Spread dynamics of Abutilon theophrasti in Central Europe

Swen Follak, Ulrike Aldrian and Michael Schwarz
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Swen Follak: Institute for Sustainable Plant Production, Austrian Agency for Health and Food Safety, Vienna, Austria
Ulrike Aldrian: Data, Statistics & Integrative Risk Assessment, Austrian Agency for Health and Food Safety, Vienna/Graz, Austria
Michael Schwarz: Data, Statistics & Integrative Risk Assessment, Austrian Agency for Health and Food Safety, Vienna/Graz, Austria

Plant Protection Science, 2014, vol. 50, issue 3, 157-163

Abstract: The spread pattern of Abutilon theophrasti (velvetleaf) in Austria, the Czech Republic, and Slovakia was analysed based on an exhaustive distribution data set (389 records). Cumulative number of all records showed a continuous increase since its introduction in the 19th century and > 1970 its spread gained momentum with an exponential increase > 2000. In fields, the species remained rare until 2000. Since then, A. theophrasti has invaded fields much more frequently (78% of all records in fields > 2000) and it was mainly found in sugar beet and maize. Approximately a total of 188 000 ha of the agricultural area are currently at risk of being invaded. Given the on-going spread into fields, the results provide evidence that A. theophrasti may cause serious impacts. Control measures should focus on the prevention of spreading seeds and the establishment of new foci.

Keywords: alien plant species; distribution; invasion history; velvetleaf (search for similar items in EconPapers)
Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpps:v:50:y:2014:i:3:id:55-2013-pps

DOI: 10.17221/55/2013-PPS

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