Root rot of carrot
in nonsterile soil remained viable at 0°C 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 [...] root, leaf, and petiole lesions. Continuous light is best for in vitro sporulation. Spore germination in vitro requires free water. The pH for growth, s [...] leaflets produced a germ tube, an appressorium and an infection peg into an epidermal cell, and then intracellular and intercellular mycelium. Conidia buried in