Effect of Salinity Stress on Germination and Seedling Properties in Canola Cultivars (Brassica napus L.)

  • Ahmad BYBORDI Baku State University, Faculty of Biology, 23 Z. Khalilov Street, 370148 Baku
  • Jalal TABATABAEI Faculty of Agriculture, University of Tabriz, Tabriz 51664

Abstract

Germination and seedling responses of five rape seed cultivars (Elite, Fornax, Licord, Okapi, and SLM046) to salinity stress levels (0 cont, 5, 10, 15 and 20 dSm-1) evaluated in aRCBD base factorial design in three replicates in glasshouse. Increasing Salinity decreased significantly rate and final germination, radicle and plumule length and fresh weight. Decreasing rate was different among cultivars. Salinity and cultivar interaction effect was significant in all attributes. Three parametric logistic regressions fitted the best estimation between germination and salinity levels. The highest and the lowest B coefficient belonged to Elite and SLM046 that shows high and low susceptibility to salinity. Ld 50 threshold for germination for Elite and SLM046 were 10.46 and 23.01 dSm-1, respectively. Tolerance ranking for cultivars was SLM046 > Okapi > Fornax > Licord > Elite. This classification belonged to early season tolerance and it is necessary to study the next growth period for evaluate salinity tolerance rank among cultivars.

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Published
2009-11-02
How to Cite
BYBORDI, A., & TABATABAEI, J. (2009). Effect of Salinity Stress on Germination and Seedling Properties in Canola Cultivars (Brassica napus L.). Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 37(2), 71-76. https://doi.org/10.15835/nbha3723299
Section
Research Articles