Fusarium
The causal agent of fusarium is Microdochium nivale and most cool season grasses can be affected, particularly during periods of cool, humid weather in late autumn.
Problem Overview
The causal agent of fusarium is Microdochium nivale and most cool season grasses can be affected, particularly during periods of cool, humid weather in late autumn. It is seen as very rapidly developing circular patches of 25-50mm in size and the leaves become brown and mushy. Tan blotches are first observed on the tips of leaves. It is more prevalent in established lawns that are burdened with large amounts of thatch.
Solutions
The formation of this disease is discouraged by high levels of sulphate and potash as well as acidic conditions. A balanced fertilizer regime such as regular applications of Finelawn Gold fertilizer therefore is generally effective against the establishment of Fusarium.
- Apply this product every 10 -12 weeks at 35gms/m2 or 3.5kgs per 100m2.
- De-thatch the lawn in autumn.
Other Similar Lawn Problems
Slime Moulds
The causal agents for this disease include many Basidiomycete spp. It is generally seen in winter when cool and wet
Dollar Spot
The causal agent for Dollar Spot is Sclerotinia homoeocarpa and all turf grass species can be affected.
Leaf Spot on Ryegrass
The causal agent for Leaf Spot is Drechslera & Curvularia spp. and it can affect all turf-grass species.
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