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| Description
| - The phenotypic effect of increased cell size in polyploid angiosperms has been repeatedly described; the ecological consequences of the gigas effect are, however, relatively poorly understood. Here, we investigated the effect of cytotype, seed weight, and inter-population variation on seedling germination and growth in diploid and autotetraploid Vicia cracca L. in a common garden experiment. Seeds used in this study originated in the contact zone of the cytotypes in Central Europe. Tetraploids had heavier seeds than diploids and greater germination rates irrespective of seed size. Both seed weight and germination rate displayed high inter-population variation. Further, tetraploids seem to germinate earlier and deposit fewer reserves into the seed bank than diploids. Mean above-ground biomass and seedling height were similar in the two cytotypes of V. cracca. Nonetheless, the tallest tetraploid seedlings were taller than the tallest diploid seedlings, which may be advantageous under strong competition in dense vegetation. This study thus demonstrates that tetraploids of V. cracca may have superior competitive ability to diploids in certain habitats. It also suggests the necessity of studying multiple populations per cytotype when comparing diploids and polyploids, as the effect of population may be of similar or even higher magnitude than the effect of cytotype. (C) 2014 The Linnean Society of London,
- The phenotypic effect of increased cell size in polyploid angiosperms has been repeatedly described; the ecological consequences of the gigas effect are, however, relatively poorly understood. Here, we investigated the effect of cytotype, seed weight, and inter-population variation on seedling germination and growth in diploid and autotetraploid Vicia cracca L. in a common garden experiment. Seeds used in this study originated in the contact zone of the cytotypes in Central Europe. Tetraploids had heavier seeds than diploids and greater germination rates irrespective of seed size. Both seed weight and germination rate displayed high inter-population variation. Further, tetraploids seem to germinate earlier and deposit fewer reserves into the seed bank than diploids. Mean above-ground biomass and seedling height were similar in the two cytotypes of V. cracca. Nonetheless, the tallest tetraploid seedlings were taller than the tallest diploid seedlings, which may be advantageous under strong competition in dense vegetation. This study thus demonstrates that tetraploids of V. cracca may have superior competitive ability to diploids in certain habitats. It also suggests the necessity of studying multiple populations per cytotype when comparing diploids and polyploids, as the effect of population may be of similar or even higher magnitude than the effect of cytotype. (C) 2014 The Linnean Society of London, (en)
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| Title
| - Higher seed size and germination rate may favour autotetraploids of Vicia cracca L. (Fabaceae)
- Higher seed size and germination rate may favour autotetraploids of Vicia cracca L. (Fabaceae) (en)
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| skos:prefLabel
| - Higher seed size and germination rate may favour autotetraploids of Vicia cracca L. (Fabaceae)
- Higher seed size and germination rate may favour autotetraploids of Vicia cracca L. (Fabaceae) (en)
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| skos:notation
| - RIV/00216208:11310/14:10287152!RIV15-MSM-11310___
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/00216208:11310/14:10287152
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - germination; seed size; autotetraploid; Vicia (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
| - GB - Spojené království Velké Británie a Severního Irska
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| - Biological Journal of the Linnean Society
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
| - Münzbergová, Zuzana
- Eliášová, Anežka
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| http://linked.open...ain/vavai/riv/wos
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| issn
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| number of pages
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| http://bibframe.org/vocab/doi
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| http://localhost/t...ganizacniJednotka
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