sdu faculty of forestry journal special edition 2009 - Orman Fakültesi
sdu faculty of forestry journal special edition 2009 - Orman Fakültesi
sdu faculty of forestry journal special edition 2009 - Orman Fakültesi
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SDÜ Faculty <strong>of</strong> Forestry Journal<br />
is 825 m, and the centre <strong>of</strong> distribution <strong>of</strong> P. pini is around 700 m or below<br />
(Tomšovský, 2002). Kotlaba (1984) confirms the distribution <strong>of</strong> P. pini between<br />
155-780 m in elevation in the former Czechoslovakia. Jahn (1963) points out the<br />
occurrence <strong>of</strong> P. chrysoloma (under the name <strong>of</strong> Phellinus pini var. abietis) not<br />
only on Picea, but also on Abies and Larix. These host species are also cited by<br />
more recent publications (Kotlaba, 1984; Černý, 1989; Ryvarden and Gilbertson,<br />
1994), but we did not obtain a specimen from Abies. Our results confirm that fungi<br />
on Larix may belong to either P. laricis or P. pini. The native status <strong>of</strong> the host<br />
trees, correlated with elevation, is crucial for occurrence <strong>of</strong> the respective species.<br />
Collections <strong>of</strong> P. pini from Larix have been mentioned previously by Černý<br />
(1985, 1989) and Kotlaba (1984), while Ryvarden and Gilbertson (1994) reported<br />
Pinus as the only host genus <strong>of</strong> this fungus. Therefore, the host spectrum <strong>of</strong> P. pini<br />
might extend to non-indigenous conifers.<br />
The complex phylogeographical structure <strong>of</strong> Euroasian Porodaedalea deserves<br />
to be studied in detail. Questions about the histories <strong>of</strong> local populations are posed<br />
by the occurrence <strong>of</strong> a common nucleotide substitution among geographically<br />
distant specimens from Scandinavia, the Czech Republic, and Kazakhstan (i.e., the<br />
"P. laricis B" group). Historical changes in host distributions probably led to geneflow<br />
and introgression <strong>of</strong> new genotypes that may have survived in local areas.<br />
5. ACKNOWLEDGEMENTS<br />
This work was supported by the Czech Science Foundation, project no.<br />
521/07/J039.<br />
6. REFERENCES<br />
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Černý, A., 1985. Taxonomic study in the Phellinus pini group. Česká mykologie 39: 71-84<br />
Černý, A., 1989. Parazitické dřevokazné houby [Parasitic wood-decaying fungi]. Státní zemědělské<br />
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