(A) 3.1 µmol/L TDZ+0.0 µmol/L GA3, (B) 3.1 µmol/L TDZ+25 µmol/L GA3, (C) 3.1 µmol/L TDZ+50 µmol/L GA3, (D) 6.3 µmol/L TDZ+0.0 µmol/L GA3, (E) 6.3 µmol/L TDZ+25 µmol/L GA3, (F) 6.3 µmol/L TDZ+50 µmol/L GA3, (G) 12.5 µmol/L TDZ+0.0 µmol/L GA3, (H) 12.5 µmol/L TDZ+25 µmol/L GA3, (I) 12.5 µmol/L TDZ+50 µmol/L GA3.