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Descripción
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| The threats that climate change represent for the persistence of biodiversity make necessary the consideration of new conservation strategies. Facilitated adaptation by artificial selection consists of the selection of individuals carrying alleles of greater adaptative value to increase their frequency in the population. Given that flowering onset is one of the key phenological aspects for angiosperm plants in response to climate change, this work aims to evaluate the effects of assisted selection on Lupinus angustifolius. For this purpose, seeds were collected from four populations located in Spain (two belonging to a cold environment and two belonging to a warm environment). In November 2016 seeds were sown in a common garden environment, and in spring 2017 we observed that individuals from warm populations flowered earlier. From this common garden, seeds of the 25% of individuals of each population that started flowering earlier were chosen, thus creating an early flowering selection line, and seeds of another 25% of each population were randomly chosen to create a control line. In the 2017-2018 season, the plants from the early flowering line flowered significantly earlier, confirming the heritability of this trait. Furthermore, significant differences in flowering onset were found again between populations. In parallel, we evaluated several funcional traits, finding significant correlations between flowering onset and some of these funcional traits. The present results will be useful to assess the viability of this kind of approach as an adaptative response to climate change. | |
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Internacional
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Si |
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Nombre congreso
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1st Meeting of the Iberian Ecological Society (SIBECOL) & XIV AEET Meeting |
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Tipo de participación
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970 |
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Lugar del congreso
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Barcelona (Spain) |
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Revisores
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Si |
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ISBN o ISSN
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00-0000-000-0 |
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DOI
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DOI 10.7818/SIBECOLandAEETmeeting.2019 |
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Fecha inicio congreso
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04/02/2019 |
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Fecha fin congreso
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07/02/2019 |
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Desde la página
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245 |
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Hasta la página
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245 |
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Título de las actas
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Abstract book of the 1st Meeting of the Iberian Ecological Society (SIBECOL) & XIV AEET Meeting |