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Nematode Profile
Cyst nematode
Heterodera spp.
All Turfgrasses Moderate Nematode
An endoparasite whose females swell into hardy cysts on roots; persistent and difficult to control without destroying the turf.
Identification
Lab diagnosis. Lemon-shaped females (cysts) form on roots; aboveground stunting, chlorosis, and reduced vigor. Cysts are highly persistent in soil.
Symptoms & Damage
Cysts (swollen females) on roots
Stunting and chlorosis
Persistent decline
Favorable Conditions
Warm soils; cysts survive long without hosts.
Cultural Management
Maintain root health; assay to confirm (control is difficult)
Further Reading
University extension resources — open in a new tab.
Related Reports
No published reports yet for this pest.
Reports will appear here as they are peer-reviewed and published.