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Disease
Slime Mould
Slime Mould
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Causal Agent:
Mucilago
spp.,
Didymium
spp. &
Physarum
spp.
Susceptible Turfgrasses:
All turfgrass species.
Symptoms
Fruiting bodies may smother grass blades turning them grey, pink, purple, white or yellow.
Affected turf forms rings up to 60cm in diameter as the Slime Mould grows outwards.
No immediate damage to turfgrass is evident as slime moulds are not plant parasitic.
Fruiting bodies may become so thick on leaf blades that they may reduce the photosynthetic ability of individual leaves.
The rings normally disappear within 2 weeks.
Conditions Favouring Disease
Excessive thatch favours slime mould development.
High levels of soil organic matter are a food source for Slime Mould so contribute to a favourable environment.
Cool, wet, humid weather is ideal for fruiting body development.
High cut, unmaintained turfgrass with infrequent mowing.
Click to Download
Slime Mould Info Sheet
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