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Is this scab or rust?

Posted by benjohnson 5 (My Page) on
Fri, Jul 19, 13 at 10:42

I have 2 apple trees and a pear tree that are covered with yellow spots. The edges of the apple leaves have turned brown and are curling. These trees are only a couple of years old and every single leaf is affected. I've googled this several times, but can't come to a definite answer as to what this is. We've had a wet spring/early summer and it's been fairly cool till this week. Can you help me identify the problem? Thanks in advance.

Follow-Up Postings:

RE: Is this scab or rust?

Cedar apple rust. Nothing to be done about it now.

Start a spray program next spring.

RE: Is this scab or rust?

I've not seen CAR on pears. I've read they get a different rust. New leaves on apples should be healthy but some years CAR can cause early defoliation.

I had some trees develop rust this year on different sites in SE NY. First time my spray program didn't keep it well in check. I used Indar instead of Rally and I'm thinking I didn't shake up the jug enough.

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