Legume Research

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Legume Research, volume 36 issue 5 (october 2013) : 396-405

LOW Ca2+/Na+ RATIO AND EFFICIENCY OF MOBILIZATION OF Ca2+ FROM SHOOT TISSUES TO KERNEL DETERMINE SALINITY TOLERANCE IN GROUNDNUT (ARACHIS HYPOGAEA L.)

M.A.K Azad*, M. S. Alam1, M.A. Hamid, M.A. Hossain2
1Plant Breeding Division, Bangladesh Institute of Nuclear Agriculture, Bangladesh Agricultural University Campus, Mymensingh-2202, Bangladesh

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Cite article:- Azad* M.A.K, Alam1 S. M., Hamid M.A., Hossain2 M.A. (2023). LOW Ca2+/Na+ RATIO AND EFFICIENCY OF MOBILIZATION OF Ca2+ FROM SHOOT TISSUES TO KERNEL DETERMINE SALINITY TOLERANCE IN GROUNDNUT (ARACHIS HYPOGAEA L.). Legume Research. 36(5): 396-405. doi: .

ABSTRACT

Variety, salinity level and growth stage showed highly significant (Ppod filling>flowering stage. The tolerance of a variety based on economic yield was conferred by its low Ca2+/Na+ ratio in the shoot tissues. Moreover, the variety that could mobilize Ca2+ more at flowering stage from shoot tissues to reproductive organs particularly kernel under salinity stress attained more tolerance. The excess Na+ in shoot tissues of salinity stressed groundnut does not move to flower rather a portion to the kernel. In contrast, K+ and Ca2+ move from shoot tissues to all reproductive organs including flower with being the highest to the kernel.

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