Colonization of beech leaves by two endophytic fungi in northern Japan

Summary Leaves of Japanese beech (Fagus crenata) were collected monthly during the vegetation period at five sites in the Tohoku district in Japan to isolate endophytic fungi. Leaves were also collected only once at two additional sites. Two endophytic fungi were dominant, a Discula species and a st...

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Bibliographic Details
Published in:Forest pathology = Journal de pathologie forestière = Zeitschrift für Forstpathologie 2000-04, Vol.30 (2), p.77-86
Main Authors: Sahashi, N., Miyasawa, Y., Kubono, T., Ito, S.
Format: Article
Language:English
Subjects:
Discula
Fagus crenata
Japan
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Summary:Summary Leaves of Japanese beech (Fagus crenata) were collected monthly during the vegetation period at five sites in the Tohoku district in Japan to isolate endophytic fungi. Leaves were also collected only once at two additional sites. Two endophytic fungi were dominant, a Discula species and a sterile mycelium. This result strongly suggests that these two fungi are generally associated with leaves of the Japanese beech at different sites. At most sites the isolation frequency of Discula sp. was greatest in June and gradually decreased from July to October whereas the isolation frequency of the sterile mycelium increased during the vegetation period and remained at a high isolation frequency in October. Spores of Discula sp. were released for a very short time in late May, just after the disappearance of the snow cover on the forest floor. These spores may be important for the infection of newly sprouting leaves.
ISSN:1437-4781
1439-0329
DOI:10.1046/j.1439-0329.2000.00191.x