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craboulas

Help w/ Blight on Oak and Sycamore

Craboulas Jabroni
4 years ago
last modified: 4 years ago

Hi guys,


Any help identifying these issues would be awesome. I am in Austin, TX.


My Monterrey Oak has very well defined brown spots on the leaves, some much worse than others where it encompasses much of the leaf:





My Sycamore seems to have a different issue where leaves take on a very dull appearance. They look almost rusty, with a lack of color. Also, many of the newest baby leaves, as well as other mature leaves, have died and fallen off.





I know that areas of my property seem to be a bit iron deficient, and may have some excess phosphorus which can exaggerate this.


I use no chemical products on the property. The trees generally have compost top dressing around them and hardwood mulch. I water deeply about once a week, and don't ever get water on the foliage in the evening to avoid fungus.


Any insight would be appreciated!

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