Figure 2.

Increase in Na⁺ concentrations in the leaf sheaths (A) and leaf blades (B) of leaf 1 (squares) and leaf 2 (circles), and roots (C), of salt tolerant line 149 (black symbols) and salt sensitive Tamaroi (white symbols) during 10 d exposure to 50 mm NaCl and 2 mm CaCl₂ in half-strength modified Hoagland. D, Na⁺ content of leaves 1 and 2 after 10 d. Data represent mean ± sem (n = 4).