Silverbeet fungus?

Posted by Kt Pidgeon on February 14, 2010 at 12:48am
Help, I always thought even if everything else failed anyone can grow silverbeet! And I have, up until now. Now 3 out of 4 of my silverbeet plants are covered with something that looks like dust and can be rubbed off with minimal effort but I'm thinking it's something growing over the leaves as one plant is still perfect. Any ideas?

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Replies

  • marjolijn vos February 18, 2010 at 2:31am
    My rock melon plants have powdery mildew. I snapped off all the affected leaves and I put them straight into therubbish, not my compost. I made up a baking soda/detergent spray and I've used it twice in the last few days. I'm going to leave it for a week now. I've got so many melons, I hope the plants can cope with this weather. Good luck with your remaining silverbeet Kt.... put some seeds down!
    • Penny Guy > marjolijn vos February 21, 2010 at 2:35am
      Curcubits (cucumber, zucchini, melon) are very prone to powdery mildew but I've never heard of it on silverbeet before.
  • Craig Bovaird February 17, 2010 at 11:14am
    http://plantclinic.cornell.edu/FactSheets/powdery/powdery.htm
    • Kt Pidgeon > Craig Bovaird February 17, 2010 at 11:38pm
      Thank you everyone, that is exactly what's wrong.
  • Craig Bovaird February 17, 2010 at 11:10am
    I just noticed the same thing on several leaves of my squash plant so I'm also interested in what this could be,
  • Romain and Lucy February 14, 2010 at 1:34am
    powdery mildew??? what colour is it?
    • Kt Pidgeon > Romain and Lucy February 14, 2010 at 6:56am
      It is white. I'd never heard of powdery mildew. It could be.
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