Home About Browse Search
Svenska


Long-Term Storage and Longevity of Orthodox Seeds: A Systematic Review

Solberg, Svein Oivind and Yndgaard, Flemming and Andreasen, Christian and Von Bothmer, Roland and Loskutov, Igor G. and Asdal, Asmund (2020). Long-Term Storage and Longevity of Orthodox Seeds: A Systematic Review. Frontiers in Plant Science. 11 , 1007 , 1-14
[Journal article]

[img] PDF
1MB

Abstract

As part of conservation of plant genetic resources, long-term storage of seeds is highly relevant for genebanks. Here we present a systematic review and a meta-analysis of studies on seed longevity focusing on half-life (P-50) under different storage conditions. Six studies were selected for the meta-analysis; in addition, a high number of additional references were included in the discussion of the results. The results show that under ambient conditions, half-life is short, from 5 to 10 years, while under more optimal conditions, which for orthodox seeds is at low humidity and low temperature, half-life is more in the 40-60 years range, although with large interspecies variation. Under long-term genebank conditions, with seeds dried to equilibrium and thereafter kept at minus 18-20 degrees C in waterproof bags or jars, half-life can be twice or three times as long. In general, many of the grain legume seeds, as well as corn, common oat, and common barley are long-lived, while cereal rye, onion, garden lettuce, pepper, and some of the forage grasses are more short-lived. Conditions during maturation and harvesting influence longevity, and proper maturation and gentle handling are known to be of importance. Seed longevity models have been developed to predict final germination based on initial viability, temperature, humidity, storage time, and species information. We compared predicted germination to results from the long-term experiments. The predicted values were higher or much higher than the observed values, which demonstrate that something in the seed handling in the genebanks have not been optimal. Long-term studies are now available with data at least up to 60 years of storage. Our review shows that the knowledge and methodology developed for the conservation of plant genetic resources should also work for wild species of orthodox seed nature.

Authors/Creators:Solberg, Svein Oivind and Yndgaard, Flemming and Andreasen, Christian and Von Bothmer, Roland and Loskutov, Igor G. and Asdal, Asmund
Title:Long-Term Storage and Longevity of Orthodox Seeds: A Systematic Review
Year of publishing :2020
Volume:11
Article number:1007
Number of Pages:14
Publisher:FRONTIERS MEDIA SA
ISSN:1664-462X
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 > 1 Natural sciences > 106 Biological Sciences (Medical to be 3 and Agricultural to be 4) > Botany
(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 404 Agricultural Biotechnology > Genetics and Breeding
Keywords:conservation, genetic resources, genebank, long-term storage, seed storage, viability
URN:NBN:urn:nbn:se:slu:epsilon-p-107198
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-107198
Additional ID:
Type of IDID
DOI10.3389/fpls.2020.01007
Web of Science (WoS)000553949900001
ID Code:17447
Faculty:LTV - Fakulteten för landskapsarkitektur, trädgårds- och växtproduktionsvetenskap
Department:(LTJ, LTV) > Department of Plant Breeding (from 130101)
Deposited By: SLUpub Connector
Deposited On:14 Sep 2020 09:58
Metadata Last Modified:14 Sep 2020 09:58

Repository Staff Only: item control page

Downloads

Downloads per year (since September 2012)

View more statistics

Downloads
Hits