Interactions among Ca2+, Na+ and K+ in salinity toxicity: quantitative resolution of multiple toxic and ameliorative effects

Root elongation by wheat seedlings (Triticum aestivum L. cv. Scout 66) was not inhibited by NaCl or KCl up to 130 mM in culture solutions or by high Na+ (2 mg-1 FW) or K+ (4 mg g-1 FW) in the root tissue, provided that [Ca2+] > 2 mM in the rooting medium. At [NaCl], [KCl], or [mannitol] > 250...

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