Symptoms of Choanephora cucurbitacearum on cabbage

• Organs attacked :

• 
  Symptoms :
  • Wet lesions, dark green to brown, initiating in particular from the periphery of the leaf blade rather low (figure 1)
  • A rot sets in and reaches the inside of the blade (figure 2). The tissues turn brown and become necrotic over time.
  • The rot can then spread to other leaves in contact.

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• Signs : a blackish and airy mold more or less covers the rotten fabrics. Fruiting bodies in the form of tiny black pinheads are visible (Figure 3).
• Possible confusion :

• Production areas affected :