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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of comparative physiology 105 (1976), S. 267-277 
    ISSN: 1432-1351
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The Dual System Theory of photoperiodic determination was found to be consistent with experimental data on diapause induction in response to skeleton photoperiods. Symmetrical and asymmetrical skeleton photoperiods of both diel and nondiel durations were investigated. The theoretical model was shown to predict accurately the incidence of diapause among larvae of the European corn borer,Ostrinia nubilalis, that had been reared under the different photoperiodic regimes.
    Type of Medium: Electronic Resource
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