Root rot of carrot
and 3°C for 12 months, at 6°C for 6 months, and at 12°C for 2 months, indicating a capacity to overwinter in cold regions. Inoculum can survive in perennial [...] best for in vitro sporulation. Spore germination in vitro requires free water. The pH for growth, sporulation, and spore germination ranges from 3.4 to [...] describe the fungus in Norway, in 1965. An infection can occur through the soil and the air. The fungus develops at temperatures ranging from -3°C to 25°C, with