Plant stress phenotyping is essential to select stress-resistant varieties and develop better
stress-management strategies. Standardization of visual assessments and deployment of …

The severity of plant diseases, traditionally the proportion of the plant tissue exhibiting
symptoms, is a key quantitative variable to know for many diseases and is prone to error …

Standard area diagrams (SAD) have long been used as a tool to aid the estimation of plant
disease severity, an essential variable in phytopathometry. Formal validation of SAD was not …

Background Frogeye leaf spot is a disease of soybean, and there are limited sources of crop
genetic resistance. Accurate quantification of resistance is necessary for the discovery of …

Abstract Knowledge of the extent of the symptoms of a plant disease, generally referred to as
severity, is a key to both fundamental and applied aspects of plant pathology. Most …

Color photographs represent the symptoms of the disease as observed in the field, favoring
the visual estimation of severity. In order to increase the accuracy, repeatability and …

The aim of this study was to develop and validate a standard area diagram set (SADs) to
assess the severity of peach rust, caused by Tranzschelia discolor. The proposed SADs …

Septoria leaf spot (SLS) affects stevia leaves, reducing their quality. Estimates of SLS
severity on different genotypes are made to identify resistance and as a basis to compare …

A standard area diagram set (SADs) with eight severity values ranging from 0.5 to 32% was
evaluated as a tool to improve the accuracy of the estimates of Phomopsis leaf blight …

Two diagrammatic ordinal scales are available in the Estimate app (2017 version) for
Cercospora leaf spot (CLS) severity on table beet: 10% linear (linear-based diagrammatic …