Performance of Ambrosia artemisiifolia and its potential competitors in an experimental temperature and salinity gradient and implications for management

0509731 - BÚ 2020 RIV FI eng J - Journal Article
Skálová, Hana - Guo, Wen-Yong - Moravcová, Lenka - Pyšek, Petr
Performance of Ambrosia artemisiifolia and its potential competitors in an experimental temperature and salinity gradient and implications for management.
Management of Biological Invasions. Roč. 10, č. 2 (2019), s. 359-376. ISSN 1989-8649
R&D Projects: GA ČR(CZ) GA19-20405S; GA MŠMT(CZ) LD15157; GA ČR(CZ) GX19-28807X
EU Projects: European Commission(XE) COST Action FA1203 - COST SMARTER
Institutional support: RVO:67985939
Keywords : plant invasions * common ragweed * management * climate change * plant height * biomass * competition * native species * thermal optimum
OECD category: Plant sciences, botany
Impact factor: 2.127, year: 2019
Method of publishing: Open access

The height and weight of A. artemisiifolia increased with increasing temperature over the whole range of temperatures tested, with most native species growing best at 22 °C. This indicates that A. artemisiifolia will perform better in a warming climate and its spread will be facilitated by the poor performance of native species growing at suboptimal temperatures. As the largest differences in size between A. artemisiifolia and the native species were recorded at 10 and 14 °C we recommend that native seed mixtures are sown at ragweed invaded sites early in spring, or the previous autumn, to provide the competitors with a growth advantage at lower temperatures when A. artemisiifolia plants are still small and thus competitively weak. With respect to the other factor tested, A. artemisiifolia was suppressed similarly by high salinity as most of the native species tested.
Permanent Link: http://hdl.handle.net/11104/0301699