ArticleAnnals of botany2012
Tests for the joint evolution of mating system and drought escape in Mimulus.
Article in Annals of botany, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 23 papers.
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Who cites it
23 citing papers in PubMed.
- Genomic and evolutionary evidence for drought adaptation of allopolyploid Brachypodium hybridum.Journal of experimental botany · 2025Article
- The flower does not open in the city: evolution of plant reproductive traits of Portulaca oleracea in urban populations.Annals of botany · 2025Article
- Review
- Experimental evolution suggests rapid assembly of the 'selfing syndrome' from standing variation inFrontiers in plant science · 2024Article
- Genetic and spatial variation in vegetative and floral traits across a hybrid zone.American journal of botany · 2022Article
- The influence of genetic architecture on responses to selection under drought in rice.Evolutionary applications · 2022Article
- Multivariate selection mediated by aridity predicts divergence of drought-resistant traits along natural aridity gradients of an invasive weed.The New phytologist · 2022Article
- Evolutionary and plastic changes in a native annual plant after a historic drought.Ecology and evolution · 2020Article
- Do floral traits and the selfing capacity of Mimulus guttatus plastically respond to experimental temperature changes?Oecologia · 2020Article
- Divergence in drought-response traits between sympatric species ofEcology and evolution · 2019Article
- Evidence for adaptive responses to historic drought across a native plant species range.Evolutionary applications · 2019Article
- Natural selection and outbreeding depression suggest adaptive differentiation in the invasive range of a clonal plant.Proceedings. Biological sciences · 2018Article
- Article
- Outcrossing and photosynthetic rates vary independently within two Clarkia species: implications for the joint evolution of drought escape physiology and mating system.Annals of botany · 2016Article
- Seed set variation in wildEcology and evolution · 2016Article
- When can stress facilitate divergence by altering time to flowering?Ecology and evolution · 2015Article
- Natural variation, differentiation, and genetic trade-offs of ecophysiological traits in response to water limitation in Brachypodium distachyon and its descendent allotetraploid B. hybridum (Poaceae).Evolution; international journal of organic evolution · 2015Article
- Direct and indirect selection on flowering time, water-use efficiency (WUE, δ (13)C), and WUE plasticity to drought in Arabidopsis thaliana.Ecology and evolution · 2014Article
- Evolutionary genetics of plant adaptation: insights from new model systems.Current opinion in plant biology · 2014Review
- Environmental stress and flowering time: the photoperiodic connection.Plant signaling & behavior · 2014Review
Corrections and comments
- Erratum issued
Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
aimsSelf-fertilizing taxa are often found at the range margins of their progenitors, where sub-optimal habitats may select for alternative physiological strategies. The extent to which self-fertilization is favoured directly vs. arising indirectly through correlations with other adaptive life history traits is unclear. Trait responses to selection depend on genetic variation and covariation, as well as phenotypic and genetic responses to altered environmental conditions. We tested predictions of the hypothesis that self-fertilization in Mimulus arises through direct selection on physiological and developmental traits that allow seasonal drought escape.
methodsPhenotypic selection on mating system and drought escape traits was estimated in field populations of M. guttatus. In addition, trait phenotype and phenotypic selection were compared between experimental wet and dry soil in two greenhouse populations each of M. guttatus and M. nasutus. Finally, genetic variation and covariation for traits were compared between wet and dry soil treatments in a greenhouse population of M. guttatus. KEY
resultsConsistent with predictions, selection for early flowering was generally stronger than for mating system traits, and selection for early flowering was stronger in dry soil. Inconsistent with predictions, selection for water-use efficiency was largely absent; selection for large flowers was stronger than for drought escape in the field; and most drought escape and mating system traits were not genetically correlated. A positive genetic correlation between flowering time and flower size, which opposed the adaptive contour, emerged only in wet soil, suggesting that variation in water availability may maintain variation in these traits. Plastic responses to soil moisture treatments supported the idea that taxonomic divergence could have been facilitated by plasticity in flowering time and selfing.
conclusionsThe hypothesis that plant mating systems may evolve indirectly via selection on correlated life history characteristics is plausible and warrants increased attention.
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