Opportunistic out-crossing in Nicotiana attenuata (Solanaceae), a predominantly 
self-fertilizing native tobacco

Sime, K.; Baldwin, I. T.

doi:10.1186/1472-6785-3-6

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Opportunistic out-crossing in Nicotiana attenuata (Solanaceae), a predominantly self-fertilizing native tobacco

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Sime, K.
Department of Molecular Ecology, MPI for Chemical Ecology, Max Planck Society;

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Baldwin, I. T.
Department of Molecular Ecology, MPI for Chemical Ecology, Max Planck Society;

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http://dx.doi.org/10.1186/1472-6785-3-6
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Sime, K., & Baldwin, I. T. (2003). Opportunistic out-crossing in Nicotiana attenuata (Solanaceae), a predominantly self-fertilizing native tobacco. BMC Ecology, 3: 6. doi:10.1186/1472-6785-3-6.

Zitierlink: https://hdl.handle.net/11858/00-001M-0000-0012-AF4A-5

Zusammenfassung

Background Although Nicotiana attenuata is entirely self-compatible, chemical and other floral traits suggest selection for the maintenance of advertisement for moth pollinators. Results Experimental exclusions of pollinators from plants with emasculated flowers in natural populations in southern Utah during an outbreak of the hawkmoth Hyles lineata revealed that 24% of the seed set could be attributed to insect pollination, and eliminated Conclusions Even though moth pollination is rare and highly variable for this largely selfing plant, N. attenuata opportunistically employs a mixed-mating system.