ArticleEvolutionary applications2012
The Red Queen and the seed bank: pathogen resistance of ex situ and in situ conserved barley.
Article in Evolutionary applications, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Specific Resistance of Barley to Powdery Mildew, Its Use and Beyond. A Concise Critical Review.Genes · 2020Review
- Genomics of sorghum local adaptation to a parasitic plant.Proceedings of the National Academy of Sciences of the United States of America · 2020Article
- In situ conservation-harnessing natural and human-derived evolutionary forces to ensure future crop adaptation.Evolutionary applications · 2017Review
- Seed production areas for the global restoration challenge.Ecology and evolution · 2016Article
- Genetic Distinctiveness of Rye In situ Accessions from Portugal Unveils a New Hotspot of Unexplored Genetic Resources.Frontiers in plant science · 2016Article
- Conserving plants in gene banks and nature: investigating complementarity with Trifolium thompsonii Morton.PloS one · 2014Article
- Strong natural selection during plant restoration favors an unexpected suite of plant traits.Evolutionary applications · 2013Article
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Authors and funding
4 authors.
Funding
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Abstract
Plant geneticists have proposed that the dynamic conservation of crop plants in farm environments (in situ conservation) is complementary to static conservation in seed banks (ex situ conservation) because it may help to ensure adaptation to changing conditions. Here, we test whether collections of a traditional variety of Moroccan barley (Hordeum vulgare ssp. vulgare) conserved ex situ showed differences in qualitative and quantitative resistance to the endemic fungal pathogen, Blumeria graminis f.sp. hordei, compared to collections that were continuously cultivated in situ. In detached-leaf assays for qualitative resistance, there were some significant differences between in situ and ex situ conserved collections from the same localities. Some ex situ conserved collections showed lower resistance levels, while others showed higher resistance levels than their in situ conserved counterparts. In field trials for quantitative resistance, similar results were observed, with the highest resistance observed in situ. Overall, this study identifies some cases where the Red Queen appears to drive the evolution of increased resistance in situ. However, in situ conservation does not always result in improved adaptation to pathogen virulence, suggesting a more complex evolutionary scenario, consistent with several published examples of plant-pathogen co-evolution in wild systems.
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