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Cucumber cotyledons with white spots

Posted by Jay5 7 (My Page) on
Fri, Apr 20, 12 at 19:02

I planted some cucumber seeds in Jiffy mix indoors March 30 and they are doing well except I have started seeing some of them with white spots on the cotyledons.

They are under lights 16 hours and have a fan on them on low about 8 hours.

The spots aren't powdery and they have air flow so I would think it wasn't powdery mildew at this stage.

Search came up with nothing.

Any ideas? Nothing to worry about?


Follow-Up Postings:

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RE: Cucumber cotyledons with white spots

  • Posted by Jay5 none (My Page) on
    Fri, Apr 20, 12 at 19:26

Just a follow up. Took a really good look and the spots are really thinned out places on the underside of the cotyledons, sort of sunken looking. Since the places are thin they look like spots on the tops of the leaves.


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RE: Cucumber cotyledons with white spots

Perhaps environmental stress.

Can you post images for us, please?


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RE: Cucumber cotyledons with white spots

  • Posted by Jay5 none (My Page) on
    Sun, Apr 22, 12 at 18:38

Sure thing. If it works that is. You may notice there are no spots on the regular leaves and to me other than this issue they look fine.

http://s1000.photobucket.com/albums/af129/jstringer5/


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RE: Cucumber cotyledons with white spots

Maybe your cotyledons are just dying, as they are supposed to at this point. If there are no spots on the true leaves, I wouldn't worry about it. But I would get them outdoors as soon as you can.


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