NDLI: Variation of self-incompatibility within invasive populations of purple loosestrife (Lythrum salicaria L.) from eastern North America.

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Variation of self-incompatibility within invasive populations of purple loosestrife (Lythrum salicaria L.) from eastern North America.

Content Provider	Semantic Scholar
Author	Colautti, Robert I. White, Neil A. Barrett, Spencer C. H.
Copyright Year	2010
Abstract	Colonization may favor self‐compatibility (SC) in invasive plants, a process consistent with Baker’s law. We investigated this hypothesis in invasive eastern North American populations of tristylous Lythrum salicaria L. (purple loosestrife) by controlled self‐ and cross‐pollinations of 124 plants sampled from 12 populations grown under uniform glasshouse conditions. We evaluated whether populations at the northern front of the invasion exhibited higher levels of SC than southern populations, which are closer to source populations for the North American invasion. We also sought evidence for morph‐specific differences in the strength of trimorphic incompatibility. We used the ASTER statistical program to jointly model three measures of SC: (1) the probability of producing at least one seed following self‐pollination, (2) the number of fruits produced by self‐pollination, and (3) the average number of seeds per fruit resulting from self‐pollination. Just over one‐quarter of plants set at least one fruit afte...
Starting Page	158
Ending Page	166
Page Count	9
File Format	PDF HTM / HTML
DOI	10.1086/649023
Volume Number	171
Alternate Webpage(s)	http://labs.eeb.utoronto.ca/BarrettLab/pdf/Colautti-IJPS2010.pdf
Alternate Webpage(s)	https://doi.org/10.1086/649023
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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