Many potato cultivars are susceptible to B. cinerea. Late maturing varieties appear particularly susceptible but as
B. cinerea can act as a saprophyte, it is often difficult to assess which cultivars are truly more or less susceptible to the pathogen. When nutrient deficiency and potato early die or other root-restricting diseases stress plants, the disease can spread rapidly. Practices that limit leaf wetness duration such as irrigation during evening hours and optimal nutritional practices