Author： Ruan Cheng-Jiang Teixeira da Silva Jaime A.
Publisher： Taylor & Francis Ltd
ISSN： 0735-2689
Source： Critical Reviews in Plant Sciences, Vol.31, Iss.4, 2012-07, pp. : 290-302
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Abstract
Reproductive assurance is a widely accepted explanation for the evolution of selfing, although theory suggests that an evolutionarily stable mixed mating strategy does not maximize seed production. We present a correlation analysis involving 28 species representing 23 families showing that selfing can evolve independently of inbreeding depression. We discuss the cost-benefit trade-off of selfing, in particular the incongruence of whether delayed selfing provides reproductive assurance in 22 species representing 14 families, in which pollen and seed discounting are minimized when pollinators or mates are scarce. Reproductive assurance, in response to frequent pollinator failure, can be reconciled with an evolutionarily stable mixed mating system contributed to by delayed selfing, which is still advantageous even if there is strong inbreeding depression.
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