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Results

97 results (1,069s)

Result

Cytotype coexistence in the field cannot be explained by inter-cytotype hybridization alone: linking experiments and computer simulations in the sexual species Pilosella echioides (Asteraceae)

The study combines results of experimental crossing among cytotypes of Pilosella echioides and in silico simulation of dynamics of virtually panmictic population. Based on comparison of multi-parametric model with the field observat...

Biology (theoretical, mathematical, thermal, cryobiology, biological rhythm), Evolutionary biology

  • 2017
  • Jimp
  • Link
Result

Patterns of genetic variation in Pilosella echioides and its selected relatives: results of variation in ploidy level, facultative apomixis and past and present hybridization

We used allozymes to elucidate the genetic variation of Pilosella echioides in diploid populations of P. echioides. Nonetheless, 73 % of populations of tetraploid P being 5.75 in P. echioides and 2.64 in P. rothian...

EF - Botanika

  • 2014
  • Jx
  • Link
Result

Cytotype coexistence in the field cannot be explained by inter-cytotype hybridization alone: linking experiments and computer simulations in the sexual species Pilosella echioides (Asteraceae)

The study combines results of experimental crossing among cytotypes of Pilosella echioides and in silico simulation of dynamics of virtually panmictic population. Based on comparison of multi-parametric model with the field observat...

Plant sciences, botany

  • 2017
  • Jimp
  • Link
Result

Bridging global and microregional scales: ploidy distribution in Pilosella echioides (Asteraceae) in central Europe

Five ploidy levels were found (2x, 3x, 4x, 5x and 6x) at dominantly ploidy-uniform populations. Even though, almost one quarter of populations harboured 2-5 cytotypes. Quite surprisingly, 3x cytotype prevailed in some mixed-ploidy populations, which ...

EF - Botanika

  • 2011
  • Jx
  • Link
Result

Chromosome numbers and breeding systems in some species of Hieracium subgen. Pilosella from Central Europe.

Chromosome numbers are given for 17 taxa of Hieracium subgen. Pilosella originating from Central Europe: Hieracium apatelium, H. aurantiacum, H. bauhini, H. brachiatum, H. densiflorum, H. echioides, H. floribundum, H. glomeratum, H....

EF - Botanika

  • 2002
  • Jx
Result

Chromosome numbers and breeding systems of some European species of Hieracium subgen. Pilosella

subgen. Pilosella: H. arvicola, H. aurantiacum, H. bauhini, H. bifurcum, H. brachiatum, H. caespitosum, H. cymosum, H. densiflorum, H. echioides, H. fallacinum, H. onegense, H. pilosella, H. piloselliflorum, H. pilosellinu...

EF - Botanika

  • 2005
  • Jx
Result

Reduced and unreduced gametes combine almost freely in a multiploidy system

experiment on Pilosella echioides.

EF - Botanika

  • 2016
  • Jx
  • Link
Result

Populations of Pilosella species in ruderal habitats in the city of Prague: consequences of the spread of P. aurantiaca and P. rothiana

Consequences of Pilosella aurantiaca and P. rothiana (stabilized hybridogenous species P. echioides > P. officinarum) spreading into three semi-ruderal localities. rothiana are apomictic and tetraploid with 2n =4x = 36. Pilosell...

Plant sciences, botany

  • 2020
  • Jimp
  • Link
Result

MICROSATELLITE MARKERS FOR THE PILOSELLA ALPICOLA GROUP (HIERACIINAE, ASTERACEAE) AND THEIR CROSS-AMPLIFICATION IN OTHER HIERACIINAE GENERA

Premise of the study: Microsatellite markers were developed for the Pilosella alpicola group (Asteraceae), comprising four closely related species distributed in subalpine areas of Europe. These species are believed to have diverged recently...

EF - Botanika

  • 2015
  • Jx
  • Link
Result

Pilosella.

Original scientific paper dealing with Pilosella.

EF - Botanika

  • 1998
  • C
  • 1 - 10 out of 97