I have a yellow powder type of fungus on my miniature willow tree ( sorry, don’t know the real name)… can you help?

Question

Photo attached. There is a yellow powdery growth on the leaves and stems of our dwarf tree … can you identify and tell me what I need to do to get rid of it?  Please .

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Answer 1

This is a rust fungus! They can be easy to get rid of, though. Dispose of what you can, then treat with a fungicide.

These articles will help:

https://www.gardeningknowhow.com/plant-problems/disease/learn-about-plant-rust-disease-and-rust-treatment.htm

https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm