About: Population based approaches in the study of Pilosella Hill (Asteraceae): A new view of its taxonomy?     Goto   Sponge   NotDistinct   Permalink

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Description
  • We present a structure of the Pilosella populations occurring in the Krkonose Mts., northern Czech Republic. Each basic species, hybridogenous species and recent hybrid is documented by its frequency, cytotypes, breeding system, and chloroplast haplotypes. We compare this structure with the situation in another mountain range, the Sumava Mts. in the south western Czech Republic. Both regions have the same structure of hybridising species, but the resulting population are different. We deduce that random phenomena in the past and the residual sexuality of apomictic species has influenced the present population composition. Our results are discussed in connection with existing approaches to the taxomy of Pilosella.
  • We present a structure of the Pilosella populations occurring in the Krkonose Mts., northern Czech Republic. Each basic species, hybridogenous species and recent hybrid is documented by its frequency, cytotypes, breeding system, and chloroplast haplotypes. We compare this structure with the situation in another mountain range, the Sumava Mts. in the south western Czech Republic. Both regions have the same structure of hybridising species, but the resulting population are different. We deduce that random phenomena in the past and the residual sexuality of apomictic species has influenced the present population composition. Our results are discussed in connection with existing approaches to the taxomy of Pilosella. (en)
  • V práci je prezentována struktura agamického koplexu rodu Pilosella v Krkonoších. Každý základní a hybridogenní druh i recentní hybrid je charakterizován frekvencí v přírodě, rozmnožovacím systémem, cytotypy, a chloroplastovými haplotypy. Zjištěnou strukturu jsme srovnali se strukturou komplexu v jiném pohoří, na Šumavě. Obě pohoří mají stejnou strukturu základních hybridizujících druhů, ale výsledná populace je rozdílná. Vyvozujeme z toho, že náhodné faktory v minulosti a residuální sexualita ovlivnily výslednou strukturu. Výsledky jsou diskutovány ve vztahu k existujícím přístupům k taxonomii rodu Pilosella. (cs)
Title
  • Population based approaches in the study of Pilosella Hill (Asteraceae): A new view of its taxonomy?
  • Populační přístup při studiu rodu Pilosella (Asteraceae): nový přístup k taxonomii této skupiny? (cs)
  • Population based approaches in the study of Pilosella Hill (Asteraceae): A new view of its taxonomy? (en)
skos:prefLabel
  • Population based approaches in the study of Pilosella Hill (Asteraceae): A new view of its taxonomy?
  • Populační přístup při studiu rodu Pilosella (Asteraceae): nový přístup k taxonomii této skupiny? (cs)
  • Population based approaches in the study of Pilosella Hill (Asteraceae): A new view of its taxonomy? (en)
skos:notation
  • RIV/67985939:_____/06:00089468!RIV08-AV0-67985939
http://linked.open.../vavai/riv/strany
  • 15;25
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(IAA6005203), P(IAA6005803), Z(AV0Z60050516)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 492959
http://linked.open...ai/riv/idVysledku
  • RIV/67985939:_____/06:00089468
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • breeding systems; cytotypes; chloroplast haplotypes (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [407A01CA6FF7]
http://linked.open...v/mistoKonaniAkce
  • Leicester
http://linked.open...i/riv/mistoVydani
  • London
http://linked.open...i/riv/nazevZdroje
  • Current taxonomic research on the British & European Flora
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Krahulec, František
  • Krahulcová, Anna
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
http://purl.org/ne...btex#hasPublisher
  • Botanical Society of the British Isles
https://schema.org/isbn
  • 0-901158-37-2
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