Fig. 9

Histochemical detection of H₂O₂, O₂⁻, and cell death of wheat genotypes T207 and S276 in response to exogenous AsA and GSH. A DAB staining of roots. B NBT staining of roots. C Evan’s blue staining of roots. Cd: 5 μM Cd²⁺, T8: 50 μM GSH + 0.1 mM AsA + 5 μM Cd²⁺, T9: 100 μM GSH + 0.1 mM AsA + 5 μM Cd²⁺