Miniature Victoria Plum

Question

I have a plum tree with loads of fruit on it, but I think that I have an infection on the tree as the leaves are curling up and going black. Please advise on how to treat it.

Answer 1

This is sooty mold. It happens when the plant gets a pest infestation, likely aphids. I would recommend using neem oil, as this will get rid of the sooty mold fungus and kill the pests. Here is some articles that will help you:
https://www.gardeningknowhow.com/plant-problems/disease/how-to-get-rid-of-sooty-mold.htm
https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm
https://www.gardeningknowhow.com/edible/fruits/plum/control-leaf-curl-plum-aphids.htm