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Asian Journal of Plant Sciences
  Year: 2009 | Volume: 8 | Issue: 8 | Page No.: 557-561
DOI: 10.3923/ajps.2009.557.561
 
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Variation in Seed Germination, Seedling Growth, Nucleic Acid and Biochemical Component in Canola (Brassica nupus L.) Under Salinity Stress

Mostafa Heidari

Abstract:
A laboratorial study was carried out to investigate the effect of NaCl on seed germination, seedling growth, proline concentration and deoxyribonuclease (DNase I1) in canola. Five canola genotypes (Hyola308, Hyola401, Hyola60, Optlon50 and RGS003), were grown in petri dishes containing S1 = 0, S2 = 100, S3 = 200 and S4 = 300 mM NaCl in controlled environment. Results indicated that increased salinity caused a significant reduction in germination. Increase salt concentration also affected the early seedling growth and proline concentration in root and shoot tissues. Among the genotypes, Hyola60 appeared to be more tolerant at germination stage and accumulate the highest proline in the root and shoot as a result of salt stress. Among the genotypes, RGS003 had the highest the activity of DNase II in all of salinity treatments but more sensitive at 300 mM NaCl in germination stage then others.
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How to cite this article:

Mostafa Heidari , 2009. Variation in Seed Germination, Seedling Growth, Nucleic Acid and Biochemical Component in Canola (Brassica nupus L.) Under Salinity Stress. Asian Journal of Plant Sciences, 8: 557-561.

DOI: 10.3923/ajps.2009.557.561

URL: https://scialert.net/abstract/?doi=ajps.2009.557.561

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