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BORATYNSKI A Outline of oak taxonomy and chorology
HAGER H Topics of oak decline research in Austria
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1990 OAK DECLINE ascocarps asne Pole Austria bark branches Butin caused Ceratocystis species climatic crown damage dead trees DECLINE IN EUROPE declining oaks declining trees defoliation Delatour Dendrology dieback discoloration drought dying ecosystem evaluated F ig factors ﬁrst forest stands fungal fungi fungus genus growing season growth health condition humidity Hungary hypoxylon canker identiﬁed infection inﬂuence inoculation Institute of Dendrology International Symposium investigated isolated Jastrowie Kobylin Kornik Kowalski Krotoszyn Plateau Liese MATERIAL AND METHODS mediterraneum mycelium necrosis necrotic necrotic stripes oak forests oak species oak stands oak trees oak wilt observed occurred pathogenicity peduncular oak pedunculate oak petraea Phytopathology plants Poland Polish Academy prolifera PRZYBYL quercina Quercus robur region reisolated root samples sapwood seedlings sessile oak shoot signiﬁcant Siwecki soils stem stenoceras Table throughfall tissue Turkey oak twigs vascular vessel elements vessels viridana viridiana vitality degree wound xylem