The Q&A Archives: Spraying Apple Trees

Question: We have an old apple tree that produces lots of apples, but they always have black marks on them and look deformed. Will spraying the tree help? What should I use?

Answer: For a home apple tree, the best prevention of this fungal problem (and many other problems) is to do a thorough clean up every fall, removing all fallen leaves and any left over fruit/leaves on the tree or on the ground, and disposing of it in the trash. This should limit sources of reinfection for the next year. If your tree is especially susceptible, you may also need to use a fungicide. There are several products available in your garden center. Choose one formulated especially for fruit trees and apply according to label directions. Best wishes with your fruit tree!

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