Selection and plasticity both account for interannual variation in life‐history phenology in an annual prairie legume

Abstract As the environment changes, so too must plant communities and populations if they are to persist. Life‐history transitions and their timing are often the traits that are most responsive to changing environmental conditions. To compare the contributions of plasticity and natural selective re...

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Autores principales:	Amber R. Nashoba, Thomas J. Y. Kono
Formato:	article
Lenguaje:	EN
Publicado:	Wiley 2020
Materias:	Aster models Chamaecrista fasciculata effect of environment life‐history Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/268396c0519147e8a97c829d07866f3b
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spelling	oai:doaj.org-article:268396c0519147e8a97c829d07866f3b2021-11-04T13:06:10ZSelection and plasticity both account for interannual variation in life‐history phenology in an annual prairie legume2045-775810.1002/ece3.5953https://doaj.org/article/268396c0519147e8a97c829d07866f3b2020-01-01T00:00:00Zhttps://doi.org/10.1002/ece3.5953https://doaj.org/toc/2045-7758Abstract As the environment changes, so too must plant communities and populations if they are to persist. Life‐history transitions and their timing are often the traits that are most responsive to changing environmental conditions. To compare the contributions of plasticity and natural selective response to variation in germination and flowering phenology, we performed a quantitative genetic study of phenotypic selection on Chamaecrista fasciculata (Fabaceae) across two consecutive years in a restored tallgrass prairie. The earliest dates of germination and flowering were recorded for two parental cohorts and one progeny cohort in an experimental garden. Environmental differences between years were the largest contributors to phenological variation in this population. In addition, there was substantial heritability for flowering time and statistically significant selection for advancement of flowering. Comparison between a progeny cohort and its preselection parental cohort indicated a change in mean flowering time consistent with the direction of selection. Selection on germination time was weaker than that on flowering time, while environmental effects on germination time were stronger. The response to selection on flowering time was detectable when accounting for the effect of the environment on phenotypic differences, highlighting the importance of controlling for year‐to‐year environmental variation in quantitative genetic studies.Amber R. NashobaThomas J. Y. KonoWileyarticleAster modelsChamaecrista fasciculataeffect of environmentlife‐historyEcologyQH540-549.5ENEcology and Evolution, Vol 10, Iss 2, Pp 940-951 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Aster models Chamaecrista fasciculata effect of environment life‐history Ecology QH540-549.5
spellingShingle	Aster models Chamaecrista fasciculata effect of environment life‐history Ecology QH540-549.5 Amber R. Nashoba Thomas J. Y. Kono Selection and plasticity both account for interannual variation in life‐history phenology in an annual prairie legume
description	Abstract As the environment changes, so too must plant communities and populations if they are to persist. Life‐history transitions and their timing are often the traits that are most responsive to changing environmental conditions. To compare the contributions of plasticity and natural selective response to variation in germination and flowering phenology, we performed a quantitative genetic study of phenotypic selection on Chamaecrista fasciculata (Fabaceae) across two consecutive years in a restored tallgrass prairie. The earliest dates of germination and flowering were recorded for two parental cohorts and one progeny cohort in an experimental garden. Environmental differences between years were the largest contributors to phenological variation in this population. In addition, there was substantial heritability for flowering time and statistically significant selection for advancement of flowering. Comparison between a progeny cohort and its preselection parental cohort indicated a change in mean flowering time consistent with the direction of selection. Selection on germination time was weaker than that on flowering time, while environmental effects on germination time were stronger. The response to selection on flowering time was detectable when accounting for the effect of the environment on phenotypic differences, highlighting the importance of controlling for year‐to‐year environmental variation in quantitative genetic studies.
format	article
author	Amber R. Nashoba Thomas J. Y. Kono
author_facet	Amber R. Nashoba Thomas J. Y. Kono
author_sort	Amber R. Nashoba
title	Selection and plasticity both account for interannual variation in life‐history phenology in an annual prairie legume
title_short	Selection and plasticity both account for interannual variation in life‐history phenology in an annual prairie legume
title_full	Selection and plasticity both account for interannual variation in life‐history phenology in an annual prairie legume
title_fullStr	Selection and plasticity both account for interannual variation in life‐history phenology in an annual prairie legume
title_full_unstemmed	Selection and plasticity both account for interannual variation in life‐history phenology in an annual prairie legume
title_sort	selection and plasticity both account for interannual variation in life‐history phenology in an annual prairie legume
publisher	Wiley
publishDate	2020
url	https://doaj.org/article/268396c0519147e8a97c829d07866f3b
work_keys_str_mv	AT amberrnashoba selectionandplasticitybothaccountforinterannualvariationinlifehistoryphenologyinanannualprairielegume AT thomasjykono selectionandplasticitybothaccountforinterannualvariationinlifehistoryphenologyinanannualprairielegume
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Selection and plasticity both account for interannual variation in life‐history phenology in an annual prairie legume

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