Is this fireblight on my scion?

On a Beurre Fouqueray scion. How is this variety for fb?

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I would cut off the top and use that. Would be perfect for cleft grafting. If i see what i suspect is disease i cut it off or discard it.

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Well I’m trying the whole scion with a cleft, but I shaved the black marks off. Wrapped the whole thing in parafilm, so we’ll see. Just found… “Moderately susceptible to fire blight” (https://npgsweb.ars-grin.gov/gringlobal/accessiondetail.aspx?id=1436079).

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You might give it a 20% bleach / diluted with 80% water bath as well. That kills most things.

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