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RE: Build A Fruit Picker For Next to Nothing!
@phedizzle. You're welcome. The greyish stuff is called sooty blotch. It will wash off typically. You can read about it here Like you said, it will wash off and it's not harmful at all.
Guilty! Neglected underpruned trees! Makes a lot of sense. Thanks for the link! Bookmarked! We had a horrible case of a variety of fungal diseases on our apples last year. We've got a pear tree in horrible need of pruning, too.