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  • Blossom End Rot

    If you have tomatoes with a sunken, brown leathery patch on the bottom of the fruit, you probably have blossom end rot. Though most common on tomatoes, blossom end rot can also affect squash, peppers and watermelons. Not a disease,...

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  • Got calcium? Your tomatoes need it

    COLUMBIA, Mo. – Your beautiful tomato plant is setting fruit and soon has nice green tomatoes. Then, to your horror, a dark, sunken spot shows up at the bottom of the fruit. You might think an insect or disease has...

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University of Missouri Extension Master Gardener Program