New Zealand Journal of Botany abstract
Erysiphaceous species from Nahuel Huapi National Park, Argentina. Part I
MARIA HAVRYLENKO
Centro Regional Universitario Bariloche
Universidad Nacional del Comahue, C.C. 1336
(8400) San Carlos de Bariloche
Prov. Río Negro, Argentina.
Abstract The vegetation of the Nahuel Huapi National Park is
characterised by typical Andean patagonic forests with a majority of
autochthonous trees like
Austrocedrus chilensis,
Nothofagus
antarctica,
N. dombeyi, and
N. pumilio . The natural flora is
mixed with numerous introduced species. There is a great diversity of parasitic
fungi. In this work the powdery mildews which infect both the autochthonous and
introduced hosts were studied. Collections were made in summer and autumn in
order to obtain the teleomorphic and the anamorphic stages. As a preliminary
result fourteen species can be reported:
Erysiphe aquilegiae,
E.
pisi,
E. ulmariae var
. acaenae,
Microsphaera
alphitoides,
M. baeumleri,
M. myoschili,
M.
oehrensii,
M. ovidiae,
M. ribicola,
Sphaerotheca
pannosa,
Phyllactinia antarctica,
Uncinula magellanica,
U.
nothofagi,
and
Oidium mutisiae.
Note: Abstract was published in the 6th International Congress of Plant
Pathology. July 28-August 6, 1993, Montreal (Québec), Canada.
Keywords Taxonomy; mycoflora; parasites; foliicolous fungi;
Ascomycotina; Erysiphales; Erysiphe; Microsphaeara;
Sphaerotheca; Phyllactinia; Uncinula; Oidium;
Argentina
New Zealand Journal of Botany, 1995, Vol. 33: 389-400
0028-825X/95/3303-0389 $2.50/0 (c) The Royal Society of New Zealand 1995
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