Njihove asociacijske glive smo določili morfološko, določitve smo potrdili s primerjavami zaporedij DNA in nato opravili filogenetsko analizo najdenih taksonov. Odkrili smo 13 različnih taksonov. Najpogosteje smo našli vrste: Ophiostoma bicolor, Ophiostoma brunneo-ciliatum, Grosmannia piceiperda, Ophiostoma ainoae, Ceratocystiopsis minuta in Grosmannia penicillata. Vrstna sestava gliv se je med podlubniki razlikovala, ni pa se razlikovala v različnih fitogeografskih regijah. Leta 2010 smo med majem in oktobrom izvedli umetne inokulacije navadne smreke, in sicer odraslih dreves (na raziskovalni ploskvi Litija) in sadik (v zaprtih, nadzorovanih pogojih). Spremljali smo različne dejavnike: tok smole, velikosti nekroz ter obarvanost in osušenost beljave. Vrsta Ceratocystis polonica je povzročila obarvanje beljave, velike nekroze ter odmrtje nekaj odraslih dreves in sadik. Ugotovili smo fitopatogenost gliv C. polonica, Leptographium sp.-1 in O. ainoae, ki so povzročile obarvanje beljave sadik. V posamičnih inokulacijah je vrsta G. piceiperda povzročila velike nekroze in je imela višje vrednosti za vse raziskovane značilnosti. Ofiostomatoidne glive stimulirajo obrambne mehanizme gostiteljskih dreves. Posledično se drevesa izčrpavajo in slabijo, zato lahko vektorji ofiostomatoidnih gliv, podlubniki, lažje kolonizirajo drevesa.Type of material - dissertation ; adult, seriousPublication and manufacture - Ljubljana : [A. Repe], 2014Language - slovenianCOBISS.SI-ID - 821367
Link(s):
Repository of the University of Ljubljana – RUL
Digitalna knjižnica Slovenije - dLib.siDostop z namenskih računalnikov v prostorih NUK
Author
Nève Repe, Andreja
Other authors
Jurc, Maja
Topics
Picea abies |
navadna smreka |
ofiostomatoidne glive |
podlubniki |
inokulacije |
varstvo gozdov |
Picea abies |
Norway spruce trees |
ohiostomatoid fungi |
bark beetles |
inoculations |
forest protection
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Database name | Field | Year |
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Nève Repe, Andreja | 29427 |
Jurc, Maja | 02491 |
Source: Personal bibliographies
and: SICRIS
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