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Storability measure...
Storability measures of Norway spruce and Scots pine seedlings and assessment of post storage vitality by measuring shoot electrolyte leakage
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- Lindström, Anders (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Högskolan Dalarna,Skog- och träteknik,School for Forest Management, Swedish University of Agricultural Sciences, Skinnskatteberg,Skogsmästarskolan
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- Stattin, Eva (författare)
- Högskolan Dalarna,Skog- och träteknik
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- Gräns, Daniel (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Högskolan Dalarna,Skog- och träteknik,School for Forest Management, Swedish University of Agricultural Sciences, Skinnskatteberg,Skogsmästarskolan,Dalarna University
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- Wallin, Elisabeth (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Högskolan Dalarna,Energi och miljöteknik,School for Forest Management, Swedish University of Agricultural Sciences, Skinnskatteberg,Skogsmästarskolan,Dalarna University
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(creator_code:org_t)
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- 2014-11-12
- 2014
- Engelska.
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Ingår i: Scandinavian Journal of Forest Research. - : Taylor & Francis Group. - 0282-7581 .- 1651-1891. ; 29:8, s. 717-724
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://res.slu.se/i...
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Abstract
Ämnesord
Stäng
- As indoor frozen storage is increasing in forest tree nurseries it is important to have accurate methods for assessing seedling storability in autumn and methods to determine post-storage vitality. Storability of spruce (Picea abies (L.) Karst.) and pine (Pinus sylvestris L.) seedlings can be based on determination of dry matter content (DMC) of seedling shoots or by freezing shoots at -25 degrees C and thereafter measure electrolyte leakage (SELdiff-25). To compare these two methods we stored 1-year-old spruce and pine seedlings at different occasions during the autumn. To test if leakage of electrolytes from shoots (SEL) could indicate deteriorated vitality, we measured SEL at the end of storage. After storage seedling viability was determined in a three-week growth test, measuring shoot and root growth capacity (RGC). Determination of freezing tolerance (SELdiff-25) before storage had a better ability to predict the outcome of storage compared to the DMC test. Measuring SEL at the end of the frozen storage period accurately indicated seedling vitality. Seedlings with SEL of 0-5% had a high survival rate whereas SEL over 10% indicated low survival and growth capacity after storage. The SEL method has a potential to become a screening test for identifying batches of seedlings that have been damaged during storage in the nursery.
Ämnesord
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Skogsvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Forest Science (hsv//eng)
Nyckelord
- seedling status; dry matter content; containerized seedlings; freezing test; dehardening; hardening
- Energy and Built Environments
- Energi och samhällsbyggnad
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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