Angular leaf spot
most important, but also all types of vascular tissue of the crown can be infected, creating a look similar to that of a Phytophthora fragariae infection [...] and form a secondary source of infection. They are dispersed by rain, irrigation water or handling of the plants. Infection of the plants happens both passively [...] cycle and appearance of Angular leaf spot Xanthomonas fragariae overwinters in plants and dead leaves, that become the primary source of infection in the spring