Sooty Mould on Australian Plants: Causes and Solutions

```html Introduction Sooty mould is a secondary fungal infection that follows sap-sucking insect damage. Learn identifying the underlying pest causing the mould — aphids, scale, whitefly, or mealybug — treating the cause rather than the symptom, and removing the mould from affected plants. In Australian gardens, sooty mould represents one of the most common yet misunderstood plant problems, particularly during warm, humid months when pest populations explode and fungal conditions thrive. T…