Ask an Expert: Is This Blossom End Rot on My Tomatoes?

Q: I think this is blossom end rot on a tomato. Could you take a look and let me know your thoughts and a solution to the problem?

A: While this symptom indeed looks very similar to that of blossom end rot, it is actually indicative of anthracnose, a type of fungal disease. Anthracnose causes sunken black lesions and this type of white- to salmon-colored fungal sporulation. Blossom end rot, a nutritional disorder, appears as a black, sunken leathery lesion, with no signs of fungus.

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