du.sePublications
Change search
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
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, Vol. 31, no 6, p. 1987-1998Article in journal (Refereed) Published
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. Vol. 31, no 6, p. 1987-1998
Keywords [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-xISI: 000414503900019Scopus ID: 2-s2.0-85028295943OAI: oai:DiVA.org:du-25987DiVA, id: diva2:1140004
Available from: 2017-09-11 Created: 2017-09-11 Last updated: 2018-03-29Bibliographically approved
In thesis
1. From growth cessation to bud burst: conifer seedling development in response to nursery culture and environmental stimuli
Open this publication in new window or tab >>From growth cessation to bud burst: conifer seedling development in response to nursery culture and environmental stimuli
2018 (English)Doctoral thesis, comprehensive summary (Other academic)
Alternative title[sv]
Från tillväxtavslutning till knoppbrytning : barrplantors reaktioner på några behandlingar i plantskolan och olika temperaturregimer
Abstract [en]

In Sweden, 350-400 million seedlings are produced annually for forest regeneration. About one third of these are overwintered in frozen storage, necessitating accurate methods to assess storability. Young transplants of Norway spruce (Picea abies (L.) Karst.) intended for short-term frozen storage were considered storable before reaching target levels for safe storage using shoot dry matter content, freezing tolerance and the molecular test ColdNSure™. Results also indicated that using shoot dry matter content for storability assessment can be misleading, not only for Norway spruce but also for Scots pine (Pinus sylvestris (L.)). Post-storage vitality can easily and rapidly be determined by measuring the electrolyte leakage from shoots (SEL) of pine and spruce seedlings. SEL and regrowth tests showed that the vitality of young transplants decreased when the time in storage was prolonged from 3-4 to 5-7 months. Short-day (SD) treatment of seedlings shortens the time for dormancy induction and makes seedlings storable at an earlier date. The activity level of dormancy related genes, and genes associated with freezing tolerance reflects the effect of different treatments e.g., the importance of combining longer periods of SD treatment (21-28 days) with low temperature exposure to rapidly obtain storable seedlings. Gene expression profiles have the potential to be used for assessment of seedling dormancy status, predict the development of freezing tolerance, bud set, the risk for a second bud flush in autumn and the timing of bud burst in spring. The interest in Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) has increased in Sweden. Frost risks in spring make bud burst timing important when selecting suitable provenances of Douglas-fir for planting. A field trial and a greenhouse study showed the same pattern concerning time of bud burst for a number of Douglas-fir provenances, indicating that greenhouse screening tests can be used for provenance selection. Considering bud burst patterns together with previously reported winter hardening characteristics the interior provenance Three Valley would have a good chance of successful field establishment in southern Sweden.

Abstract [sv]

I Sverige produceras årligen 350-400 miljoner skogsplantor och cirka en tredjedel av dessa övervintras i fryslager vilket kräver noggranna metoder för att bedöma lagringsbarheten. Unga omskolningsplantor av gran (Picea abies (L.) Karst.) ämnade för kort fryslagring visade sig vara lagringsbara innan de uppnått de gränsvärden för säker långtidslagring som utvecklats för äldre konventionella plantor med avseende på torrsubstanshalt, frystolerans och det molekylära testet ColdNSure™. Resultaten tyder också på att mätningar av torrsubstanshalt kan vara missvisande, inte bara för gran utan även för tall (Pinus sylvestris L.). Plantvitaliteten efter lagring kan snabbt fastställas genom att mäta det elektrolytiska läckaget från skotten (SEL) hos tall- och granplantor. Vitaliteten hos omskolningsplantorna sjönk mätt som SEL och vid utvärdering av överlevnad och tillväxt om fryslagringen förlängdes från 3-4 till 5-7 månader. Långnatts(LN)-behandling av granplantor under sensommaren gör plantorna tidigt vilande och lagringsbara på hösten. Effekter av behandlingar kan tydliggöras genom att avläsa aktivitetsnivåer hos några utvalda gener som styr plantornas vila och utveckling av frystolerans. För att uppnå djup vila och tidig lagringsbarhet krävs t.ex. långa LNbehandlingar (21-28 dagar) i kombination med växlande ej för varmt utomhusklimat. Analyser av genaktivitet har potential att användas för att fastställa plantornas vilostatus, förutspå utvecklingen av frystolerans, knoppsättning, risk för en andra skottskjutning på hösten samt förutspå tidpunkten för knoppsprickning nästkommande vår. Intresset för Douglasgran (Pseudotsuga menziesii (Mirb.) Franco) har ökat i Sverige. Risken för vårfrostskador gör tidpunkten för knoppbrytning till en viktig parameter vid val av lämpliga provenienser av Douglasgran. Genom att fält- och växthusförsök gav samstämmiga resultat med avseende på knoppbrytning kan växthusförsök vara vägledande och underlätta proveniensval. Mot bakgrund av knoppbrytningsmönster hos testade provenienser samt tidigare studier av invintringsförmåga bedöms inlandsproveniensen Three Valley ha goda etableringsförutsättningar i södra Sverige.

Place, publisher, year, edition, pages
Uppsala: School for Forest Management, Swedish University of Agricultural Sciences, 2018
Series
Acta Universitatis agriculturae Sueciae, ISSN 1652-6880 ; 2018:12
Keywords
Picea abies, Pinus sylvestris, Pseudotsuga menziesii, seedling status, gene activity, photoperiod, storability, vitality, transplants, shoot electrolyte leakage, Picea abies, Pinus sylvestris, Pseudotsuga menziesii, plantstatus, genaktivitet, fotoperiod, lagringsbarhet, vitalitet, omskolningsplantor, elektrolytiskt läckage
National Category
Environmental Engineering
Research subject
Energy, Forests and Built Environments
Identifiers
urn:nbn:se:du-27443 (URN)978-91-7760-165-4 (ISBN)978-91-7760-164-7 (ISBN)
Available from: 2018-03-29 Created: 2018-03-29 Last updated: 2018-03-29Bibliographically approved

Open Access in DiVA

fulltext(1761 kB)13 downloads
File information
File name FULLTEXT02.pdfFile size 1761 kBChecksum SHA-512
acf3a53ae92e879472cdb1c3891d76bebd3f4a47253eb6fcb20f6a2265aa247c460933cc4422096b4c1dc18edd589e11dd850e8a42d2168cdfae00abf2ae919d
Type fulltextMimetype application/pdf

Other links

Publisher's full textScopus

Authority records BETA

Wallin, ElisabethLindström, Anders

Search in DiVA

By author/editor
Wallin, ElisabethLindström, Anders
By organisation
Energy TechnologyForest and Wood Technology
In the same journal
Trees
Forest Science

Search outside of DiVA

GoogleGoogle Scholar
Total: 21 downloads
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

doi
urn-nbn

Altmetric score

doi
urn-nbn
Total: 203 hits
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