Fungal

Question

I have an advocardo plant growing in my conservatory and the leaves have whit dandruff look how do I treat it Thank you

Answer 1

This could be, either, powdery mildew or downy mildew. Here are some articles to help:

https://www.gardeningknowhow.com/special/greenhouses/greenhouse-powdery-mildew.htm

https://www.gardeningknowhow.com/plant-problems/disease/downy-mildew.htm