Root Knot Symptoms on Peach

Root Knot: (Nematode - Meloidogyne spp.) Use resistant rootstocks. See root knot nematode.

Peach Rootstock and Their Reaction To Root Knot Nematode

  
     Rootstock               Root Knot (Meloidogyne sp.)
     Nemaguard                        Resistant  
     Lovell                           Susceptible  
     Elberta                          Susceptible  
     Nemared                          Resistant (Has not been
                                      extensively evaluated 
                                      in Texas)
Different races exist within root knot species. Some have been shown to attack "resistant rootstocks" under greenhouse conditions.
February, 1996