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Mottling on cucumber leaves

CitygirlCitygirl Posts: 23
in Problem solving
my cucumber seedlings have suddenly developed in the last 48 hrs a mottling if the leaves, and the most covered leaves have started to curl.  Any ideas?  They are indoors on a sunny windowsill. Water them every couple of days. Thanks!

Posts

  • BobTheGardenerBobTheGardener Posts: 11,384
    Looks like powdery mildew to me.  It may be treatable using anti-fungal sprays but I would start again if I were you, especially given the late start afforded to us by the weather;  Your plants are really too advanced to do well unless they'll be grown in a heated greenhouse.   The cucurbit family do best with uninterrupted growing conditions so I won't be sowing mine (which will be grown in cold greenhouse) for at least another 4 weeks, depending on the weather.
    A trowel in the hand is worth a thousand lost under a bush.
  • CitygirlCitygirl Posts: 23
    Thanks Bob.  May I ask, do you live north or south?  I know I was a bit too keen on planting these but never thought I needed to wait until end of April to sow?  I’m in London.  Thanks!!
  • Pete.8Pete.8 Posts: 11,340
    I very much agree with Bob - it's mildew and best to start again.
    I sowed my greenhouse cue's 16 April last year in a heated propagator and started picking them early June

    Billericay - Essex

    Knowledge is knowing that a tomato is a fruit.
    Wisdom is not putting it in a fruit salad.
  • BobTheGardenerBobTheGardener Posts: 11,384
    edited April 2018
    Hi Citygril, I'm in the East mids, just south of Leicester.  Which variety are you growing?  I'm trying 'Telepathy" F1 this year.
    PS:  The RHS guide to growing cucumbers is excellent. :)
    A trowel in the hand is worth a thousand lost under a bush.
  • CitygirlCitygirl Posts: 23
    Thanks Pete!

    Bob, I’m sticking with Marketmore this year. It’s only my 2nd year growing cucumber!  In fact I’ve only been growing anything for 3 years !
  • Pete.8Pete.8 Posts: 11,340
    My first year growing cue's was last year and I grew just 1 Cucino in a 15L pot - very impressed. I picked 12 on a single day last year and most days there were at least 2-3 ready to pick



    Billericay - Essex

    Knowledge is knowing that a tomato is a fruit.
    Wisdom is not putting it in a fruit salad.
  • BobTheGardenerBobTheGardener Posts: 11,384
    Those are prolific croppers and an outdoor type.  You can sow those outside directly in the ground in June and still get a good crop.  However, I'd start them end of April indoors - by the time they are ready it should be warm enough in London to plant out, I would think.
    A trowel in the hand is worth a thousand lost under a bush.
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