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Differences in bud burst timing and bud freezing tolerance among interior and coastal seed sources of Douglas fir
Dalarna University, School of Technology and Business Studies, Energy Technology.
Dalarna University, School of Technology and Business Studies, Forest and Wood Technology.
2017 (English)In: Trees, ISSN 0931-1890, E-ISSN 1432-2285, 1-12 p.Article in journal (Refereed) In press
Abstract [en]

The need for species that will grow well through ongoing climate change has increased the interest in Douglas fir [Pseudotsuga menziesii (Mirb.) Franco] in Sweden. One of the most common problems seen in plantations of Douglas fir seedlings is damage caused by late spring frost, known to be highly correlated with the timing of bud burst. The objective of this study was to investigate spring-related bud development under Nordic conditions of seven Douglas fir provenances and to compare data with a local provenance of Norway spruce (Picea abies (L.) Karst). Results from a field trial and a greenhouse-based study were compared. The interior Douglas fir provenances exhibited an earlier bud burst than coastal provenances, both in the greenhouse and in the field trial. When comparing differences within the groups of interior and coastal Douglas fir provenances, no differences could be found. The local Norway spruce, only grown in the greenhouse, showed an intermediate bud development profile similar to the interior Douglas fir provenance Three Valley. We therefore suggest that Three Valley could be planted at the same locations as the investigated local provenance of Norway spruce in mid-Sweden. To avoid spring frost damage the Douglas fir seedlings need to be frozen stored and planted late in spring. Planting under shelterwood can also help protect the seedlings from spring frost damages. As similar results for bud development patterns of Douglas fir and Norway spruce provenances were obtained from the greenhouse and field trials, greenhouse tests could facilitate selection of provenances.

Place, publisher, year, edition, pages
2017. 1-12 p.
Keyword [en]
Temperature sum, Greenhouse, Field study, Norway spruce, Pseudotsuga menziesii, Picea abies, Sweden
National Category
Forest Science
Research subject
Energy, Forests and Built Environments
Identifiers
URN: urn:nbn:se:du-25987DOI: 10.1007/s00468-017-1603-xScopus ID: 2-s2.0-85028295943OAI: oai:DiVA.org:du-25987DiVA: diva2:1140004
Available from: 2017-09-11 Created: 2017-09-11 Last updated: 2017-09-11Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • chicago-author-date
  • chicago-note-bibliography
  • 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