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Thread: Cucumber Q

  1. #1
    Argonaut is offline Seedling
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    Default Cucumber Q

    As cucumber is technically a fruit - posting Q here

    Fi mini cucumber plants in unheated greenhouse are growing .. but lower leaves (original ones) are going very blotchy . Top leaves are fine . Anything I should be doing.
    (assorted pictures attached)
    Have been spraying with Epsom salt solution in case its magnesium deficiency


    Attachment 55842

  2. #2
    Scarlet's Avatar
    Scarlet is online now Gone with the Wind
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    My first thought was cucumber mosaic virus but I don't think its that. I think it's possible damage from frost. Are you keeping them outside in the green house? They really need a minimum of 10 degrees at night for them to be happy. Also, I think I can see water on the leaves? They really don't like that, water from the bottom of the container or stick a pop bottle by the side and water into that.
    Last edited by Scarlet; 18-05-2015 at 06:43 PM.

  3. #3
    WendyC is offline Early Fruiter
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    It's a little early in the season but I am always suspicious of red spider mite on cucumbers. They literally suck the leaves dry. Look underneath the leaves, with a magnifying glass if you have one, are there any tiny reddish spider like creatures or even some webbing?

  4. #4
    Jungle Jane's Avatar
    Jungle Jane is online now Early Fruiter
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    It does look like there's water on the leaves,it could be sun damage,the suns been hot. Bottom leaves do get a bit rough looking,how tall is your plant?

  5. #5
    Argonaut is offline Seedling
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    Exactly same problem this year ... welcome any other suggestions.

    I know some have said don't get water on the leaves - only water on leaves is when I spray on Epsom salts mix .. can't avoid it then.

    Have examined with magnifying lass - no mites seen.
    Last edited by Argonaut; 22-05-2016 at 12:51 PM.

  6. #6
    Jjherts is offline Germinator
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    Default Cucumber leaves

    Remove yellowing leaves in case of powdery mildew... Then give a nice feed with a sprinkle of Epsom salts...

  7. #7
    Jungle Jane's Avatar
    Jungle Jane is online now Early Fruiter
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    If the leaves have been in direct sun it can burn them,water on the leaves in the sun will damage them more than just the sun. Epsom salts doesn't cure it does it? Do you feed them anything like a nitrogen feed for the leaves or a high potassium feed for the cucumbers growth? But it could just be sun damage I don't remove leaves unless they're completely dead,they're not diseased & it wont spread or anything,once the plant grows lots more leaves it will cope with having one or two removed. A tomato plant next to the cucumber could give some partial shading or something else? Have the plants leaves been in direct sun & do you spray them in the morning or in the evening after the suns gone down?

  8. #8
    Argonaut is offline Seedling
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    I'll try a feed ..... maybe dried blood
    I have been spraying (only twice) with epsom salts mix in evening.

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