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Loss of viability correlates with membrane damage in aged turnip (Brassica rapa) seeds

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Turnip (Brassica rapa L.) seeds were subjected to accelerated ageing (100% relative humidity, 45°C) for three, five and seven days and seed quality tests of the seed material completed (mean germination percentage, radicle length, germination speed, T50 and leachate conductivity) before and after ageing treatments. The seed showed a gradual and sequential reduction in mean germination percentage and seedling vigour as accelerated ageing duration increased. Time to 50% germination (T50) and seed leachate conductivity also increased with ageing duration. The results suggested that membrane deterioration and a subsequent reduction in germinability, vigour and speed of germination, play a considerable role in turnip seed quality loss.
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Document Type: Research Article

Publication date: 01 July 2005

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  • Seed Science and Technology (SST) is one of the leading international journals featuring original papers and review articles on seed quality and physiology as related to seed production, harvest, processing, sampling, storage, distribution and testing. This widely recognised journal is designed to meet the needs of researchers, advisers and all those involved in the improvement and technical control of seed quality.
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