Zobrazeno 1 - 10
of 362
pro vyhledávání: '"R. Vasaitis"'
Autor:
Jan Stenlid, Astra Zaļuma, Tālis Gaitnieks, Indriķis Muižnieks, Jurģis Jansons, R. Vasaitis, Āris Jansons, Natālija Burņeviča
Publikováno v:
Canadian Journal of Forest Research. 49:969-977
This study investigated the origins and spread patterns of Heterobasidion root disease in three Pinus contorta Dougl. ex Loudon plantations established on forest and agricultural land and subjected to three different management scenarios. Trees with
Publikováno v:
Russian Journal of Biological Invasions. 9:245-252
The emergence of the ascomycete Fusarium circinatum Nirenberg & O’Donnell (teleomorph Gibberella circinata), the causal agent of pitch canker of pine in Europe, is an alarming signal to Russia. This review briefly summarizes the analyses of biology
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Publikováno v:
Forest Ecology and Management. 371:50-58
Tree stumps left after clear-cutting have replaced naturally formed logs as the most common type of coarse woody debris in managed boreal forests. It is therefore necessary to understand stump importance for the biodiversity of wood-inhabiting organi
Publikováno v:
Forest Pathology. 45:437-439
Summary Growth rates of H. annosum s.s. and H. parviporum were investigated in the functional sapwood of young Pinus sylvestris and Picea abies plants as an indicator of the relative susceptibilities of the hosts to these pathogens. The stems of 520
Publikováno v:
Forest Pathology. 43:462-467
Summary In eastern Ukraine, the first symptoms of dieback on common ash (Fraxinus excelsior) were observed in 2010, as sparse flushing of leaves, bark necrosis and wood discoloration of shoots. The aim of this study was to assess possible causal agen
Autor:
Duncan J. Morrison, Michelle Cleary, Iben Margrete Thomsen, Rona N. Sturrock, R. Vasaitis, Natalija Arhipova, Tālis Gaitnieks, Jan Stenlid
Publikováno v:
Forest Ecology and Management. 290:5-14
Heterobasidion annosum sensu lato (s.l.), Armillaria ostoyae, and Phellinus sulphurascens are economically important fungal pathogens in temperate forests of the northern hemisphere that cause decay, growth reduction and tree mortality of coniferous
Publikováno v:
Fungal Ecology. 5:147-153
The ascomycete fungus Hymenoscyphus pseudoalbidus (anamorph Chalara fraxinea ) is responsible for ash dieback currently expanding over large parts of Europe. Our objective was to investigate the genetic structure of H. pseudoalbidus and to examine it
Publikováno v:
Forest Pathology. 42:387-392
Summary Study aim was to investigate discoloration and associated fungi in 50- to 70-year-old stems of Betula pendula damaged by logging. Investigated wounds (on 70 stems) were inflicted 4–18 years previously, and all of them had discoloration with
Publikováno v:
Canadian Journal of Forest Research. 41:2337-2345
Root and butt rot is the most destructive disease of conifers in the Northern Hemisphere, but little is known about the dynamics of yield loss in stands of different ages, site types, and species composition. This study aimed to estimate butt rot inc