Aarhus Universitets segl

More on seed longevity phenotyping

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  • Fiona Hay
  • Rachael Davies, Royal Botanic Gardens, Kew, Storbritannien
  • John Dickie, Royal Botanic Gardens, Kew, Storbritannien
  • David Merritt, University of Western Australia, Kings Park Science, Australien
  • Dustin Wolkis, Københavns Universitet, National Tropical Botanical Garden, USA

Understanding the relative longevity of different seed lots, perhaps of different species or genotypes, but also following production under different environments or using different cultivation methods, or following different post-harvest treatments, is relevant to anyone concerned with the retention of seed lot viability and vigour during storage. However, different scientists over the years have used different conditions to assess seed lot longevity, as well as different variables as the measure of 'longevity.' Here, we give some of the backgrounds to how two standard protocols, with an open and closed system respectively, were derived, and explain why we consider p50, defined as the time during storage when seed lot viability, as measured through a germination test, has declined to 50%, is a suitable longevity trait parameter.

TidsskriftSeed Science Research
Sider (fra-til)144-149
Antal sider6
StatusUdgivet - sep. 2022

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