VARIATION OF K+ AND NA+ CONCENTRATIONS IN ROOT AND SHOOT OF OILSEED RAPE AS AFFECTED BY SALINITY

Published in Scientific Papers. Series A. Agonomy., Vol. LVI
Written by Mehdi AZIZI, Mohammad Reza TOOKALLOO

Considering the importance of salinity in some regions of our province specially the lands under cultivation of oilseed rape, an experiment was conducted at greenhouse conditions for study the effect of four levels of salinity, ie. 2, 3, 6 and 9 ds/m produced from NaCl and CaCl2 and different cultivars of oilseed rapes. The framework of experiment was factorial with 3 replications based on RCBD design. Results showed that, with increase of salinity , the concentration of K+ and Na+ in root and shoot of plants, were varied and the ratio of K+/ Na+ increased too. Amongst cultivars, cv. Okapi had the least K+/Na+ concentration ratio. This proves that this cultivar has more compatibility with salinity stress and seems to be suitable for cultivation in saline soils and producing logic seed yield.

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AZIZI M., TOOKALLOO M. R. 2013, VARIATION OF K+ AND NA+ CONCENTRATIONS IN ROOT AND SHOOT OF OILSEED RAPE AS AFFECTED BY SALINITY. Scientific Papers. Series A. Agonomy., Vol. LVI, ISSN 2285-5785, 15-17.


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