**2. Material and Methods**

For the purpose of the work, meteorological data from the experimental stations of the Central Research Center for Cultivated Plants in Southeastern Poland and some selected data from the meteorological stations of the Institute of Meteorology and Water Management (IMGW) in the province of Podkarpackie from 2000 to 2019 were used. Statistical data were also used, such as the following: cultivation area, yields and crops of potatoes (WUS). In addition, the research was based on our own observations and monitoring of potato blight in the years 2000–2019.
