On selection for flowering time plasticity in response to density

© 2014 The Author. New Phytologist © 2014 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 205(2015), 1 vom: 14. Jan., Seite 429-39
1. Verfasser: Vermeulen, Peter J (VerfasserIn)
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article density evolutionarily stable strategy flowering game theory optimization plasticity season length selection
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520 |a Different genotypes often exhibit opposite plastic responses in the timing of the onset of flowering with increasing plant density. In experimental studies, selection for accelerated flowering is generally found. By contrast, game theoretical studies predict that there should be selection for delayed flowering when competition increases. Combining different optimality criteria, the conditions under which accelerated or delayed flowering in response to density would be selected for are analysed with a logistic growth simulation model. To maximize seed production at the whole-stand level (simple optimization), selection should lead to accelerated flowering at high plant density, unless very short growing seasons select for similar onset of flowering at all densities. By contrast, selection of relative individual fitness will lead to delayed flowering when season length is long and/or growth rates are high. These different results give a potential explanation for the observed differences in direction of the plastic responses within and between species, including homeostasis, as a result of the effect of the variation in season length on the benefits of delayed flowering. This suggests that limited plasticity can evolve without the costs and limits that are currently thought to constrain the evolution of plasticity 
650 4 |a Journal Article 
650 4 |a density 
650 4 |a evolutionarily stable strategy 
650 4 |a flowering 
650 4 |a game theory 
650 4 |a optimization 
650 4 |a plasticity 
650 4 |a season length 
650 4 |a selection 
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