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Symptoms of root-knot nematodes on Cucurbitaceae

  

  • 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 :
Mayotte Reunion Guyana

 

  •  Meloidogyne spp. reported on Cucurbitaceae :
Last change : 07/07/22
Meloidogyne5
Figure 1
Meloidogyne_courgette_DB_639
Figure 2
Meloidogyne_courgette_DB_636
Figure 3
Meloidogyne3
Figure 4
Meloidogyne_courgette_DB_638
Figure 5
Meloidogyne4
Figure 6
Meloidogyne9
Figure 7
Meloidogyne_Melon2
Figure 8
Meloidogyne7
Figure 9
Meloidogyne8
Figure 10
Nematodes-Concombre
Figure 11
Nematodes-Concombre1
Figure 12
Nematodes-Concombre4
Figure 13
Nematodes-Concombre3
Figure 14
Nematodes-Concombre5
Figure 15