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| At least some of my plums are turning purple on the bottom. If I touch one of these plums, the plum and stem fall off the tree. It's a castleton plum. First year it's had fruit. It had blossoms last year, but the frost got them. It's loaded with plums. I thinned some. Probably should have thinned more. I've sprayed 3 times with triazicide. The first time about a week after petal fall (I probably should have sprayed earlier but I was out of town.) I don't see any insects or insect marks on the fruit. The purple bottoms look like a nasty human bruise. What's wrong with these plums? What's the solution? Thanks. |
Follow-Up Postings:
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- Posted by scottfsmith 6B-7A-MD (My Page) on Sun, Jun 2, 13 at 20:13
| Plums often thin themselves in June, its called June drop. If the plums are still really small they may just have not pollinated properly; the aborted ones change color and fall. Scott |
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| Isoh, I have the same problem I sprayed with triaz. just yesterday and overnight the bottom of many of my plums have turned deep black/purple and are soft. Too much spray? This has never happened before. My crop is quite large so I expect June drop. But it looks as if my spray had some affect on the plums. Ugh, Mrs. G |
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| One effect of infestation by the larvae of pests like PC is premature coloring, followed by drop. |
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| Thanks much for the quick responses. I'm a beginner, so m perception may be wrong, but I wouldn't say they are small. They are about the size of a small chicken's egg. Only the bottoms are purple, so far anyway. |
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