Mixed infections of grapevine leaf rusts Phakopsora meliosmae-myrianthae and P. montana in Japan

Mixed infections of grapevine leaves by the grapevine leaf rust fungi Phakopsora meliosmae-myrianthae and P. montana were assumed because of the frequent sympatric occurrences of the two species in Honshu, Japan. This assumption was proven by experimental basidiospore inoculations of Meliosma myrian...

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Bibliographic Details
Published in:Journal of general plant pathology : JGPP 2016-05, Vol.82 (3), p.149-153
Main Author: Ono, Yoshitaka
Format: Article
Language:English
Subjects:
Agriculture
Biomedical and Life Sciences
Fungal Diseases
Life Sciences
Microbiology
Plant diseases
Plant Pathology
Wineries & vineyards
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Summary:Mixed infections of grapevine leaves by the grapevine leaf rust fungi Phakopsora meliosmae-myrianthae and P. montana were assumed because of the frequent sympatric occurrences of the two species in Honshu, Japan. This assumption was proven by experimental basidiospore inoculations of Meliosma myriantha and M. tenuis. Basidiospores formed on telial clusters from one rusted grapevine leaf infected both M. myriantha and M. tenuis, resulting in spermogonium and aecium production on the inoculated leaves. However, the aeciospores formed on the two Meliosma species differed; those on M. myriantha were apically thick-walled, characteristic of P. meliosmae-myrianthae, and those on M. tenuis were evenly thin-walled, characteristic of P. montana.
ISSN:1345-2630
1610-739X
DOI:10.1007/s10327-016-0655-x