Tomatoes Have Black Spots in Center

by Cathy
(West Virginia)

A local grower who used his high tunnel for the first time this past summer told me his tomatoes were un-sellable because, although they looked fine on the outside, they had black spots in the centers inside.


I can't figure out what his problem was. Do you know?

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Nov 22, 2011
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May be black heart
by: Clark

It's the first time I've heard mention of it and there isn't much info available. A picture would be helpful.

Some online sources say it is black heart, a physiological problem that is a variation of blossom end rot, a condition caused by irregular watering and over-fertiliztion interfering with calcium absorption.

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