About: Russian wheat aphid, Diuraphis noxia in the Czech Republic – cause of the significant population decrease

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About: Russian wheat aphid, Diuraphis noxia in the Czech Republic – cause of the significant population decrease Goto Sponge NotDistinct Permalink

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Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://onlinelibrary.wiley.com/doi/10.1111/jen.12068/pdf
Description	Diuraphis noxia is a newly established alien pest in the Czech Republic. There were two population explosions during the period 1993-2012. A successful overwintering of the anholocyclic populations of D. noxia was the cause of a population explosion in the oncoming growth season. Viviparous parthenogenetic females of the anholocyclic populations and diapausing eggs of holocyclic populations could overwinter at the same time. Analysis of the course of winter temperatures showed that a complete winter mortality of anholocyclic populations depended mainly on the duration of the freezing period, when temperature dropped below -5°C, and on the intensity of the frost. We proposed the cumulative effective freeze (in minus degree days) as a key parameter for the aphid anholocyclic population's mortality during overwintering. This parameter equaled -10.1 degree days for relatively warm winter period 2006-2007, whereas in the relatively cold winter period of 2009-2010, this parameter reached -87.1 DD, which caused complete mortality of anholocyclic populations. A cumulative effective freeze could be used for short-time prognosis of D. noxia population explosion. Diuraphis noxia is a newly established alien pest in the Czech Republic. There were two population explosions during the period 1993-2012. A successful overwintering of the anholocyclic populations of D. noxia was the cause of a population explosion in the oncoming growth season. Viviparous parthenogenetic females of the anholocyclic populations and diapausing eggs of holocyclic populations could overwinter at the same time. Analysis of the course of winter temperatures showed that a complete winter mortality of anholocyclic populations depended mainly on the duration of the freezing period, when temperature dropped below -5°C, and on the intensity of the frost. We proposed the cumulative effective freeze (in minus degree days) as a key parameter for the aphid anholocyclic population's mortality during overwintering. This parameter equaled -10.1 degree days for relatively warm winter period 2006-2007, whereas in the relatively cold winter period of 2009-2010, this parameter reached -87.1 DD, which caused complete mortality of anholocyclic populations. A cumulative effective freeze could be used for short-time prognosis of D. noxia population explosion. (en)
Title	Russian wheat aphid, Diuraphis noxia in the Czech Republic – cause of the significant population decrease Russian wheat aphid, Diuraphis noxia in the Czech Republic – cause of the significant population decrease (en)
skos:prefLabel	Russian wheat aphid, Diuraphis noxia in the Czech Republic – cause of the significant population decrease Russian wheat aphid, Diuraphis noxia in the Czech Republic – cause of the significant population decrease (en)
skos:notation	RIV/60077344:_____/14:00398277!RIV15-GA0-60077344
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GA522/09/1940)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Starý, Petr Havelka, Jan Žurovcová, Martina
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	Biologické centrum AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	43606
http://linked.open...ai/riv/idVysledku	RIV/60077344:_____/14:00398277
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	alien aphid species; anholocyclic populations; aphids overwintering mortality (en)
http://linked.open.../riv/klicoveSlovo	alien aphid species anholocyclic populations aphids overwintering mortality
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[38C51F7A8588]
http://linked.open...i/riv/nazevZdroje	Journal of Applied Entomology
http://linked.open...in/vavai/riv/obor	EH
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Population genetics and environmental interactions of Russian wheat aphid Diuraphis noxia, an alien invasive pest of cereals in the Czech republic
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	138
http://linked.open...iv/tvurceVysledku	Havelka, Jan Starý, Petr Žurovcová, Martina Rychlý, S.
http://linked.open...ain/vavai/riv/wos	000334331400005
issn	0931-2048
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1111/jen.12068

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