An interim report on a long term storage experiment on rye (Secale cereale L.) under a range of temperatures and atmospheres |
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Authors: | C.-E. Specht A. Börner |
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Affiliation: | (1) Institut für Pflanzengenetik und Kulturpflanzenforschung (IPK), Correnstraße 3, D-06466 Gatersleben, Germany |
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Abstract: | A long term seed storage experiment with rye was started in 1978 in the Gatersleben genebank. Seeds of 3.7 and 5.5% moisture content were kept at –15, 0 and 10 °C in hermetically sealed glasses filled with air, CO2, N2, and also evacuated. The initial germination was 72% and germination was tested after 1, 5, 15 and 17 years of storage. After 17 years at –15 °C the smallest losses in germination and smallest interactions with the gas atmosphere were observed. At 0 and 10 °C there were greater, but variable losses in germination and inconsistent interactions with the gas atmosphere. Generally, air promoted and N2 reduced germination loss. |
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Keywords: | germination longevity long term storage rye Secale cereale L. hermetic storage storage atmosphere storage temperature |
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