<Emphasis Type="Italic">Erysiphe patagoniaca</Emphasis>: a new species of <Emphasis Type="Italic">Erysiphe </Emphasis>sect. <Emphasis Type="Italic">Uncinula </Emphasis>from Patagonia,Argentina |
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| Authors: | M Havrylenko S Takamatsu |
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| Institution: | (1) Centro Regional Universitario Bariloche, Universidad Nacional del Comahue, San Carlos de Bariloche, Argentina, AR;(2) Faculty of Bioresources, Mie University, 1515 Kamihama, Tsu, Mie 514-8507, Japan Tel. +81-59-231-9497; Fax +81-59-231-9637 e-mail: takamatu@bio.mie-u.ac.jp, JP |
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| Abstract: | A new species of Erysiphe sect. Uncinula is described and illustrated from Patagonia, Argentina. Erysiphe patagoniaca sp. nov., found on leaves of Nothofagus × antarctica, is similar to E. nothofagi and E. kenjiana, but differs in its appendages being twisted throughout their length and the number of appendages, asci, and ascospores.
The two endemic species of Erysiphe sect. Uncinula, E. magellanica and E. nothofagi, coexisted on the same leaves together with Erysiphe patagoniaca.
Received: September 19, 2002 / Accepted: November 28, 2002
Acknowledgments The authors are grateful to Ms. Seiko Niinomi for providing the micrographs of ascomata of Erysiphe spp. on Nothofagus.
Correspondence to:S. Takamatsu |
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| Keywords: | Erysiphaceae Erysiphe magellanica Erysiphe nothofagi Nothofagus Powdery mildew |
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