Scorias is a genus of fungus within the Capnodiaceae family.[ Tom Volk's Fungus of the Month ]
Characteristics
The mycelium of these fungi have parallel walls and form a thick spongy mass. The perithecium is round and long stalked and the spores have four cells.
[ Westcott's Plant Disease Handbook]
Effects of sooty mould
Sooty moulds grow in thin black layers on leaves on which aphids, witefly or other sap-sucking insects have deposited their honeydew. It does not grow
Parasite but it harms plants indirectly and is also unsightly. The mould coats the leaves and this blocks out light and makes
photosynthesis less effective. Plant growth can be reduced, leaves covered in mould may die prematurely and there may be a reduction in fruit yield.
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