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Fitness consequences of altering floral circadian oscillations forNicotiana attenuata
How changing daily flower rhythms affects the growth and survival of Nicotiana attenuata
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Abstract
Circadian rhythms in Nicotiana attenuata flowers are responsible for altered seed set from outcrossed pollen.
- Flower opening, scent emission, and movement are synchronized with pollinator activity, particularly nocturnal hawkmoths.
- The position of flowers significantly affects the success of pollination by hawkmoths.
- Phase-shifted flowers with silenced circadian clock genes showed changes in pollination success.
- The circadian clock regulates floral rhythms, which may influence a plant's reproductive success.
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