That’s what I keep hearing , but I was told just to remove the leaves showing it - and it shouldn’t affect budding much ? These are all 6 ft to 11 ft beauties , and they seem to be getting it from surrounding vegetation .Wow I think Im starting to recognize things lol. Could be wrong but looks like septoria. Thought I had it once. The bulls eyes are giveaways. Hell I myself am down on my luck.