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  1. #1
    Hello,

    I think my tomatoes have what is called blossom rot. Help!!!

    I have my tomatoes in 12 inch pots. I used some kind of organics mix dirt that was suppose to be great for growing vegetables in pots. When the first blossoms had appeared I used some worm poop to give my plants an extra boost!

    They grow fine until the reach the size of approximately two inches. Then soft black spot(s) appear on the bottom of the tomatoes. Also some of the bottom leaves are turning yellow.

    I suspect that originally I was overwatering. I have cut back on my watering. Is there anything else that I can do?


    For pictures click on this link: http://www.flickr.com/photos/9823550@N06/

  2. #2
    Join Date
    Sep 2003
    Location
    Maryland zone 7
    Posts
    3,042
    One does look like blossom end rot but the one with the two spots looks like late blight.* The rot would be at the very bottom where the blossom had formed for blossom end rot.
    http://aggie-horticulture.tamu.edu/t...fruit/36b.html
    http://aggie-horticulture.tamu.edu/t...fruit/36c.html

    Take a look here for late blight.
    http://aggie-horticulture.tamu.edu/t...fruit/18a.html

    Here's the main page.
    http://aggie-horticulture.tamu.edu/t...ver/index.html

    Some yellowing of lower foilage is normal as the plant ages and grows.

    Lmk what you see that matches what you have.
    Newt



  3. #3
    Hmmm, some of them definately look like the blossom end rot. I'm not sure about Late Blight, looks more like Tomato Mosaic spots, but there's only ever two or three and they're always on the bottom.

  4. #4
    Join Date
    Sep 2003
    Location
    Maryland zone 7
    Posts
    3,042
    With the late blight the spots on the leaves initially appear as water soaked spots.* Notice any of that?
    http://ftsg.ifas.ufl.edu/LBLDBC.htm

    I've not heard of more then one spot on the blossom end rot and it only effects the fruit, not the leaves.
    http://ftsg.ifas.ufl.edu/BERDBC.htm

    Bacterial spot usually has more damaged spots on the fruit.
    http://ftsg.ifas.ufl.edu/BSPDBC.htm

    Buckeye rot is another to look at.
    http://ftsg.ifas.ufl.edu/BUCDBC.htm

    Also look at phoma rot.
    http://ftsg.ifas.ufl.edu/PHODBC.htm

    This Florida site has more ideas.
    http://ftsg.ifas.ufl.edu/DBCLIST.HTM

    Newt

  5. #5
    Egg shells.* Blossom end rot is said to be associated with calcium deficiency, and egg shells are the way to go.*

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