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Hydration and pre-osmotic treatments on canola rape seeds (Brassica napus L.)

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The objective of this study was to evaluate both hydration and pre-osmotic treatments on the quality of canola seeds. Seeds from three lots (lots 1 and 2 high vigour and lot 3 low vigour respectively) were treated with distilled water and −1.5MPa of osmotic potential in manitol solution for four periods of treatment (12, 24, 48 and 72 hours) at 10°C. The treated seeds were set in a completely randomized design with six replications of 50 seeds. The seeds were evaluated by first germination test, final germination count and seedlings vigour classification. The pre-osmotic conditioning with manitol solution was not efficient in improving the germination and vigour of the rape seeds. However hydration in water was a suitable pre-germination treatment for seeds of this species and was effective in the low vigour lot.
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Document Type: Research Article

Publication date: April 1, 2008

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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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