Red Thread

  • Whastsapp

Causal organism: 
Laetisaria Fuciformis

Red Thread
Host Grass Types
All cool season turfgrass species, particularly Perennial Ryegrass (Lolium Perenne) and Fescue (Festuca)
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)