Fig. 4

Expression of ion transporter genes (ZmSOS1, ZmHKT1, ZmNHX, and ZmSKOR) in shoots (a, c, e, g) and roots (b, d, f, h) of maize genotype JD52 and FSY1 inoculated with arbuscular mycorrhizal fungus (Funneliformis mosseae) (AM) or without inoculation (NM) in 0 and 100 mM NaCl treatments assessed at 59 DAS. Data are means ± SE (n = 3), in each graph, data of traits were compared within each genotype, bars with different letters are significantly different (P ≤ 0.05)