Chapter 2. RE Gaunt. 1987. Measurement of disease and pathogens. Pages 6-18.

Keywords: criteria for methods of disease measurement, growth stage keys, choice of methods, measurement methods, pathogen measurement, disease measurement, prevalence of disease, severity rating, standard area diagrams, leaf spots Ascochyta pteridium, image analysis, indirect measurement, timing, frequency and position of measurements, epidemic monitoring and analysis, crop loss surveys, yield loss analysis