Figure 3

Ultrastructure of 2× (A) and 4× (B) black locust leaves after salt treatment. (a–c) Chloroplast under 0 mM NaCl; (d–f) Chloroplast under 250 mM NaCl; (g–i) Chloroplast under 500 mM NaCl. Bars in Figures (a,d,g) are 2 μm; Bars in Figures (b,e,h) are 5 μm; Bars in Figures (c,f,i) are 500 nm.