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White/Yellow Scaley Appearance on Cucumber Foliage

I have a raised bed garden. I’ve noticed white/yellow scaley areas on a few of the leaves. What might this be?


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3 Comments To "White/Yellow Scaley Appearance on Cucumber Foliage"

#1 Comment By doccat5 On 07/13/2011 @ 8:31 am

Sounds like the beginning of powdery mildew. Remove the diseased leaves and discard. You can use one of the Safer organic fungicides to control. With all the wet weather we’ve been having this is not surprising.

#2 Comment By Nikki On 07/13/2011 @ 10:08 am

Neem oil is also effective for powdery mildew. here is more information: [1]
[2]

#3 Comment By brenda On 07/14/2011 @ 8:09 pm

Thank you for all of the help. This is my first Garden ever! Having a ball:however very challenging. The white/yellow scaley appearance on my cucumber foilage Is due to whitefly.Spoke with someone at a local nursery,showed him cucumer leaf,he directed me straight to this Tomato&vegetable ready to use 3 in 1 insecticide,fungicide,and miticide.You can apply even before problems arise.Here in Az. they suggest spraying every 5 days. Wish me luck….here goes!


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[1] : https://www.gardeningknowhow.com/plant-problems/disease/powdery-mildew-homemade-and-organic-remedies.htm

[2] : https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm

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