Institut für Pflanzenschutz in Obst- und Weinbau
In spring (March to June), the ascospore potential of wintered fallen leaves is determined weekly using the water bath method. The information is passed on to the plant protection services, among others, who use this data for their warning service. Additionally, spore flights during spring are recorded by spore traps. Together, these data are used for the developement and improvement of prognosis modells.
Federal Ministry of Agriculture, Food and Regional Identity