Fig. 8From: Exogenous spermidine is enhancing tomato tolerance to salinity–alkalinity stress by regulating chloroplast antioxidant system and chlorophyll metabolismEffect of exogenous Spd on APX, MDHAR, DHAR and GR activity in tomato seedlings. CK, 1/2 Hoagland’s solution; S, 75 mM saline–alkaline solution (NaCl: Na2SO4: NaHCO3: Na2CO3 = 1:9:9:1); SS, sprayed with 0.25 mM Spd and treated with 75 mM saline–alkaline solution. a, c, e and g represent cv. Zhongza No.9; (b, d, f and h) represent cv. JinpengchaoguanBack to article page