Answers
@AlittleSalt, @Johnniemar, @brownrexx, @nbardo
Good points all. I'm still in contact with the plant pathologists and
there may be more to say but for now:
There has been the suggestion of too much fertilizer although I don't
use much. Each plant has had a total of 2 oz. TomatoTone. The
nutrition expert at Cornell says the rec. is 3 TBSP, which would be
1- 1/2 oz. I don't think the difference here would cause problems
especially as 1 oz. was mid-May and 1 oz. now. So I will reduce it
a bit next year.
I have also had Late Blight here and fought it for 4 years until it
was gone. So I do know what it looks like but the question was if
this could have been a very early stage of infection. Some photos
online look like this but evidently the answer is no.
The discolored parts do not feel any different.
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