Problem Cucumbers – Is it Anthracnose, Downy Mildew or…?

HELP!!!

I don’t pigging believe it – the cucumber plants I’m growing in pots are dying…

The picture below, taken in July 2012, shows a healthy cucumber plant.

My healthy cucumber July 2012
My healthy cucumber July 2012

However, by August brown spots had appeared on the plant and the baby cucumbers failed to develop. A little research revealed the problem could either be caused by a fungus called Anthracnose or Downy Mildew. Or could it be something else?

August Cucumber leaves with brown spots
August – Cucumber leaves with brown spots

And to top it off I then discovered another cucumber plant has white mold growing on the stems. I wonder if it is Sclerotinia Stem Rot?

August - Cucumber with white mold on stem
Cucumber with white mold on stem

The baby cucumber plants I’m bringing on to provide Autumn cucumbers are also affected. So I need to find a cure…urgently!

I’m now off to search for, and trial some natural recipes – baking powder and milk seem popular ingredients – I hope they work!

If you have any suggestions re. diagnosis and/or natural cures please, PLEASE share in the comments section below.

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15 thoughts on “Problem Cucumbers – Is it Anthracnose, Downy Mildew or…?”

  1. A lot of times things like powdery mildew are caused from cool weather and too much water or it could be exact opposite and not enough water, I know it doesn’t make any sense at all. Feeding the plants may help and take the really crappy leaves off and throw them in the trash. Use whatever kind of biological fungicide you are able to buy there, if any…but try to be consistent with how wet the plant is and water in the morning if you can…I have had a hell of a time with my Zucchini’s this year and usually I can’t give the beggers away…good luck!

    1. Hey thanks RNP long time no speak! Thank you for the tip re. morning watering. I always water in the evening. I am trying the milk/water solution. Fingers crossed. Shame about your Zucchini, I wonder why?

  2. Sometime the hardest part of growing veg & fruit is identifying the correct disease/bug to treat. Fortunately my cucumbers were disease free (I only grew them one year) so can’t offer any advice. Hope you find a solution for the next batch. Cath

  3. Sometimes the hardest part of growing veg & fruit is identifying the correct disease/bug to treat. Fortunately my cucumbers were disease free (I only grew them one year) so can’t offer any advice. Hope you find a solution for the next batch. Cath

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