Red Thread

  • Whastsapp

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)