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Symptoms on Sweet Potato 

  

  • Organs attacked  :
Leaves flowers

Roots, tubers

 

  • Symptoms :
    • Plant growth rather slow, with an upright habit and many small stems (figure 1).
    • Smaller, chlorotic and slightly rolled leaves (Figures 2 and 3).
    • Roots of reduced size.
  • Signs  : no visible signs, confirm the possible presence of vectors.
  • Possible confusion : herbicidal phytotoxicity, nutritional disorder, asphyxiation, etc.
  • Production areas affected :
New Caledonia

 

  • Phytoplasmas reported on sweet potato :
    • Candidatus Phytoplasma aurantifolia (16SrII-B)
Last change : 07/07/22
Phytoplasme-Patate-douce2
Figure 1
Phytoplasme-Patate-douce1
Figure 2
Phytoplasme-Patate-douce3
Figure 3