• Lawn grass with red thread disease
  • Pink spores from red thread disease on lawn grass
  • Red thread lawn damage
  • Lawn grass with red thread disease
  • Pink spores from red thread disease on lawn grass
  • Red thread lawn damage

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Red Thread

Red thread infects the leaves of grasses causing irregular patches of red grass on lawns.

Identifying

Red thread infects the leaves of grasses causing irregular patches of blightened turf with a pink or red tinge.

Red thread is common in spring and autumn, usually when nitrogen levels are low. It can be easily identified by red patches which grow on infected grasses. At first grass looks wet, then dies and turns pink/red.

Fungal diseases on lawns are exacerbated by stress caused by draught, poor drainage, low soil fertility, soil pH and excessively low cutting.

Solving

Apply PLANThealth Thiram Fungus Control  every 10-14 days on grass to control red thread. Small areas can be treated with PLANThealth Rose Force .

LawnPro Mossclear can also be used to control red thread in lawns. It will kill the spores of the fungus and prevent spread. Use it after control has been achieved with PLANThealth Thiram Fungus Control .

Feed well with fertiliser to encourage healthy grass growth.

Fungal diseases on lawns are exacerbated by stress caused by draught, poor drainage, low soil fertility, soil pH and excessively low cutting. Try to address any ways that your lawn may be under stress; improve drainage if over wet, water if over dry, adjust soil pH to 6.5-7.0 or raise the cutting height of your lawn mower.

Did you know

Red thread is caused by the fungus Laetisaria fuciformis.

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