Figure 11

Calli obtained from in vitro grown plants: control (a), callus treated with 50 mg/L of perlite NPs (b), callus treated with 25 mg/L of TiO2/perlite NCs (c). Calli obtained from field grown plants: control (d), callus treated with 50 mg/L of perlite NPs (e), callus treated with 25 mg/L of TiO2/perlite NCs (f). Scale bar = 4 mm.