Figure 5.

Salt tolerance of OsSIK2-overexpressing transgenic plants under field conditions. A, Growth of various rice seedlings. One-month-old field-grown seedlings were transferred to the controlled system and grown for 1 week before salt treatment. B, Plant growth for 3 weeks under salt stress. The above seedlings were exposed to 0.5% NaCl for 3 weeks and then photographed. C, Plant growth for 4 weeks under salt stress. The seedlings in A were exposed to 0.5% NaCl for 4 weeks and then photographed for comparison. D, Comparison of plant growth after recovery from salt stress. The seedlings exposed to 0.5% NaCl for 4 weeks were recovered in water for 3 weeks.