Paper Information

Journal:   JOURNAL OF PLANT RESEARCH (IRANIAN JOURNAL OF BIOLOGY)   2016 , Volume 29 , Number 4 #H0056; Page(s) 772 To 782.
 
Paper:  EFFECTS OF SALT STRESS ON COMPATIBLE SOLUTES CONTENT IN SEEDLINGS ROOTS AND SHOOTS OF SOME WINTER CANOLA (BRASSICA NAPUS L.) CULTIVARS
 
Author(s):  RAJABI S., KARIMZADEH G., GHANATI F.
 
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Abstract: 

To study salt stress tolerance, changes of some solutes such as proline, soluble total proteins and carbohydrate contents in canola seedling’s roots and shoots were studied. Three winter cultivars of canola (Brassica napus L.), including Colvert, Symbol and Agat were treated with 0 (control), 50, 100, and 150 mM NaCl for 6, 12 and 24 h in hydropoic conditions. The data were first tested for normality and then were analyzed according to 3-factorial balanced CRD with three replications. The ANOVA results showed that significant differences between cultivars and salt treatments. Physiological parameters showed significant differences in salinity treatment levels in either roots or shoots. LSD mean comparisons showed the highest accumulation of proline and protein in Colvert roots and shoots at 150 mM NaCl while the highest amount of soluble carbohydrate contents were identified in Colvert roots and shoots in 100 mM NaCl. The results suggest that solutes inhanced in response to salt in salt tolerant canola cultivar.

 
Keyword(s): WINTER CANOLA, SALT STRESS, PROTEIN, PROLINE, SOLUBLE CARBOHYDRATES
 
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