Photo by Jonathan Eisenbeck, Nemapix vol.1 Light micrographs of the anterior end of second-stage juveniles of the four most common species of root-knot nematodes: M. incognita, M. javanica, M. arenaria, and M. hapla
Root Knot Nematode
Plant-parasitic nematodes reduce annual U.S. agricultural production by more than $5 billion. The most important group are the root-knot nematodes (RKN: Meloidogyne spp.), which are devastating pathogens of food and fiber crops.