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Storability and freezing tolerance of Douglas fir and Norway spruce seedlings grown in mid-Sweden
Linnaeus University, Faculty of Technology, Department of Forestry and Wood Technology.ORCID iD: 0000-0002-8837-4140
Swedish University of Agricultural Sciences.
Dalarna University ; Swedish University of Agricultural Sciences.
2017 (English)In: Scandinavian Journal of Forest Research, ISSN 0282-7581, E-ISSN 1651-1891, Vol. 32, no 1, p. 30-38Article in journal (Refereed) Published
Abstract [en]

Climate change provides new challenges to Nordic forestry. Use of non-native species, such as Douglas fir, can be a means of mitigating the effects of climate change and meeting the growing demand for biomass. When Douglas fir is grown in Sweden, it is several degrees of latitude north of its normal range, which can affect timing of growth cessation, hardening of seedlings, and seedling storability. The objective of this study was to investigate tolerance to freezing and sub-zero storability of seven Douglas fir provenances and make comparisons with the native Norway spruce. Freezing tolerance and storability were evaluated by measuring the electrolytic leakage of shoots and roots after freezing, complemented with a three-week cultivation test after storage. All provenances of Douglas fir used in this study were able to tolerate frozen storage at −4°C for about four months. Norway spruce and the interior Douglas fir provenance, Three Valley, could be stored earlier in the autumn than the southern coastal Douglas fir provenances. Consequently, it should be possible to store Douglas fir seedlings with the same routines as for Norway spruce.

Place, publisher, year, edition, pages
2017. Vol. 32, no 1, p. 30-38
Keywords [en]
frost tolerance; frozen storage; non-native species; nursery routines; Pseudotsuga menziesii; Picea abies
National Category
Forest Science
Research subject
Technology (byts ev till Engineering), Forestry and Wood Technology
Identifiers
URN: urn:nbn:se:lnu:diva-52897DOI: 10.1080/02827581.2016.1183704ISI: 000389046100004OAI: oai:DiVA.org:lnu-52897DiVA, id: diva2:932570
Available from: 2016-06-01 Created: 2016-06-01 Last updated: 2018-05-31Bibliographically approved

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Malmqvist, Cecilia

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf