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Seed Germination after 30 Years Storage in Permafrost

Solberg, Svein Øivind and Brodal, Guro and Von Bothmer, Roland and Meen, Eivind and Yndgaard, Flemming and Andreasen, Christian and Asdal, Åsmund (2020). Seed Germination after 30 Years Storage in Permafrost. Plants. 9 , 579 , 1-9
[Journal article]

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Abstract

More than 30 years ago, the Nordic Gene Bank established a long-term experiment on seeds stored under permafrost conditions in an abandoned mine corridor in Svalbard, as a tool to monitor storage life under these conditions. The study included seeds from 16 Nordic agricultural and horticultural crops, each represented by two or three cultivars (altogether 38 accessions). All seeds were ultra-dried to 3-5% moisture before being sealed in glass tubes. Germination tests were performed in accordance with the International Seed Testing Association (ISTA) protocols. At the initiation of the experiment, the samples showed good germination with the median value at 92%. The overall picture remained stable over the first twenty to twenty-five years. However, the variation became larger over time and at 30 years, the median value had dropped to 80%. At the lower end, with a high drop in germination, we found rye, wheat, and English ryegrass. At the upper end, we found Kentucky bluegrass and cucumber. The lowest germination was found in samples with the highest initial seed moisture levels. Pre-storage conditions are likely to be of major importance for longevity.

Authors/Creators:Solberg, Svein Øivind and Brodal, Guro and Von Bothmer, Roland and Meen, Eivind and Yndgaard, Flemming and Andreasen, Christian and Asdal, Åsmund
Title:Seed Germination after 30 Years Storage in Permafrost
Year of publishing :2020
Volume:9
Article number:579
Number of Pages:9
Publisher:MDPI
Language:English
Publication Type:Journal article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 404 Agricultural Biotechnology > Genetics and Breeding
Keywords:ex situ conservation, germination, longevity, plant genetic resources, seed storage
URN:NBN:urn:nbn:se:slu:epsilon-p-106940
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-106940
Additional ID:
Type of IDID
DOI10.3390/plants9050579
Web of Science (WoS)000542286900116
ID Code:17343
Faculty:LTV - Fakulteten för landskapsarkitektur, trädgårds- och växtproduktionsvetenskap
Department:(LTJ, LTV) > Department of Plant Breeding (from 130101)
Deposited By: SLUpub Connector
Deposited On:28 Aug 2020 08:07
Metadata Last Modified:28 Aug 2020 08:07

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