Symptoms of Choanephora cucurbitacearum on Solanaceae

• Organs attacked :

• Symptoms :
  • Colonization of senescent petals and destruction of whole flowers which rot, brown or even blacken.
  • Abortion of young fruits; moist lesions on fruits (initiating from senescent sepals or remnants of floral parts, wounds) rapidly evolving into moist and soft rot (figures 1 and 2 - aubergine) (figures 6 and 7 - pepper).
  • Damp, dark green to brown lesions on stems (in the cortex in particular) causing leaf wilting and drying.
  • Wet damage on leaflets and on leaves evolving into rot (figures 3 to 5 - aubergine)(figure 8 - pepper).
  • Rotting and destruction of young shoots.

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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.
• Possible confusion : rots with Mucorales ( Rhizopus , Mucor ), Botrytis

• Production areas affected :