Mike from Jackson Nj writes
Unfortunately, Cease Biological Fungicide is not labeled to be used on apple trees. Bonide Liquid Copper Fungicide is labeled to prevent cedar apple rust on apple trees. You would need to apply to the new foliage and before the galls on the cedar tree have dried up. You can also find helpful tips and information from the following University of Minnesota Extension article: https://extension.umn.edu/plant-diseases/cedar-apple-rust.
Answer last updated on: 03/08/2023
