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Nanda-Hamner experiment (Drosophilidae)
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Description
Experimental protocol to test for circadian rhythmicity in photoperiodic responses by exposing insects to constant day length (12h) with varying night lengths to create non-24h photoperiods, then measuring diapause induction rates.
Typical Equipment
- temperature-controlled chambers
- white fluorescent lamps
- light microscope
Output Measurements
- female diapause proportions
- photoperiodic response curves