What's wrong with tomatoes

Discussion in 'Edible Gardening' started by Ystalyfera, Aug 12, 2020.

  1. Ystalyfera

    Ystalyfera Gardener

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    I never seen to have much luck with tomatoes and after an extended hiatus away from growing anything tried some outdoors this year with an f1 variety (can't remember which).

    Tomatoes haven't really developed in any size and checking them this morning as didn't think they were ripening noticed this on a few and more that seem to be going same way.

    They have been grown outdoors, not in a greenhouse. Tend to water daily as the leaves shrivel badly otherwise but then I read don't water if you want them to redden.

    Fed once a week since flowering. Not sure whether I just need to abandon them all now which would be a shame.
     

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  2. ricky101

    ricky101 Total Gardener

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    Hi,

    Assume you are growing them in pots/tubs rather than the gardens soil ?

    The problem looks like Blossom End Rot cause by insufficient and/or irregular watering.

    What are you feeding them ?

    The good news is, if you up your watering routine the rest of the crop should be ok.

    There is a thread especially for tomotoes, you will find some good info in there.

    TOMATO GROWING THREAD 2020
     
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    • Ystalyfera

      Ystalyfera Gardener

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      Feeding them tomatorite. Grown in pots and growbags. Try to water at base of plant morning and evening, perhaps not enough maybe as water does tend to run off soil at times in the bags.

      I will check out posts in the other thread. Should I aim to break off greenery which isn't flowering
       
    • Scrungee

      Scrungee Well known for it

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      Is that damage on the side of the tomato?

      rsz_20200812_084309.jpg


      If so, it could have been caused by a hole being eaten into it by a tomato moth caterpillar, which has caused the tomato to rot.

      I've just lost one that way

      IMG_20200812_102022141.jpg
       
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        Last edited: Aug 12, 2020
      • JWK

        JWK Gardener Staff Member

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        That is incorrect, tomatoes need regular watering, particularly during the current heatwave. It looks like you have blossom end rot caused by irregular watering.
         
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        • JWK

          JWK Gardener Staff Member

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          You must keep watering until it runs from the bottom of the pot or growbag. If it runs off it could be your compost has dried out, it can be difficult to re-wet.
           
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          • hans

            hans Gardener

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            I agree with above, also feed more often than it says on the tin.( after setting). I have had the best toms and healthiest over the last few years after a local gardener shared his secret. Prior to this I fed them once a week, being in pots they only have what you give them. He fed his every day.
            I stand my pots in deep 2" trays so as to stop water running out if the compost becomes a bit on the dry side.
             
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            • ricky101

              ricky101 Total Gardener

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              You do not say if your un-named variety is being grown as a Cordon ( sideshoots removed) or a Bush ?

              You typically only remove the lower leaves once the truss of tomatos below it have been picked or if excessive leafs are heavily shading the young toms.

              Adding Just a couple of drops of washing up liquid to your watering can will help re-wet any dried out compost.
              Don't water in one big gush, say 1/3 of the can, wait a min or two to let it soak in, then the next 1/3 etc.
               
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              • pete

                pete Growing a bit of this and a bit of that....

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                I'm sure grow bags were invented in order to produce blossom end rot.:biggrin:
                 
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                • hans

                  hans Gardener

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                  And they vary in quality. I don't use them at all.
                   
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