Apparently not everywhere. For the future, I am planning to grow cuttings from the Gooseberries and the Currants to sell them and i will have to ask the buyers in which county they live because two neighboring counties haven't heart the trees falling…
You have no idea, how difficult it is to obtain gooseberries and currants! - Local nurseries - zilch and online very expensive if any available.
The peach and the plum tree are not so sensitive to fungus, but their bark is covered in lichen, which makes them more susceptible for - almost everything. That fungus treatment contains Copper Nitrate which should at least limit the growth of the lichen somewhat.
The old apple-trees that we bought with the land no longer bear fruits, but they are scarred from fungus infections. The two new apple-trees i have planted are Cox-Orange, my favorite apple, but there simply are no fungus resistant Cox-Orange trees available. Nobody cares for that cultivar anymore. I had to jump through countless hoops to get these two trees, even drive to a "nursery" in Virginia. - Of course, all the branches that i had to cut off this spring have been turned into cuttings…