Causal organism:
Laetisaria Fuciformis
Problem |
Red Thread |
Host Grass Types |
All cool season turfgrass species, particularly Perennial Ryegrass (Lolium Perenne) and Fescue (Festuca) |
Symptons |
Light brown spots can be seen on turf, which have a reddish appearance. Bleached patches. Red needles (Sclerotia) extend out from lesions in leaf |
Conditions that can favour the development of the disease
- Mild temperatures
- Low fertility
- Compacted soils
- Poor rooting
- Susceptible grass types/cultivars
Management strategy to reduce the likelihood of attack
- Applying adequate Nitrogen fertilizer as part of a programmed approach
- Apply the correct fertilizer according to turf situation and height of cut
- Aerate soil to encourage good root growth
- Select resistant grass cultivars
- Rarely needs fungicide control
Appropriate supporting ranges for the maintenance of healthy turf:
- SierraformGT
- Greenmaster Pro-Lite
- Sportsmaster
- Sierrablen Plus
- Sierrablen
- ProTurf
Preventative Strategy (Guidance Only)
Curative Programme (Guidance Only)