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