Citrus sooty mould
Citrus sooty mould is a powdery fungus that grows on branches, leaves, and fruit of citrus trees. Fortunately, it does little harm, and the fruit is edible. However, a severe coating of fungus can block light, adversely affecting plant growth.
Sooty mould is a symptom that your citrus trees have been invaded by harmful insects, usually an infestation of aph...
