Results 181 to 190 of about 8,839 (212)
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Entomologia Experimentalis et Applicata, 1983
Low temperature was shown to be the major factor regulating diapause development of the cabbage root fly. Diapausing pupae had to be subjected to temperatures of from 0°—6° for 22 weeks for all individuals in the population to complete diapause development. Once this was complete, pupae required a further 14 days at 20° for most of the flies to emerge.
ROSEMARY H. COLLIER, S. FINCH
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Low temperature was shown to be the major factor regulating diapause development of the cabbage root fly. Diapausing pupae had to be subjected to temperatures of from 0°—6° for 22 weeks for all individuals in the population to complete diapause development. Once this was complete, pupae required a further 14 days at 20° for most of the flies to emerge.
ROSEMARY H. COLLIER, S. FINCH
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Physiological Entomology, 2001
Abstract. The potential for medium‐time, low‐temperature storage was compared in diapausing larvae of two populations of Aphidoletes aphidimyza , a predatory midge used to control aphids in greenhouses .
Vladimír Košťál +2 more
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Abstract. The potential for medium‐time, low‐temperature storage was compared in diapausing larvae of two populations of Aphidoletes aphidimyza , a predatory midge used to control aphids in greenhouses .
Vladimír Košťál +2 more
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Biological Control, 2012
Abstract Short-day induced reproductive diapause makes supplementary lighting indispensable to the use of thrips predator Orius majusculus (Reuter) for biological control in greenhouses during the winter. In order to reduce energy costs, strains with a shorter critical day-length and the ability to avert diapause under low-intensity supplementary ...
Şerife Ünal Bahşi, İrfan Tunç
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Abstract Short-day induced reproductive diapause makes supplementary lighting indispensable to the use of thrips predator Orius majusculus (Reuter) for biological control in greenhouses during the winter. In order to reduce energy costs, strains with a shorter critical day-length and the ability to avert diapause under low-intensity supplementary ...
Şerife Ünal Bahşi, İrfan Tunç
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Marine Biology, 2016
Knowledge on the capability of zooplankton to adapt to the rapidly changing environmental conditions in the Arctic is crucial to predict future ecosystem processes. The key species on the Arctic shelf, the calanoid copepod Calanus glacialis, grows and accumulates lipid reserves in spring and summer in surface waters.
Daniela Freese +3 more
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Knowledge on the capability of zooplankton to adapt to the rapidly changing environmental conditions in the Arctic is crucial to predict future ecosystem processes. The key species on the Arctic shelf, the calanoid copepod Calanus glacialis, grows and accumulates lipid reserves in spring and summer in surface waters.
Daniela Freese +3 more
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Functional Ecology, 1988
Species of the Drosophila auraria complex entered reproductive diapause in autumn in response to short daylengths. Their diapause ended even at short daylengths without special stimuli. For D. auraria Peng, D. triauraria Bock & Wheeler and D. subauraria Kimura, duration of diapause was longer at a shorter daylength but such a relationship was not clear
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Species of the Drosophila auraria complex entered reproductive diapause in autumn in response to short daylengths. Their diapause ended even at short daylengths without special stimuli. For D. auraria Peng, D. triauraria Bock & Wheeler and D. subauraria Kimura, duration of diapause was longer at a shorter daylength but such a relationship was not clear
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Inheritance of diapause intensity in Diabrotica virgifera
Journal of Heredity, 1977J. L. KRYSAN, T. F. BRANSON
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Evolution; international journal of organic evolution, 2014
Cosmopolitan populations of Drosophila melanogaster have co-opted a form of reproductive diapause to overwinter in northern populations. Polymorphism in the couch potato gene has been implicated in genetic variation for this diapause trait. Using a collection of 20 populations from Florida to Canada and 11 collections from 3 years in a Pennsylvania ...
Rodrigo, Cogni +7 more
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Cosmopolitan populations of Drosophila melanogaster have co-opted a form of reproductive diapause to overwinter in northern populations. Polymorphism in the couch potato gene has been implicated in genetic variation for this diapause trait. Using a collection of 20 populations from Florida to Canada and 11 collections from 3 years in a Pennsylvania ...
Rodrigo, Cogni +7 more
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Annals of Applied Biology, 1973
SUMMARYWinter eggs of Panonychus ulmi from six orchards in Kent showed a range of 3 weeks in the dates of 50 % hatch at field temperatures. From the effects of the duration and temperature of chilling, and the temperature of incubation, it was concluded that samples varied in their chilling requirement, and not in threshold temperatures for development.
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SUMMARYWinter eggs of Panonychus ulmi from six orchards in Kent showed a range of 3 weeks in the dates of 50 % hatch at field temperatures. From the effects of the duration and temperature of chilling, and the temperature of incubation, it was concluded that samples varied in their chilling requirement, and not in threshold temperatures for development.
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Journal of Forest Research, 2019
ABSTRACTMonochamus alternatus Hope adults vector the pinewood nematode, which is the causal agent of pine wilt disease. Larvae of this cerambycid beetle enter diapause in the final instar.
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ABSTRACTMonochamus alternatus Hope adults vector the pinewood nematode, which is the causal agent of pine wilt disease. Larvae of this cerambycid beetle enter diapause in the final instar.
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Current treatment and future directions in the management of anal cancer
Ca-A Cancer Journal for Clinicians, 2022Leila T Tchelebi +2 more
exaly