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Old 06-26-2019, 08:06 AM
 
491 posts, read 222,615 times
Reputation: 336

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We live in Chicagoland. For the first time we observe this lilac disease.
The first picture shows three white lilac trees.
The second picture shows two leaves, damaged by fungus or virus (?).
How do I get rid of this, please?
Thank you.
Attached Thumbnails
Lilac disease-100_2456.jpg   Lilac disease-100_2455.jpg  

Last edited by Maple47; 06-26-2019 at 09:13 AM.. Reason: Sorry, I forgot to attach pictures!
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Old 06-26-2019, 09:46 AM
 
Location: Out there somewhere...a traveling man.
40,383 posts, read 49,933,748 times
Reputation: 113600
These 2 web sites should answer all of your lilac questions for powdery mildew and leaf curl with black edges.

Powdery mildew...
https://www.gardeningknowhow.com/orn...lac-bushes.htm

Leaf curl...
https://www.houzz.com/discussions/16...ling-and-brown
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Old 06-27-2019, 07:30 AM
 
491 posts, read 222,615 times
Reputation: 336
Quote:
Originally Posted by wit-nit View Post
These 2 web sites should answer all of your lilac questions for powdery mildew and leaf curl with black edges.

Powdery mildew...
https://www.gardeningknowhow.com/orn...lac-bushes.htm

Leaf curl...
https://www.houzz.com/discussions/16...ling-and-brown
I don't think it has powdery mildew at all. Sorry, the link you provided is just a discussion without any concrete directions...
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