Forests, Volume 15, Issue 11
2024 November - 213 articles
Cover Story: The American elm (Ulmus americana L.), once a dominant species in North American floodplain forests, has suffered significant population declines due to Dutch elm disease (DED). Surviving elms may exhibit disease resistance and climate-adaptive traits necessary for restoration. This study evaluated mid-winter shoot cold tolerance of elm across a climatic gradient. We used relative electrolyte leakage methods to assess mid-winter cold tolerance of current-year shoots of DED-resistant and -susceptible American elm genotypes as well as commercially available DED-resistant sources. Genotypes that evolved in colder regions have greater cold tolerance in winter, which may have implications for future restoration efforts. View this paper - Issues are regarded as officially published after their release is announced to the table of contents alert mailing list .
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