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NW Washington | This Cornell site has a lot of good info about vegetable diseases and problems.
http://vegetablemdonline.ppath.cornell.edu/PhotoPages/Tomatoes/Tom_...
Most of the commercial tomatoes are grown under irrigation and they are spoon fed water and nutrients as they need them. There a great variety in tomato cultivars too.
Is the rot on the stem or on the end of the tomato? I think the blossom end rot on the fruit is caused by a shortage of calcium or magnesium. You can check the Cornell site for that too, or google up Master gardener program or ag extension in your state. | |
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