Water Caused Problems in Tomatoes

by Stephanie Suesan Smith on July 6, 2011

Tomatoes are funny things.  If you don’t water them enough, they die.  But if you get too much water on the fruit, they rot right on the vine.  Tomatoes are real one way about how they should be watered.Basically, every problem you have with a tomato that isn’t caused by a bug or a bird is caused by a fungus.  Those fungus love wet fruit.  Since most people still water with a rotating sprinkler of some type, you can see the problems coming.

The best way to water a tomato, or anything for that matter, is by drip irrigation.  Delivering the water right to the root area of the plant has several benefits.  For one thing, there is less evaporation, so you don’t have to water as much.  For another, the leaves and fruit stay dry.  This makes it harder for fugal infections to take hold and mess up your fruit.  Since there is nothing worse than watching a nice tomato only to have it suddenly rot, split, or otherwise self-destruct, this is an important benefit.

Do yourself a favor.  Be green and drip irrigate so you don’t see red from high water bills and split tomatoes.

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{ 7 comments… read them below or add one }

Mario July 7, 2011 at 11:56 am

I was having the fungus problem with one tomato plant and one expert told me to add calcium chloratum to the water I used to irrigate the plant. Problem solved!.


Stephanie Suesan Smith July 7, 2011 at 12:11 pm

Blossom end rot is a calcium problem. Adding calcium chloratum sometimes helps. However, changing watering practices is simpler and cheaper.


Mario July 7, 2011 at 4:27 pm

You’re right Stephanie, it is cheaper. I’m going to follow your advice and water this plant like you suggested. Nobody told me that watering like I used to could cause the fungus problem.


Stephanie Suesan Smith July 8, 2011 at 7:54 am

Glad to help. Let me know how it goes –you may have to wait until your fall garden when all the old plants have been removed and replaced with new ones. Depends on how bad the fungus is.


Flex July 7, 2011 at 3:19 pm

Well that’s a shame. I made some lousy tomatoes this year and have been doing research to figure out why. I must have been over-watering. That’s the only thing I can figure. That and I don’t have drip irrigation installed like you mentioned.
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wooden beds July 14, 2011 at 12:28 am

Hummm,I have grown New Jersey Tomatoes from seed for at least 20 years.I have seen the seeds separated from the pulp but what you discribe as yucky, maybe the tomato is over ripe???? we here in New Jersey have had a somewhat wet summer I have not seen a decent tomato from my co-workers yet? maybe it is weather related what is wrong with your “maters.I wish you better luck next year.
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Stephanie Suesan Smith July 14, 2011 at 12:18 pm

I am describing a fungal infection, not an over ripe tomato. This is mostly a problem in hot, dry climates with irrigation. You may not see it there.


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