globalart4u wrote:

our plum tree once again this year has had some kind of black stuff on
it and lots of black flies. all the branches this year turned black is
there anything that i can do for it? it is only 4 years old and i
think it may have gone to my apple tree which is near it?

--
globalart4u

I hope you don't have fireblight. If you do, cut it all out and dispose of
it.
There is basically no practical cure for it.

Sherwin