black spots on end of tomato

Discussion in 'Fruit and Vegetable Gardening' started by norma, Aug 4, 2008.

  1. norma

    norma Member

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    The ends of the unripe sauce tomatoes have black spots...What could this be?
     
  2. pierrot

    pierrot Active Member 10 Years

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  3. bjo

    bjo Active Member 10 Years

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    I agree with Pierrot, definitely sounds like blossom end rot. Although this is caused by lack of calcium, the most common direct cause is insufficient water. There is probably plenty of calcium in the soil, but it will not get into the plant if there is insufficient water. I would gradually increase the amount of water your plants get - this will usually solve the problem. If you rapidly increase the water supply you will get a new problem - split fruits!

    Good Luck.

    BrianO
     

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