Spots on oak leaves

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escambiaguy Atmore, AL(Zone 8b) May 14, 2006

Anyone know what causes these spots on my water oak leaves? One tree has them pretty heavily. They look like black dots when looking up into the tree.

This message was edited May 13, 2006 7:43 PM

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escambiaguy Atmore, AL(Zone 8b) May 14, 2006

I researched it and identified it as oak leaf blister. Never heard of it before.

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StarhillForest Illinois, IL(Zone 5b) May 14, 2006

Taphrina leaf blister affects many of the red oak types, but usually not with any serious consequences.

Guy S.

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snapple45 Holland, OH(Zone 5b) May 14, 2006

It appears to be oak leaf blister. Had it last year in a white oak, black oak and red oak. Confirmed by local county agricultural extension agent. Does no apparent harm. Waiting to see if it repeats. Lived with these trees 34 yrs and last year was first ever occurrence.

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