Author Topic: yellowing cucumber leaves  (Read 1002 times)

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Offline onefinookas

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yellowing cucumber leaves
« on: July 07, 2010, 02:54:25 PM »
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  • Seems like the older leaves are yellowing, am I overwatering?  Is it normal, the newer leafs seem green and healthy.  Enquiring gardeners want to know?
    "paddleboarding is bullshlt, where's my wine" anonymous

    Offline PTSD

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    Re: yellowing cucumber leaves
    « Reply #1 on: July 07, 2010, 03:44:24 PM »
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  • We really do!

    Offline little_nasty

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    Re: yellowing cucumber leaves
    « Reply #2 on: July 07, 2010, 04:55:28 PM »
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  • might they just be old?

    Offline snaggletooth

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    Re: yellowing cucumber leaves
    « Reply #3 on: July 07, 2010, 05:35:27 PM »
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  • might they? i dare say not, kind fellow. they are but tender adolescents, the epitome of youth save for their disfiguring jaundice.
     
     

    Offline little_nasty

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    Re: yellowing cucumber leaves
    « Reply #4 on: July 07, 2010, 05:47:45 PM »
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  • lmao - that's epic prose, woman!

    too hot?  root problem?  maybe just a cowardly batch?

    Offline onefinookas

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    Re: yellowing cucumber leaves
    « Reply #5 on: July 08, 2010, 12:54:57 AM »
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  • too hot, i dont know.  Overwatered underwatered today didnt help.  I know mold and blight so I say this isnt it but the heat may be overwhelming, i thought cucumbers were tropical but maybe they require more shade.  As for the batch, these were seedlings I started from heirloom, they are stronger than the other to batch of commercial crap which are not producing anything.  My compost cucumbers and tomatoes are a whole nother topic.  Chopchaser, JerseyJen any opinions, Manbearpig ask the powers that be their opinion.
    "paddleboarding is bullshlt, where's my wine" anonymous

    Offline flower box

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    Re: yellowing cucumber leaves
    « Reply #6 on: July 08, 2010, 10:23:49 AM »
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  • my cucumber leaves were pale yellow from too much water. i slapped down some fish/seaweed stuff from dee's in oceanside and they're doing much better.
    CAUTION: Contents under pressure. May cause irritation. Keep away from children. Do not expose to extreme heat or cold.
    Wash thoroughly after handling.

    Offline flower box

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    Re: yellowing cucumber leaves
    « Reply #7 on: July 08, 2010, 10:24:27 AM »
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  • ^ in addition to watering less
    CAUTION: Contents under pressure. May cause irritation. Keep away from children. Do not expose to extreme heat or cold.
    Wash thoroughly after handling.

    Offline ChopChaser

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    Re: yellowing cucumber leaves
    « Reply #8 on: July 08, 2010, 10:41:41 AM »
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  • Cucumbers are tricky, water only in the morning on the root not the leaf so they have all day to dry off, eventually they will die pretty quickly as mine did last year after a wet season. All you can hope for is to get some produce before the fungus and bacteria gets them. This year I am trying some resistant seeds, so far doing well.


    Here are some useful tips for cucurbits from UND ag department:
    http://www.ag.ndsu.edu/pubs/plantsci/hortcrop/pp656w.htm




    • Use clean, healthy, good quality seed.
    • Use crop rotation. Whenever possible, do not plant cucurbits on or next to land that had cucurbits in the last three years.
    • Do not plant cucurbits near woods or brushy areas that may be weedy. Many weeds harbor cucurbit diseases.
    • Plant seed in the garden after soil temperatures are at least 65 degrees Fahrenheit, or set out transplants started 2 1/2 weeks earlier indoors.
    • Control all weeds in and near the cucurbit patch. Be sure to control perennial weeds, which can be a source of overwintering cucurbit disease organisms.
    • Plant several rows of corn around the cucurbit patch, or at least on the windward side. This helps keep out aphids that carry cucurbit virus diseases.
    • Control aphids and cucumber beetles. Begin control when the plants emerge from the soil.
    • Destroy volunteer cucurbit plants. These can harbor cucurbit disease organisms.
    • Do not enter the cucurbit patch to cultivate or pick while the the plants are wet. Water helps spread disease.
    • Do not cultivate after the vines are 18 inches long. It is difficult to not damage plants once they are vining.
    • Remove and destroy all diseased plants.
    • Avoid poorly drained areas of the field and areas where water collects in rainy periods.
    • Remove and destroy all crop refuse in the fall. Plow or spade the soil to bury all remaining crop refuse.
    • Use disease resistant varieties, if available.
    • Use fungicides as needed or whenever rainy humid weather favors fungal diseases.
    « Last Edit: July 08, 2010, 10:57:57 AM by ChopChaser »
    ___/\___/)___/|___/(___/C___/c___/o___o___

    Offline Looseness

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    Re: yellowing cucumber leaves
    « Reply #9 on: July 08, 2010, 11:27:43 AM »
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  • "cucurbits" ??
    It's no better to be safe than sorry....

    Offline snaggletooth

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    Re: yellowing cucumber leaves
    « Reply #10 on: July 08, 2010, 01:05:21 PM »
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  •  
    we got this one last week - it was delicious

    Offline PTSD

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    Re: yellowing cucumber leaves
    « Reply #11 on: July 08, 2010, 04:27:37 PM »
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  • If that's what you got last week tell 1fin to shut his fingers up. That's pretty amazing.

    Offline Crackie Onassis

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    Re: yellowing cucumber leaves
    « Reply #12 on: July 10, 2010, 02:04:55 PM »
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  • We had a problem with yellowing/dying zucchinis.

    So heavy you can't even pick it up.

    Offline flower box

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    Re: yellowing cucumber leaves
    « Reply #13 on: July 10, 2010, 02:13:27 PM »
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  • I stopped over and looked at your cukes. i bike by there at all hours of the day but never noticed if that spot gets any shading from the building across the street or if its full blast sun all day.

    the yellowing resembled mine recently and I cut back on water during the day (only do early morning)(don't do night anymore since i learned bugs like that) and moved them to a place with less full blast sun and they seem happier. plus i gave em that fish stuff.

    maybe you could clip off a couple of those uber yellow leaves and try to help the ones on top? that might help at least get nutrients to the leaves that are healthier.


    keep us posted on the cukes - it seems to be something  gardeners have experienced at all experienced levels (me being an overly active novice).
    CAUTION: Contents under pressure. May cause irritation. Keep away from children. Do not expose to extreme heat or cold.
    Wash thoroughly after handling.

    Offline hubert

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    Re: yellowing cucumber leaves
    « Reply #14 on: July 14, 2010, 05:48:39 PM »
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  • older leaves will yellow, crisp up and die off.  cukes and s. squash both like a fair amount of space as they set down large root systems.  i know you usually plant tightly... perhaps this is part of the problem.


    either way plenty of time to plant more.