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  • Assemblages of ophiostomatoid fungi vectored by Ips amitinus (Coleoptera: Scolytinae) on Norway spruce depend on colonization time, position on the host tree and development stage = Vektorski odnos ofiostomatoidnih gljiva i Ips amitinus (Coleoptera: Scolytinae) na smreci ovisno o vremenu naseljavanja, položaju na stablu i fazi razvoja
    Nève Repe, Andreja ; De Groot, Maarten, entomolog ; Jurc, Maja, 1954-
    The small spruce bark beetle Ips amitinus is predominantly found in the spruce forests in mountainous areas of Central Europe. Its most important host trees are Norway spruce (Picea abies) and Scots ... pine (Pinus sylvestris). Under favourable weather and trophic conditions, this bark beetle can become dangerous, particularly for younger trees and plantations. The climate changes that we face today can be favourable to the species, which had not been economically important in the past but is currently causing forest damage. Information about the ecological/biological characteristics of I. amitinus in the literature is rare, especially for bark beetle%fungi associations; though bark beetle (Coleoptera: Scolytinae) species are known to be associated with variety of fungi. We investigated the factors affecting the associations of ophiostomatoid fungi with I. amitinus on Norway spruce. Material for this study was collected in the year 2010 near Dravograd, in north Slovenia, where Norway spruce trees were felled during the winter windthrow. Four hundred and forty-two samples (bark beetles and infested samples from wood discs, from two trees at 0.5 m, 6 m and 15 meters above the stump) were taken for ophiostomatoid fungi investigation. Isolation yielded a total of 625 isolates. Ophiostomatoid fungi were the most numerously represented group. Identified fungal isolates belonged to ten species. The most commonly found fungal associate was Ophiostoma brunneo-ciliatum, followed by Grosmannia penicillata, Ophiostoma bicolor, Ceratocystiopsis minuta, Grosmannia piceiperda, Endoconidiophora polonica, Ophiostoma piceae, Ophiostoma fuscum, Grosmannia cucullata, Graphium fimbriisporum. The association with O. fuscum, G. cucullata and G. fimbriisporum have not been demonstrated previously. The differences in distribution of fungi over different beetle life stages (adults, larvae, pupae) and infested wood were investigated.
    Vir: Šumarski list. - ISSN 0373-1332 (Vol. 142, no. 3/4, 2018, str. 171-178)
    Vrsta gradiva - članek, sestavni del
    Leto - 2018
    Jezik - angleški
    COBISS.SI-ID - 5094310

    Povezava(-e):

    https://hrcak.srce.hr/index.php?show=clanak&id_clanak_jezik=293580
    Repozitorij Univerze v Ljubljani – RUL

vir: Šumarski list. - ISSN 0373-1332 (Vol. 142, no. 3/4, 2018, str. 171-178)
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