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Long night treatment for induction of cold hardiness using artificial lights: effects of photoperiod on seedling storabilityand energy consumption
Dalarna University, School of Technology and Business Studies, Energy Technology.ORCID iD: 0000-0001-6805-2112
Dalarna University, School of Technology and Business Studies, Forest and Wood Technology.
2014 (English)In: The International Forestry Review Vol.16 (5), 2014 / [ed] John A. Parrotta, Cynthia F. Moser, Amy J. Scherzer, Nancy E. Koerth and Daryl R. Lederle, 2014, Vol. 16, no 5, 379-379 p.Conference paper, Poster (with or without abstract) (Other academic)
Abstract [en]

Human-assisted forest regeneration in Nordic climates is considerably limited by the harsh outdoor conditions. There is onlya small open window of time during the summer when the weather is favorable for transplantation and establishment ofpre-cultivated seedlings in open land. Greenhouses and modern growth chambers help to cope with this limitation by allowingyear-round seedling cultivation. Nonetheless, production levels are constrained to the cold storage capacity during the nontransplantingseason. This storage is in turn dependent on the ability of the conifer to adapt to freezing temperatures and withstand theoverall stress associated with cold hardening. Long night treatments can induce dormancy with cessation of growth and terminalbuds initiation, leading to a better cold resistance. When growing forest regeneration materials under artifi cial lights, the lengthsof the long night treatment and the photoperiod will have a signifi cant impact not only on the biological response of the seedlingsbut also on the energy consumption, and thus on the CO2 emissions. The aim of this work was to explore different long nighttreatment regimes for induction of cold hardiness in Picea abies and Pinus sylvestris seedlings using artifi cial lights. This wasdone with the purpose of studying the relationship between the energy consumption and the biological responses.

Place, publisher, year, edition, pages
2014. Vol. 16, no 5, 379-379 p.
Keyword [en]
Forest restoration, LED grow lights, forest nurseries, long-night treatment, cold hardiness
National Category
Forest Science
Research subject
Energy, Forests and Built Environments, Zephyr, EU projekt inom 7:e ramprogrammet, europeiskt samverkansprojekt för utveckling av ny energisnål och miljövänlig teknik för produktion av skogsplantor
Identifiers
URN: urn:nbn:se:du-16435OAI: oai:DiVA.org:du-16435DiVA: diva2:764944
Conference
Sustaining Forests, Sustaining People: The Role of Research. XXIV IUFRO World Congress, 5-11 October 2014, Salt Lake City, USA
Available from: 2014-11-20 Created: 2014-11-20 Last updated: 2016-05-03Bibliographically approved

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CiteExportLink to record
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Citation style
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