EENY339: Stubby-Root Nematode, Paratrichodorus minor (Colbran) Siddiqi (Nematoda: Adenophorea: Triplonchida: Diphtherophorina: Trichodoridae: Trichodoridae)
Figure 7. Potato tuber with internal brown arcs, a symptom of corky-ringspot disease transmitted by stubby-root nematode.