Ask a Question forum→New Acorn Squash... leaf issue

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Maui (Zone 11b)
May 17, 2020 4:43 PM CST
These are from seed from a squash I cooked. They were healthy and happy in their little pots until I transplanted them 2 weeks ago. The first image has whitish leaves...all the leafs are discolored and wrinkly. They have a white ting to them but it doesn't look like PM. 1 plant per hill 3 feet apart. In direct sunlight 7 hours a day. The 2nd image is one hill with 2 plants in partial shade for 2 hours and direct sun for 5 hours. Any ideas? Mahalo!
Thumb of 2020-05-17/BettyDavis/09430e

Thumb of 2020-05-17/BettyDavis/fce9f6

Name: sumire
Reno, Nevada (Zone 6a)
May 17, 2020 11:41 PM CST
It looks like powdery mildew. I think that it can be treated with a fungicide but it is not a usual squash problem for me to have.

(This answer at least will send it back up to the top of the list and someone with more powdery mildew experience can add in...)
Maui (Zone 11b)
May 18, 2020 1:47 AM CST
Aloha Sumire,

Mahalo for your response. Yes that's what I thought but it's not like the normal PM I've seen. I tried treating it with an organic fungicide and we will see over the week how it goes.


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