Tomato problem with pics

Discussion in 'Edible Gardening' started by Victoria Plum, Jul 16, 2009.

  1. Victoria Plum

    Victoria Plum Gardener

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    Why are my lovely tomatoes like this on some leaves?

    [​IMG]
    [​IMG]
     
  2. JWK

    JWK Gardener Staff Member

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    It's magnesium deficiency, its fairly common with tomatoes in grow bags or containers like yours. It affects the lower older leaves first.

    It occurs when you start feeding with a High potassium feed (such as Tomato Food like Tomorite), up to that point the plant looks nice and healthy. In severe cases premature defoliation can occur, but mild cases like yours are unlikely to affect yield or quality. It is easily treated by spraying with Epsom Salts (ask for Magnesium Sulphate at the chemists). Dissolve ½ oz in a pint of water (20g/litre) and apply as a foliar spray each day for a week.
     
  3. Victoria Plum

    Victoria Plum Gardener

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    Fantastic, you're a star!!! We have just started feeding tomorite so that makes sense!

    Will get some stuff from chemist.
     
  4. Victoria Plum

    Victoria Plum Gardener

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    PS!!!! How often should I be watering them? They are in hanging basket, as you can see, and we try not to let them dry out.. so difficult to judge when it is showery as you don't get much into the basket in a bit of rain. Someone advised me to make holes from half way up the basket to allow water to drain from a certain point but allow some space for water conservation.

    Should I now make some at the bottom??
     
  5. JWK

    JWK Gardener Staff Member

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    Vicki; Re: Epsom Salts, don't go to Boots for it, they don't sell it (at least my local one didn't and had no idea what Epsom Salts were, so I got some strange looks when I told them what I needed it for!), I got mine recently from the pharmacy at Asda, a box of Magnesium Sulphate cost about £1.70 ish from memory.
     
  6. andybike

    andybike Gardener

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    go and look in the local pound shops for 1kg box of gardeners epsom salts,stuff paying chemists rates.

    i got 1 for 99p.
     
  7. JWK

    JWK Gardener Staff Member

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    It is difficult to judge how much to water. Usually Hanging baskets need watering once or twice a day in hot weather. There are a couple of ways I judge it, stick my finger in the compost to feel if its damp/soggy (no water needed) or feel if its dried out. The other way is to put your hand underneath and raise it a fraction to judge the weight, it will be very light if its dried out and much heavier when watered. It will take you a day or so to get the hang of it and judge for yourself what the weight feel like. Even in this rainy spell we are having you still need to water every day unless they get drenched with rain.



    Whats inside the basket? Is it a pot, if thats got a hole at the bottom then thats OK, if you have lined it with plastic then it definately need some holes in the bottom, they are in danger of getting water logged otherwise.


    :thumb:
     
  8. JWK

    JWK Gardener Staff Member

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    Is it sold as "gardeners epsom salts" then? Blast, I missed a trick there.
     
  9. andybike

    andybike Gardener

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  10. Kristen

    Kristen Under gardener

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    Should be in the Garden Centre as magnesium sulphate, and heaps cheaper than chemist's epsom salts ... Pound Shop even better I expect :thumb:
     
  11. Victoria Plum

    Victoria Plum Gardener

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    It's a basket with a plastic liner, so I'll make a few holes in the bottom too! :gnthb:
     
  12. Marley Farley

    Marley Farley Affable Admin! Staff Member

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    :wink: Vickie I know they are in hanging baskets & it is difficult, but be very careful they are not water logging at the bottom... Toms like plenty of water, but really hate being waterlogged.. You can get nutrient lock up if they are..... Maybe make sure the roots are healthy at the bottom where there is no drainage if you can..
    Roots constantly in water will rot after a while & the plants will suffer from that as well.....
    I think, if it were me, I would put some drainage in there..... Poke a couple of holes in, you may need to water more in the long run, or soak daily for a few hrs instead, but don't risk water logging & nutrient lock up.. The symptoms look almost the same.... :)
     
  13. coub

    coub Gardener

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    Don't go to mad with the holes Vicki,you need good drainage yes,but you don't want your feed to gp straight through.
     
  14. basilthegr8lo

    basilthegr8lo Apprentice Gardener

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    The pound shop near me has epsom salts...a £1 i think... Never thought of getting them from the chemist though. Check out your garden center aswell!
     
  15. Garp

    Garp Apprentice Gardener

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    Any tips on ripening tomatoes, mine all look good but are just not turning red!:mad:
     
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