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Symptoms of Choanephora cucurbitacearum on cabbage

  

  • Organs attacked :
Leaves Flowers
Fruits Stems

  • 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.
  • 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 :
Guyana
Last change : 07/21/22
Choanephora-Choux1
Figure 1
Choanephora-Choux2
Figure 2