Fig. 2From: Low-frequency glow discharge (LFGD) plasma treatment enhances maize (Zea mays L.) seed germination, agronomic traits, enzymatic activities, and nutritional propertiesSEM images of maize-treated seeds with non-treated seeds surface: a control, b 90 s, c 120 s LFGD Ar + air plasma treatment. The scale bar is 20 µmBack to article page