• Ecophyto
  • Logo-Cirad
  • RITA
  • Logo-CA
  • FREDON
  • LPA-COCONI

Symptoms of root-knot nematodes on cabbage

 

  • Organs attacked
Roots

 

Gradually browning white galls, their sizes may vary depending on the species of Meloidogyne .

  • Swellings more or less tortuous and extended along the roots.

  • Leaf chlorosis and leaf wilt occurring during the hottest hours of the day.

  • Reduced plant development and fruit size.

  • Distribution of diseased plants in foci

 

  • Signs : mature females evidenced by making a cross section in the galls.
  • Possible confusion : very specific root symptoms, beware of legumes not to confuse galls with nodules.
  • Production areas affected :
Guyana
  •  Meloidogyne spp. reported on cabbage :
Last change : 07/07/22
Meloidogyne-Chou2
Figure 1
Meloidogyne-Chou1
Figure 2
Meloidogyne-Chou3
Figure 3
Nematode_Chou
Figure 4