About: Effects of photoperiod and temperature on the development and diapause of the bark beetle Ips typographus

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About: Effects of photoperiod and temperature on the development and diapause of the bark beetle Ips typographus Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Diapause was induced in a Central European population of Ips typographus grown at 20 degrees C when the day length decreased below 16 h [50% diapause incidence occurred in the 14.7:9.3 h L:D (light:dark) regime]. The nondiapausing adults fed on days 2-6 and 10-14 after the ecdysis and swarmed after the second feeding bout with chorionated eggs in the ovaries and sperm in the spermiducts. Neither gonads nor the flight muscles matured and no swarming occurred in the diapausing adults. The development from egg to adult took about 34 days in both 18:6 h (no diapause) and 12:12 h L: D (diapause) regimes, but it was extended by up to 30% without diapause induction when only larvae or pupae were exposed to L: D 12:12 h. Diapause was induced in insects reared at L: D 12:12 h through the last larval and the pupal instars and/or in the adult stage. Temperature 23 degrees C prevented diapause induction at L:D 12:12 h but diapause occurred at L: D 14:10 h associated with 26:6 degrees C thermoperiod. The effect of Diapause was induced in a Central European population of Ips typographus grown at 20 degrees C when the day length decreased below 16 h [50% diapause incidence occurred in the 14.7:9.3 h L:D (light:dark) regime]. The nondiapausing adults fed on days 2-6 and 10-14 after the ecdysis and swarmed after the second feeding bout with chorionated eggs in the ovaries and sperm in the spermiducts. Neither gonads nor the flight muscles matured and no swarming occurred in the diapausing adults. The development from egg to adult took about 34 days in both 18:6 h (no diapause) and 12:12 h L: D (diapause) regimes, but it was extended by up to 30% without diapause induction when only larvae or pupae were exposed to L: D 12:12 h. Diapause was induced in insects reared at L: D 12:12 h through the last larval and the pupal instars and/or in the adult stage. Temperature 23 degrees C prevented diapause induction at L:D 12:12 h but diapause occurred at L: D 14:10 h associated with 26:6 degrees C thermoperiod. The effect of (en)
Title	Effects of photoperiod and temperature on the development and diapause of the bark beetle Ips typographus Effects of photoperiod and temperature on the development and diapause of the bark beetle Ips typographus (en)
skos:prefLabel	Effects of photoperiod and temperature on the development and diapause of the bark beetle Ips typographus Effects of photoperiod and temperature on the development and diapause of the bark beetle Ips typographus (en)
skos:notation	RIV/60076658:12310/07:00008840!RIV10-MSM-12310___
http://linked.open...avai/riv/aktivita	P V Z
http://linked.open...avai/riv/aktivity	P(GA522/05/0151), V, Z(AV0Z50070508)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Sehnal, František Doležal, Petr
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	Jihočeská univerzita v Českých Budějovicích / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	419287
http://linked.open...ai/riv/idVysledku	RIV/60076658:12310/07:00008840
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	colorado potato beetle; food conversion; insect development; juvenile hormone; photoperiod; reproductive diapause; COLORADO POTATO BEETLE; CHRYSOMELIDAE; COLEOPTERA; PHYSIOLOGY; SAY (en)
http://linked.open.../riv/klicoveSlovo	COLORADO POTATO BEETLE juvenile hormone PHYSIOLOGY SAY insect development reproductive diapause photoperiod CHRYSOMELIDAE COLEOPTERA colorado potato beetle food conversion
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[288AF67C89B8]
http://linked.open...i/riv/nazevZdroje	Journal of Applied Entomology
http://linked.open...in/vavai/riv/obor	ED
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Intervention with diapause - possible novel way to the control of some pests
http://linked.open...UplatneniVysledku	2007
http://linked.open...v/svazekPeriodika	131
http://linked.open...iv/tvurceVysledku	Doležal, Petr Sehnal, František
http://linked.open...n/vavai/riv/zamer	Study of the regulation of insect organism, dynamics of insect populations and function of insects in ecosystems
issn	0931-2048
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	12310
is http://linked.open...avai/riv/vysledek of	Effects of photoperiod and temperature on the development and diapause of the bark beetle Ips typographus Effects of photoperiod and temperature on the development and diapause of the bark beetle Ips typographus Effects of photoperiod and temperature on the development and diapause of the bark beetle Ips typographus

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