Fig. 1
From: Multispectral imaging for presymptomatic analysis of light leaf spot in oilseed rape
Pathogen life-cycle evolution. Pyrenopeziza brassicae infection necrotic development on leaf tissue showing early phase senescence (top) and lesions from a late-stage sample (bottom) both showing a colour-coded stage of infection. Included for information is a \(\times\)40 microscopy evaluation from each sample