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Evol Appl. 2016 Dec 26;10(6):551-562. doi: 10.1111/eva.12437. eCollection 2017 Jul.

Benefits of gene flow are mediated by individual variability in self-compatibility in small isolated populations of an endemic plant species.

Evolutionary applications

Christopher T Frye, Maile C Neel

Affiliations

  1. Natural Heritage Program Maryland Department of Natural Resources Wildlife and Heritage Service Wye Mills MD USA.
  2. Department of Plant Science and Landscape Architecture University of Maryland College Park MD USA.
  3. Department of Plant Science and Landscape Architecture and Department of Entomology University of Maryland College Park MD USA.

PMID: 28616063 PMCID: PMC5469166 DOI: 10.1111/eva.12437

Abstract

Many rare and endemic species experience increased rates of self-fertilization and mating among close relatives as a consequence of existing in small populations within isolated habitat patches. Variability in self-compatibility among individuals within populations may reflect adaptation to local demography and genetic architecture, inbreeding, or drift. We use experimental hand-pollinations under natural field conditions to assess the effects of gene flow in 21 populations of the central Appalachian endemic

Keywords: Trifolium virginicum; endemic; gene flow; index of self‐incompatibility; mating system; pseudo‐self‐fertility

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