Artificial hybridization between Saxifraga cernua L. and S. sibirica L.

Artificial hybridization between Saxifraga cernua L. and S. sibirica L. ISSN 10674136, Russian Journal of Ecology, 2009, Vol. 40, No. 6, pp. 440–442. © Pleiades Publishing, Ltd., 2009. Original Russian Text © O.S. Dymshakova, 2009, published in Ekologiya, 2009, No. 6, pp. 465–467. SHORT COMMUNICATIONS Artificial Hybridization between Saxifraga cernua L. and S. sibirica L. O. S. Dymshakova Institute of Plant and Animal Ecology, Ural Division, Russian Academy of Sciences, ul. Vos’mogo Marta 202, Yekaterinburg, 620144 Russia; email: Received November 20, 2008 Key words: Saxifraga cernua, S. sibirica, artificial hybridization. DOI: 10.1134/S1067413609060101 Hybridization as a major factor providing for the for S. sibirica are 2n = 16, 18, 26, 28 (Kapralov, 2004; improvement of biological diversity is of considerable Funamoto et al.,1998). In Ural populations, 2n = 16 significance for plant evolution. Hybridization (diploid). increases genetic diversity and gives rise to new eco The ranges of these species overlap, forming a logical races, which is a prerequisite for speciation hybridization zone in the Middle Urals. In popula (Grant, 1984; Arnold, 1992; Lowe and Abbott, 2000; tions of this zone, plants with intermediate morpho Wolfe et al., 1998). Studies on species of hybrid origin logical characters were described, which had weakly and introgressive forms have been repeatedly per branching Russian Journal of Ecology Springer Journals

Artificial hybridization between Saxifraga cernua L. and S. sibirica L.

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SP MAIK Nauka/Interperiodica
Copyright © 2009 by Pleiades Publishing, Ltd.
Life Sciences; Environment, general; Ecology
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