Geographic structuring and transgenerational maternal effects shape germination in native, but not introduced, populations of a widespread plant invader

0464024 - BÚ 2017 RIV US eng J - Journal Article
Alba, Christina - Moravcová, Lenka - Pyšek, Petr
Geographic structuring and transgenerational maternal effects shape germination in native, but not introduced, populations of a widespread plant invader.
American Journal of Botany. Roč. 103, č. 5 (2016), s. 837-844. ISSN 0002-9122. E-ISSN 1537-2197
Grant - others:AV ČR(CZ) AP1002
Program: Akademická prémie - Praemium Academiae
Institutional support: RVO:67985939
Keywords : local adaptation * herbivory * Verbascum thapsus
Subject RIV: EF - Botanics
Impact factor: 3.050, year: 2016

Native populations had a wide germination niche breadth, germinating as well as or better than introduced populations. At cooler temperatures, native populations exhibited a genetically based environmental cline indicative of local adaptation, with populations from warmer locales germinating better than populations from cooler locales. However, this cline was obscured when maternal plants were attacked by herbivores, revealing that local stressors can override the expression of geographic structuring. Introduced populations did not exhibit clinal variation, suggesting its disruption during the introduction process.
Permanent Link: http://hdl.handle.net/11104/0264903