Book of Abstracts (PDF) - International Mycological Association

IMC7 Main Congress Theme I: BIODIVERSITY AND CONSERVATION Posters
net of 1 km 2 squares. One square was considered as one
locality. For each species the type of habitat, time of
fruiting and distribution are given. The studies were
intensely carried out from 1986 till 1994 and sporadicly
until now and yielded the collection of over 450 species.
Among them 6 species were new for Poland (Hypholoma
capitatum, Phlebia cremeoochracea, Phlebiella
allantospora, Inocybe cryptocystis, Marasmiellus tremule,
Pluteus pouzarianus) as well many others rare in Poland
and in Europe. In Kielce 65 species were listed in the red
list for Poland (Wojewoda, Lawrynowicz 1992), for
example: Albatrellus confluens, Artomyces pyxidatus,
Boletus queletii, Dacrymyces ovisporus, Ganoderma
carnosum, Geastrum minimum, G. quadrifidum, Gleoporus
taxicola, Hydropus marginellus, Hygrophorus glyocyclus,
Phellinus hartigii, Pleurotus calyptratus, Ramaria flava,
Stropharia albonitens, Tulostoma brumale, Volvariella
pusilla and 4 species are protected by law: Langermannia
gigantea, Meripilus giganteus, Phallus impudicus and
Sparassis crispa. Existing enormous biodiversity of fungi
within town area is in my consideration a uniqe
phenomenon.
542 - Diversity of microfungi from soil and debris at
termite mounds in Thailand
L. Manoch * , T. Dethoup & J. Kokaew
Department of Plant Pathology, Faculty of Agriculture,
Kasetsart University, Bangkok, 10900, Thailand. - E-mail:
agrlkm@ku.ac.th
Termitomyces species, a delicious mushroom, are found in
the tropics. However, cultivation of this mushroom has not
been successful for many reasons. Most species of
microfungi found in termite fungus gardens belong to
Xylaria and Trichoderma. These fungi may play an
important role in stimulating the occurrence of
Termitomyces. It is thus important to study microfungi
from soil and debris at termite mounds, because some of
these fungi can produce novel active compounds. For the
present study, soil samples and debris from termite mounds
were used to isolate microfungi. Samples were collected
from various locations in Thailand. The following methods
were used for isolation: alcohol and heat treatment, soil
plate and dilution plate. Identification was based on macro-
and microscopic characters when cultured on different
media after observation under light - and SEM microscopes
and making camera lucida drawings. Microfungi found in
this study included Ascodesmis, Aspergillus clavatus,
Bartalinia, Beltrania querna, Beltraniella humicola, B.
odinae, Beltraniopsis esenbeckiae, Bionectria,
Chaetomium, Eupenicillium parvum, Eupenicillium spp.,
Eurotium spp., Fusarium, Gilmaniella humicola, Hamigera
avellanea, Humicola fuscoatra, H. grisea, Mammaria,
Neocosmospora, Neosartorya spp., Nigrospora oryzae,
Nodulisporium, Paecilomyces spp., Pestalotiopsis, Phoma,
Rhizoctonia, Scytalidium, Talaromyces spp., Trichoderma
hamatum, T. harzianum, T. koningii, T virens, T. viride and
Xylaria.
543 - Structural characteristics of naturally occurring
ericoid mycorrhizas on five host species from Eastern
Canada
H.B. Massicotte 1 , L.H. Melville 2 & R.L. Peterson 2*
1 University of Northern British Columbia, College of
Science and Management, 3333 University Way, Prince
George, B.C. V2N 4Z9, Canada. - 2 University of Guelph,
Department of Botany, Guelph, Ontario N1G 2W1,
Canada. - E-mail: lpeterso@uoguelph.ca
In spite of numerous published studies, many questions
remain as to the detailed cellular interactions between the
symbionts in ericoid mycorrhizas, especially in hosts
growing in natural habitats. Plant species with ericoid
mycorrhizas produce many fine roots (termed hair roots)
that become colonized by few fungal species. This
colonization is restricted to the enlarged epidermal cells of
hair roots. A combination of light microscopy (including
differential interference contrast) and laser scanning
confocal microscopy was used to document the
colonization patterns of epidermal cells and to detail the
hyphal complexes of five native ericaceous hosts
originating from Ontario and Quebec: Vaccinium
oxycoccus L. (bog cranberry), Ledum groenlandicum
Oeder. (Labrador tea), Vaccinium myrtilloides Michx.,
(velvet-leaf blueberry), Kalmia angustifolia L. (sheep
laurel), Gaultheria procumbens L. (wintergreen). There
was considerable diversity in colonization patterns among
hosts, in the morphology of hyphal complexes, and in the
nature of thick-walled epidermal cells. Of particular
interest was the frequency of hyphal connections between
adjacent epidermal cells, indicating that there is not always
one entry point for each colonized epidermal cell. Further
observations of other species in the large family Ericaceae
will help to determine the full range in structural details of
ericoid mycorrhizas.
544 - Tatra Mts as the area for mycological
investigations - presentation of a new project
A. Miskiewicz
W. Szafer Institute of Botany, Polish Academy of Sciences,
Lubicz 46, PL-31-512 Krakow, Poland. - E-mail:
aniamis@ib-pan.krakow.pl
Tatra Mts., the highest part of Carpathian range, are
localized at Polish/Slovak border. Although mountains are
not very high (Gerlach, 2655 m asl), all vegetation belts are
well developed in this area, including subalpine and alpine
zones. Tatra Mts. offer then all kinds of mountain habitats
and represent excellent model region for complex studies
on mountain fungi in the Carpathians. Very little is known
about fungi from this massif. Several papers were
published (e. g. Kubicka 1963, Frejlak 1973, Fellner,
Landa 1993), but, in total only ca. 550 and ca. 900 species
were reported from respectively Polish (Wojewoda 1996)
and Slovak (Kuthan et al. 1999) part of the massif, and
Book of Abstracts 165