tomato ripening - Knowledgebase Question

Tyrone, Pe
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Question by jaffaclown
August 3, 2010
I plant Park Seed's Beefy Boy. Stake them and train them to one vine.I get lovely large tomatoes, but, I continually get green or yellow shoulders near the stem. I guess you would call it incomplete ripening.Any suggestions...thank you...George Stevens

Answer from NGA
August 3, 2010
What you describe is a disorder, but not a disease. It is actually called Yellow Shoulders - The tops of the fruit never ripen completely, especially on fruit that are exposed to direct sunlight. The area under the yellow shoulders will be corky as well as discolored. This is partly a genetic problem that can be lessened by growing plants with the uniform ripening gene. Maintaining good foliage cover so fruit are shaded will also help. Tomato plants need lots of sunshine but the fruit does not need direct sunlight in order to ripen. I'd just cut off the affected portion of the tomato and try a different tomato cultivar next year. Enjoy your tomatoes!

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