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Wed, Jul 23, 14 at 8:53
Hello, on two if my cucumber plants the leaves are getting yellow spots and eventually wilt. I have already picked many cucs off of them before this happened. Is this the dreaded cucumber wilt? There are still a few cucs on the plant and they seem to be growing. Will they be affected from whatever is killing the rest of the plant? The other three plants which I started from seed at the same time are perfectly healthy. Should I worry about this spreading to them? Thanks!    |
Follow-Up Postings:
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| Looks like downy mildew. |
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| Pick that cuke or it will shut down further production. My thought about the 2nd image is heat/sun damage -- ran short of water. |
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| Looks like the same thing I have which I think is mildew, I spray with Immunox for garden, It seems too help but I plant 6 hills an 3 plants to a hill so I have plenty of cukes if a plant or 2 dies, I just now have all my canning of cukes done an I have plenty to give away. |
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| Agree - Downey Mildew. Dave |
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| Immunox is good at preventing powdery mildew but not downy mildew, which despite the name is an entirely different disease. A mix of chlorothanolil and mancozeb is probably as effective as anything against it. But this is another of the diseases that it's easier to prevent than cure. |
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