Chromosome studies on mosses from Austria, Czechoslovakia and other parts of Central Europe

Bryan, Virginia S.

doi:10.1007/bf01373972

Cited by 8 publications

(1 citation statement)

References 63 publications

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“…The material was collected at various localities in Austria, from where notoriously little cytological information on bryophytes is available in the literature (Bryan, 1973) and none on Sphagnum. Also, in the past little attention has been paid by taxonomists in Austria to Sphagnum (Breidler, 1892;Krisai, 1977, in press;Ricek, 1972;Zechmeister, 1994a, b).…”

Section: Introductionmentioning

confidence: 99%

Genome Size in Sphagnum (Peat Moss)

1998

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Genome size was determined in thirty Austrian species of Sphagnum. using Feulgen absorbance photometry conducted on a video-based image analysis system (ClRES), and for comparison on a scanning cytophotometer (Leitz MPV II) with strongly correlated results. Pisum sativum (1C = 4.42 pg DNA) was used for internal standardization. Between species. two levels of ploidy, haploid and diploid, could be unambiguously identified (although this identification remains, strictly speaking, hypothetical, as long as exact parallel chromosome counts are not available). Twenty-six haploid species yielded values from 0.392 pg to 0.506 pg DNA (1C), and four diploid species (induding two varieties of S. paJustre) from 0.814 pg to 0.952 pg. The average ratio between levels was 1 : 2.049. Variation between species within sections was lower than between sections. In some cases significant differences between accessions of one species were found. The genome size of Sphagnum paJustre presented here strongly deviates from one estimate of this species in the literature.

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Section: Introductionmentioning

confidence: 99%