Sexual interference of the floral kind

Heredity
S C Barrett

Abstract

Floral hermaphroditism results in conflicts and compromise in the parental roles of plants during pollination and mating. A potential cost of hermaphroditism is sexual interference between maternal and paternal functions resulting in gamete wastage and reduced fitness. Sexual interference may or may not be associated with self-pollination. In cases where self-pollination occurs, ovule or pollen discounting may reduce mating opportunities. Here I describe forms of sexual interference in flowering plants, distinguishing whether physical or biochemical interactions are involved and whether fitness costs associated with gamete wastage arise from intra-floral versus inter-floral processes. I review the limited experimental evidence for interference between sex functions and evaluate the hypothesis that some floral adaptations usually interpreted as anti-selfing mechanisms may serve an alternative function in reducing mating costs arising from this form of sexual conflict.

References

Mar 18, 2000·Proceedings. Biological Sciences·L D HarderW W Cole
Apr 12, 2001·Proceedings. Biological Sciences·A E Fetscher
Jul 1, 1985·Evolution; International Journal of Organic Evolution·Spencer C H Barrett, Deborah E Glover
Sep 1, 1982·Evolution; International Journal of Organic Evolution·David G Lloyd, Jocelyn M A Yates
May 1, 1993·American Journal of Botany·Robert I Bertin

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Citations

Jul 2, 2003·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Spencer C H Barrett
Jul 9, 2014·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Mario Vallejo-MarínBoris Igic
Jul 15, 2003·The American Naturalist·Linley K JessonTroy Day
Oct 15, 2014·Evolution; International Journal of Organic Evolution·Crispin Y Jordan, Tim Connallon
Jul 22, 2005·Journal of Evolutionary Biology·M B Routley, B C Husband
Jun 30, 2007·Evolution; International Journal of Organic Evolution·Christopher R Herlihy, Christopher G Eckert
Jan 18, 2006·The New Phytologist·Qian Yu, Shuang-Quan Huang
Dec 4, 2010·Journal of Evolutionary Biology·S SunQ-J Li
Apr 24, 2012·Evolution; International Journal of Organic Evolution·Mason W Kulbaba, Anne C Worley
Apr 10, 2003·Evolution; International Journal of Organic Evolution·Matthew B Routley, Brian C Husband
Aug 19, 2016·PhytoKeys·Ricardo Kriebel
Sep 7, 2016·ELife·John R Pannell, Guillaume Cossard
Nov 20, 2016·Evolution; International Journal of Organic Evolution·Colin Olito
Sep 12, 2014·Anais Da Academia Brasileira De Ciências·Nadilson R FerreiraBetina Blochtein
Jan 1, 2005·American Journal of Botany·W John KressQing-Jun Li
Feb 1, 2004·American Journal of Botany·Jiang-Yun GaoQing-Jun Li
Nov 1, 2003·American Journal of Botany·E Cayenne Engel, Rebecca E Irwin

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