plums are leaking a gummy substance and turning black
Plums on my tree are leaking a gummy substance and turning black. What is it and can I do anything about it? I want to know if I can save this year's crop of plums.
From your description it's difficult to tell exactly which plum disease is attacking your tree. This article has information on common diseases: https://www.gardeningknowhow.com/edible/fruits/plum/plum-tree-diseases.htm
You can get a positive identification through your local master gardener association. This link will help you find the nearest one: