Peanut root knot nematode (Oklahoma State Univ.)

Causal Agent: Meloidogyne arenaria

Hosts: Peanut

Symptoms: The peanut root knot nematode is noted particularly for its production of galls on peanut pods. These galls also occur on peanut pegs and roots. When severe, the galls will impart a black, warty appearance to pods.