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Nematode Profile
Spiral nematode
Helicotylenchus spp.
All Turfgrasses Moderate Nematode
A very common ectoparasite that contributes to root decline mostly at high populations.
Identification
Lab diagnosis. Generally nonspecific symptoms; high counts associate with thinning and weak roots, often with other nematodes.
Symptoms & Damage
Subtle thinning
Weak roots at high counts
Part of a complex
Favorable Conditions
Sandy soils, warm conditions.
Cultural Management
Promote root health; rely on assay thresholds
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.