Mold/fungus on yellow squash in SW Portland - Ask Extension
I am trying my hand, growing zucchini and cucumbers in one raised bed, and tomatoes and two others. I got several good zucchini (yellow squash) but ...
Knowledgebase
Mold/fungus on yellow squash in SW Portland #879439
Asked July 30, 2024, 2:20 PM EDT
I am trying my hand, growing zucchini and cucumbers in one raised bed, and tomatoes and two others. I got several good zucchini (yellow squash) but now I have some substantial mold or fungus and I'm wondering what it is and what to do?
Multnomah County Oregon
Expert Response
Thank you for your question. I cannot see photo #1, but photo #3 clearly shows blossom end rot. The following explains the problem and how to address it: https://pnwhandbooks.org/plantdisease/host-disease/squash-cucurbita-spp-blossom-end-rot
I hope this helps. Good luck!
I hope this helps. Good luck!
On Jul 30, 2024, at 4:08 PM, Ask Extension <<personal data hidden>> wrote:
Dear doug8x10, here's the response to your question:
Thank you for your question. I cannot see photo #1, but photo #3 clearly shows blossom end rot. The following explains the problem and how to address it: https://pnwhandbooks.org/plantdisease/host-disease/squash-cucurbita-spp-blossom-end-rot
I hope this helps. Good luck!
Thank you for your help - I will see if I can address the calcium deficiency the article mentioned. Here is that photo that did not show up for you
Thank you much for your help and sharing your knowledge.
-Doug, Portland
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As the article indicates, you now have a secondary fungus and/or bacteria growing on the surface.
