Identification Symptoms

  • Especially damaging during cool, wet weather. The fungus can affect all plant parts.
  • Young leaf lesions are small and appear as dark, water soaked spots.
  • Complete defoliation (browning and shriveling of leaves and stems) can occur within 14 days from the first symptoms.
  • Infected tomato fruits develop shiny, dark or olive-colored lesions, which may cover large areas.
  • Yield losses reaching up to 100% because of LB infection.