Vegetables and Fruit forum: Please help identify this butternut squash leaf disease?

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Melbourne, Australia [AU zone
whoatemylettuce
Feb 26, 2018 3:02 PM CST
Can someone help me identify what kind of disease this butternut squash has please?
Thank you very much!

Extra information - daily watered, summer time here (Australia with max temperature about 33 deg C - 90 deg F? during this event), disease appears and spreads within 1 week, fruits appear to be fine, fertilized with liquid fertilizer every 14 days.

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Name: Dillard Haley
Augusta Georgia (Zone 8a)
Garden Ideas: Master Level Avid Green Pages Reviewer Celebrating Gardening: 2015
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farmerdill
Feb 26, 2018 3:29 PM CST
My first guess would be Downy Mildew (Pseudoperonospora cubensis). I have not encountered Gummy Stem Blight(Didymella bryoniae) but its description could fit your situation. http://www.clemson.edu/extensi...
http://www.dpi.nsw.gov.au/__da...

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