Effect of invigoration treatments on artificially aged Brassica napus L seeds

Abstract

Brassica napus L. (canola seeds) is one of the major edible oil sources in all over the world and is cultivated mainly for its oil rich seed. This study was assessed the utility to invigorate artificially deteriorated canola seeds (expose to 40°C and 100% Relative humidity for 24 hours) by hydro-priming (distilled water 100ml), halo-priming (NaCl), osmo-priming (KNO3), nutrient-priming (KH2PO4) solutions of 1, 2, 3 and 4% respectively for 8 hours and compared with control. Priming treatments cause significant germination percentage increase in hydro-priming (70%) with maximum seedling vigor index I and II (594.42 and 2.80). In NaCl 1% it was 66.67% as compare to control (48.33%). In KNO3 priming it was maximum at 4% (58.33%) and in KH2PO4 at 1% (60%). Results of experiment conclude that hydro-priming induced rapid and uniform germination with increase in seedling vigor, seedling length, fresh and dry weight. 

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