Tomato problem - Ask Extension
What is wrong with our San Marzano tomatoes? ~ not all have these dark spots inside, but many do ~ no indication on the outside that anything is wrong...
Knowledgebase
Tomato problem #880151
Asked August 04, 2024, 3:09 PM EDT
What is wrong with our San Marzano tomatoes? ~ not all have these dark spots inside, but many do ~ no indication on the outside that anything is wrong.
Winona County Minnesota
Expert Response
Anthracnose and blossom end rot are the two most common causes. Blackmold is another possibility. See the websites for details.
https://ask2.extension.org/kb/faq.php?id=806317
https://ask2.extension.org/kb/faq.php?id=806317