Fig. 4From: Sorting biotic and abiotic stresses on wild rocket by leaf-image hyperspectral data mining with an artificial intelligence modelHyperspectral reflectance signature in VIS–NIR spectral region of leaves from wild rocket collected 1 week after the exposure period to stresses sourced by Fusarium oxysporum f.sp. raphani (F, green), Rhizoctonia solani (R, blue), salinity (S, yellow) and water deficit (W, pink) compared with healthy control (C, red)Back to article page