Symptoms of Sclerotium rolfsii on beans

• Organs attacked :

• Symptoms :
  
  • Crown rot associated with the presence of mycelium and sclerotia.
  • Wilting of plants.
  • Yellowing of leaves, collapse of plants.
  • Affected plants distributed in more or less wide foci.

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• Signs : dense whitish mycelium covering the damaged organs. Smooth structures, rather spherical (1 to 3 mm in diameter), initially white, then tawny to reddish brown, gradually visible within the mycelium: sclerotia resembling mustard seeds.

• Affected production areas :