Na+ content in shoot and root of various plants under salt stress. A, Comparison of Na+ content in shoots and roots of the wild type (WT), mhz6 alleles, and MHZ6/OsEIL1-OX lines under salt stress. Eight-day-old seedlings were subjected to Hoagland solution with 200 mm NaCl. The roots and shoots were harvested separately at the indicated times. Values are means ± sd (n = 3). Asterisks indicate significant differences from the corresponding controls at **, P < 0.01 and *, P < 0.05. DW, Dry weight. B, Comparison of Na+ content in shoots and roots of the wild type, OsEIL2-RNAi, and OsEIL2-OX seedlings under salt stress. Details are as in A.