19 February 2021 11:37 AM
Thank you for contacting Yates.
Looks like the plant is affected by scales. To control, try 'Yates Pest Oil - Insect Control Spray'. It's available in both a convenient ready-to-use spray and a concentrate form. Controls citrus leaf miner, scales, mites, mealybug, aphids and white fly on citrus, grapes, fruit trees, roses and ornamentals. Click here for more info on this product: https://www.yates.com.au/product/garden-pest-control/yates-pestoil-concentrate