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Sat, Aug 2, 14 at 17:59
| These symptoms showed up on a few of my Meteors and Balatons. These were planted last fall. The Montmorency trees, planted this spring, all around these had none of these symptoms. It is not showing up on all of the meteor and balatons either, there is no pattern. Anybody have any ideas? |
Follow-Up Postings:
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| I didn't think it was leaf spot because of the pattern I see here. Most of the examples I found online for leaf spot do not show any black up and down the spine of the leaf. Mine have developed a black center down the spine. |
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- Posted by scottfsmith 6B-7A-MD (My Page) on Sun, Aug 3, 14 at 0:08
| Did you spray something on them? The spine is a trough that collects spray liquids so when its off like that its a sign a spray may have been the problem. Besides that I don't have a good guess. Scott |
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| I agree, if you sprayed it with something like Safer's Soap, which I think is mainly potassium salts, those salts become concentrated as the product dries and can do significant damage to the leaves if not washed off a few hours after spraying. |
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| I haven't sprayed these with anything. |
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- Posted by scottfsmith 6B-7A-MD (My Page) on Sun, Aug 3, 14 at 12:26
| Then the disease probably spread in a similar manner, a light rain moved spores elsewhere on the leaf to the spine. I would probably assume and treat like it is bacterial spot, if it is not spot it is a similar disease. Spot also takes on many guises depending on the weather etc, I have had many cases where I thought I had a new disease and it eventually showed its true colors. Treatment is dormant strength copper at leaf fall and again at bud swell in spring. Scott |
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| That makes sense. Thanks Scott |
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