I've read some articles about it and most of them say that applying mancozeb fungicide is also a good treatment, what do you think about it?
@Acerholic today some leaves of red maple were like this :/ I removed them, and applied copper three days ago
sure I will let you know how it goes :)
thanks @Acerholic the same happened last spring, tomorrow I will spray copper fungicide on them.
Hello, I'm vinicius from Brazil, I have some maple trees. Right now it is spring here and they are starting to grow but my red maple (Acer rubrum)...