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ERI[Couchgrass Decline] Situation: Couchgrass turf areas.

Turf damage: Symptoms of ERI disease can include straw-coloured patches that range in size from 30cm to 1 metre in diameter.

Occurrence: Ectotrophic root-infecting fungi (ERI fungi) are a factor in causing patchiness and poor root health in couchgrass. The term ‘ectotrophic’ means these fungi grow over the root surface before they penetrate into the inside of the root. ERI fungi refer to a number of fungal species.


Apply Dedicate® on a preventative program.