Overwintering temperatures affect freezing temperatures of turions of aquatic plants

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985939%3A_____%2F13%3A00422596" target="_blank" >RIV/67985939:_____/13:00422596 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1016/j.flora.2013.07.009" target="_blank" >http://dx.doi.org/10.1016/j.flora.2013.07.009</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.flora.2013.07.009" target="_blank" >10.1016/j.flora.2013.07.009</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Overwintering temperatures affect freezing temperatures of turions of aquatic plants

Popis výsledku v původním jazyce

The effect of different overwintering temperatures (2.5 1degrees C in a refrigerator or outdoor natural overwintering on wet topsoil with weak frosts) on the freezing temperature and survival rate of turions of 10 aquatic plant species with different ecological traits (free-floating habit or bottom rooting) was studied using mini thermocouples. Dormant, non-hardened turions of 9 species exhibited freezing within a narrow temperature range of -7.0 to -10.2 degrees C, while Hydrocharis froze at -3.6 degrees C. The mean freezing temperature of outdoor hardened turions of 6 species was within a very narrow range of -2.8 to -3.3 degrees C. The freezing temperatures indicate freezing of the extracellular water. The hardened turions of all 7 species were ableto survive mild winter frosts under the topsoil conditions at 76-100 % rate. Thus, the turions can be hardened by weak frosts and their frost hardiness is based on the shift from frost avoidance in non-hardened turions to frost tolerance

Název v anglickém jazyce

Overwintering temperatures affect freezing temperatures of turions of aquatic plants

Popis výsledku anglicky

The effect of different overwintering temperatures (2.5 1degrees C in a refrigerator or outdoor natural overwintering on wet topsoil with weak frosts) on the freezing temperature and survival rate of turions of 10 aquatic plant species with different ecological traits (free-floating habit or bottom rooting) was studied using mini thermocouples. Dormant, non-hardened turions of 9 species exhibited freezing within a narrow temperature range of -7.0 to -10.2 degrees C, while Hydrocharis froze at -3.6 degrees C. The mean freezing temperature of outdoor hardened turions of 6 species was within a very narrow range of -2.8 to -3.3 degrees C. The freezing temperatures indicate freezing of the extracellular water. The hardened turions of all 7 species were ableto survive mild winter frosts under the topsoil conditions at 76-100 % rate. Thus, the turions can be hardened by weak frosts and their frost hardiness is based on the shift from frost avoidance in non-hardened turions to frost tolerance

Druh

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

CEP obor

EF - Botanika

OECD FORD obor

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Projekt

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Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2013

Kód důvěrnosti údajů

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

Název periodika

Flora

ISSN

0367-2530

e-ISSN

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Svazek periodika

208

Číslo periodika v rámci svazku

8-9

Stát vydavatele periodika

DE - Spolková republika Německo

Počet stran výsledku

5

Strana od-do

497-501

Kód UT WoS článku

000325905600003

EID výsledku v databázi Scopus

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