Effect of aluminium toxicity on the accumulation and distribution of K+, Na+, Cl‐ and NO3‐ in Oryza Sativa l. And Cicer Arietinum l.

Rifat Samad, Parveen Rashid, JL Karmoker

Abstract


Aluminium (10 to 150 μM) decreased K+ accumulation in the root and shoot
of rice and the root, stem and leaves of chickpea seedlings. On the other hand,
Al, at a concentration of 10, 50, 100 and 150 μM increased Na+ content in different
parts of rice and chickpea seedlings. 150 μM Al increased Na+ accumulation in
the root by 2.1‐ to 2.2‐folds from 3 to 96 hrs of treatment. Aluminium at a
concentration of 150 μM caused a dramatic 2‐ and 3.4‐folds increase in Claccumulation
in the root and shoot of rice, respectively. In chickpea, 150 μM Al
increased Cl‐ accumulation in the root by 2‐folds. On the contrary, Al application
decreased NO3‐ accumulation in different parts of rice and chickpea seedlings.


Keywords


Aluminium toxicity, Ion transport, K+, Na+, Cl‐ and NO3‐ accumulation, Rice, Chickpea

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Dhaka University Journal of Biological Sciences ISSN 1021-2787 (Print) 2408-8501 (Online)