About: Overwintering temperatures affect freezing temperatures of turions of aquatic plants

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	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 able to 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. 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 able to 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. (en)
Title	Overwintering temperatures affect freezing temperatures of turions of aquatic plants Overwintering temperatures affect freezing temperatures of turions of aquatic plants (en)
skos:prefLabel	Overwintering temperatures affect freezing temperatures of turions of aquatic plants Overwintering temperatures affect freezing temperatures of turions of aquatic plants (en)
skos:notation	RIV/67985939:_____/13:00422596!RIV14-AV0-67985939
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...iv/cisloPeriodika	8-9
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Kučerová, Andrea Adamec, Lubomír
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Botanický ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	95045
http://linked.open...ai/riv/idVysledku	RIV/67985939:_____/13:00422596
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	mini thermocouples; frost resistance; hardening (en)
http://linked.open.../riv/klicoveSlovo	mini thermocouples frost resistance hardening
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[8FCCCD834354]
http://linked.open...i/riv/nazevZdroje	Flora
http://linked.open...in/vavai/riv/obor	EF
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	208
http://linked.open...iv/tvurceVysledku	Adamec, Lubomír Kučerová, Andrea
http://linked.open...ain/vavai/riv/wos	000325905600003
issn	0367-2530
number of pages	5 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.flora.2013.07.009

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