Současný stav hybridogenní populace Tragopogon porrifolius × T. pratensis u Roudnice nad Labem ve středních Čechách

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985939%3A_____%2F05%3A00025623" target="_blank" >RIV/67985939:_____/05:00025623 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Tragopogon porrifolius x T. pratensis: the present state of an old hybrid population in Central Bohemia, the Czech Republic

Popis výsledku v původním jazyce

The population of hybrid origin between Tragopogon porrifolius and T. pratensis (T. ×mirabilis), which occurs in SW part of the town of Roudnice na Labem, N part of Central Bohemia, was analysed with respect to its morphology, fertility, life history, ploidy level and DNA content. Both parental species show relatively narrow morphological variation; they are biennials (monocarpic perennials), diploids. T. pratensis is a native species in the Czech Republic, T. porrifolius was cultivated there in the past. The plants of the hybrid population are extremely morphologically variable, with variation ranges of some characters overlapping that of parental species (e.g., ligules are often longer than involucral bracts, peduncles are often lanate). Only diploids were found within the hybrid population; however, they have substantially lower DNA content than both parents (18% lower than T. pratensis, 42% lower than T. porrifolius). The plants of the Roudnice hybrid population are polycarpic p...

Název v anglickém jazyce

Tragopogon porrifolius x T. pratensis: the present state of an old hybrid population in Central Bohemia, the Czech Republic

Popis výsledku anglicky

The population of hybrid origin between Tragopogon porrifolius and T. pratensis (T. ×mirabilis), which occurs in SW part of the town of Roudnice na Labem, N part of Central Bohemia, was analysed with respect to its morphology, fertility, life history, ploidy level and DNA content. Both parental species show relatively narrow morphological variation; they are biennials (monocarpic perennials), diploids. T. pratensis is a native species in the Czech Republic, T. porrifolius was cultivated there in the past. The plants of the hybrid population are extremely morphologically variable, with variation ranges of some characters overlapping that of parental species (e.g., ligules are often longer than involucral bracts, peduncles are often lanate). Only diploids were found within the hybrid population; however, they have substantially lower DNA content than both parents (18% lower than T. pratensis, 42% lower than T. porrifolius). The plants of the Roudnice hybrid population are polycarpic p...

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

EF - Botanika

OECD FORD obor

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Projekt

<a href="/cs/project/GA206%2F02%2F0582" target="_blank" >GA206/02/0582: Evoluce v hybridogenní populaci rodu Tragopogon: liší se vývoj v Čechách a v USA?</a><br>

Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2005

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Preslia

ISSN

0032-7786

e-ISSN

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Svazek periodika

77

Číslo periodika v rámci svazku

-

Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

10

Strana od-do

297-306

Kód UT WoS článku

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EID výsledku v databázi Scopus

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