What's wrong with my tomatoes?

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naien Capistrano Beach, CA(Zone 10a) Jun 30, 2005

My tamotoes have a callused brown spot beginning to form on the bottom of the fruits... is it because these are a green cultivar and overripe? I bought them at a college plant sale marked as "tomato."

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naien Capistrano Beach, CA(Zone 10a) Jun 30, 2005

plants a few weeks ago.

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4xthefun Corpus Christi, TX(Zone 9a) Jun 30, 2005

Naien,

Have you tried posting over on the tomato forum?

Does green cultivator mean they are to be picked and used while still green or do they never turn red?
Laura

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TamaraFaye Fritch, TX(Zone 6b) Jul 01, 2005

I hope they are overripe, but it looks exactly like this photo of Blossom End Rot. There have been many discussions of that over in the Tomato Forum about the cuases and how to handle it.

"Blossom End Rot
Physiological Disorder
Symptoms:
Blossom end rot can affect fruit at all stages of development. The characteristic symptom is a progressive deterioration of the blossom end of the fruit, from a water-soaked appearance to a sunken, black, leathery lesion. While secondary fungal infections may occur, blossom end rot is a physiological disorder caused by calcium deficiency induced by water stress.
Control:
Careful water management practices are a key. Irrigation and/or mulching are important. Application of lime or calcium prior to planting may help. Liquid fertilization using calcium nitrate can be used for small plots. "


Here is the photo that looks like yours:
http://aggie-horticulture.tamu.edu/tomatoproblemsolver/index.html

Sorry you got this, but hopefully you can get the help you need. Good for you for finsing it early!
http://aggie-horticulture.tamu.edu/tomatoproblemsolver/greenfruit/36b.html

Here is the link to their main page, in case anyone needs to look up tomato disorders:

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