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Tomato Blossom Rot
Q. I think my tomatoes have tomato blossom end rot. What causes it and how can I get rid of it?
A. Blossom end rot is caused by a calcium imbalance. Calcium helps bind cells together in tomatoes. Tomatoes absorb it through water. But calcium is s-l-o-w moving!
If a tomato is stressed or if it grows quickly, then calcium can't get to tissues fast enough, especially those on the bottom of the fruit furthest away from the stem. So tissues break down. Thus the sunken dark spots on the end of the fruit.
You can eat tomatoes with BER. Simply cut out damaged parts.
As far as what to do: the best treatment is prevention. (Learn more about how to prevent blossom end rot on tomatoes.)
But now that your tomatoes already have BER, you can treat them a couple of ways. You can use these natural products specifically developed to treat, prevent, and slow blossom end rot in tomatoes: Enz-Rot Blossom End Rot (a concentrate that can make up to 8 gallons) and Tomato Rot-Stop (in a ready-to-use spray bottle.) Follow package directions for application.Apply calcium immediately. Or mix 1 tablespoon calcium chloride (sold commercially for other uses as de-icing salt or DampRid® Closet Freshener) in one gallon of water. Spray 2-3 times a week until blossom end rot is under control. Or spray plants with milk. In addition, pick other fruit to reduce stress on the plant. Make sure you keep your tomatoes on a regular watering and fertilization schedule.
Plants often outgrow BER after mid-season. So take heart - you can still grow healthy tomatoes this year!
Read about blossom end rot in more detail.
Good Luck and Happy Gardening!
Your friends at Tomato Dirt
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