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Symptoms of Choanephora cucurbitacearum on spring onion

 

  • Organs attacked :
Leaves Fruits Stems

 

  • Symptoms :
    • amplification of lesions and drying out occurring at the end of the leaves (figures 1 and 2) or elsewhere on the leaf blade (figure 3).
  • Signs : a blackish and airy mold more or less covers the rotten fabrics. Fruiting bodies in the shape of small pinheads are visible (figure 2).
  • Possible confusion :

 

  • Production areas affected :
Guyana
Last change : 07/21/22
Choanephora-Ciboule2
Figure 1
Choanephora-Ciboule3
Figure 2