Authors: Lysák Martin A Rostková Alexandra Dixon Jean M Rossi Graziano Doležel Jaroslav
Publish Date: 2000/08/01
Volume: 86, Issue: 2, Pages: 399-403
Abstract
The extent and significance of intraspecific genome size variation in plants continues to be a matter of discussion in some species considerable variation has been described while no variation has been detected in other taxa In the present study intraspecific genome size variation was analysed in a perennial grass Sesleria albicans Kit ex Schult Poaceae Flow cytometry was used for the analysis of nuclear DNA content in ten geographically isolated populations of S albicans Despite longterm isolation and lack of geneflow between the populations only negligible interpopulation differences were found Although the differences between the populations were statistically significant the maximum interpopulation difference reached only 16 of the mean 2C value 978 ± 004 pg The variation was not correlated with geographical location or with altitude of the populations analysed The present study clearly demonstrates that S albicans belongs to the plant taxa with a highly stable genome size Copyright 2000 Annals of Botany Company
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