Fig. 2From: From visual estimates to fully automated sensor-based measurements of plant disease severity: status and challenges for improving accuracyStandard area diagram (SAD) examples to aid in severity estimation of a spot blotch severity on wheat leaves (Domiciano et al. 2014), b frogeye leaf spot on soybean (Debona et al. 2015), c potato early blight (Duarte et al. 2013), and d anthracnose on fruit of sweet pepper (Pedroso et al. 2011). The numbers represent percentage (%) of leaf area showing symptomsBack to article page