Tomato Problems

Discussion in 'Edible Gardening' started by shimsham, Jul 12, 2009.

  1. shimsham

    shimsham Gardener

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    I have got the same problem this year has i had last year although my toms are still green they are going soft and and browny/white colour around the spikey that the tom joins the plant, i have asked one or two keen gardeners what the problem might be and they dont seem to know,anyone on the forum got any ideas and how to treat it.
    cheers
     
  2. Dave W

    Dave W Total Gardener

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    A photo would be of great help shimsham. Are your toms under glass or outdoors?
    The only things I can think of given the info you've posted are -
    Ghost Spot - caused by grey mould spores. Increase ventilation and avoid splashing fruit when watering.
    Sun Scald - most often forms on the side of the fruit facing sun. Shade the greenhouse.
    Blight - tends to be a more overall coverage and unlikely to occur under glass. No effective cure.
     
  3. shimsham

    shimsham Gardener

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    Hi Dave.Thanks for that,first of all i have a digital camera but i dont know how to load photos onto the forum,out of the 3 options you gave me i tend to think it could be ghost spot i hade it last year it spread to the stems and it looked very much like grey dust when it got a good hold of the plants and the toms.
     
  4. JWK

    JWK Gardener Staff Member

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    If its Ghost Spot which is another name for Gray Mould or Botrytis, then as Dave says increase ventilation and keep humidity down by watering carefully first thing in the morning - don't water in the evenings. Also stripping off the lower leaves up to the first truss will help air circulate. The mould will take hold if the plant's leaves touch each other, so maybe you have them a bit too close together - how many are you growing in what area?

    I would also strip off any fruit/leaves immediately yo see showing any signs of the mould and destroy them (don't compost as you may get the same problem next year). Keep your vents open at night at this time of year to keep humidity down.

    I find its very difficult to control, but its usually September time it affects me - when the weather turns a little cooler.

    Years ago I used to spray with Benlate through the latter part of the season and it did a great job at controlling Gray Mould, however that chemical has now been withdrawn as being linked to birth defects. I now grow half the number of tomato plants in my greenhouse so they are not packed in and that minimises the problem for me.
     
  5. Dave W

    Dave W Total Gardener

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    There is some research, not conclusive at present, that suggests that a 10% milk solution is effective at preventing/reducing the effects of botrytis. I was bothered with botrytis on cucumbers for a few years, but like John used the now unobtainable Benlate to contol it. When I couldn't get Benlate I gave the milk solution a try and found that it did seem to work (it is also supposed to provide a nutrient effect). I've also reduced the number of toms and cucs in the greenhouse in order to improve air circulation which is helping too.
     
  6. shimsham

    shimsham Gardener

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    Hi Dave.As John suggested i might have to many plants, i bought a new greenhouse this year a 6ft x10ft high eaves and i have 13 tom plants and 6 peppers,When you say you add 10% milk solution is that added to tomorite or just 10% of water.
     
  7. shimsham

    shimsham Gardener

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    Found 2 toms on the floor this morning think they have dropped off in the night as the fruit seem to be rotting around the spikey bit that tom comes from, been down to the local nursery and he told me to dissect one and have a look for a grub so i did and there was not one present.I have looked through a friends greenhouse book but it is not ghost spot and just seems they are rotting around the spikey bit.
     
  8. Kristen

    Kristen Under gardener

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    Are the leaves OK? Healthy looking? No brown patches and/or black patches on the stems?

    If the leaves / stems are healthy I think that would rule out blight.
     
  9. Dave W

    Dave W Total Gardener

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    You make up a solution of 10% milk in water, add it to a hand sprayer and spray on the leaves. You need to repeat it about once a week. I've lost the links to the web sites I found the info on, but if you try Googling for 'milk as a fungicide' you'll find more info.

    I'd say that 13 toms in a 6x10 greenhouse is a bit ambitious. I used to grow 9 plus 3 cucs in my 12 x 8 but have cut back now to 6 toms and 2 cucs and the plants have been a lot healthier and there is still enough space for our son to grow peppers in pots on the shelf.
     
  10. shimsham

    shimsham Gardener

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    Hi Dave.Thanks for that yes it might be a bit ambitious with 13 but its my only second year growing toms so i have to learn along the way.I have just recently bought a new digital camera but i cant seem to get my pc to pair up with it thats another problem,but if you look straight down on the tom over the spikey bit it looks like there is a ring around the top of tom around the spikey bit if you touch it it is all soft and it is a brown/greyish colour but cut one open today but there is no foul smell.
    I am going to keep trying to load some photos onto the forum so you can see for yourself as its noy easy to explain.
    Colin
     
  11. Kristen

    Kristen Under gardener

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    13 doesn't sound too bad to me - 6 down each side (18" spacing) and an extra one at the end will provide generous spacing across the width.

    A picture would help if you can if you can find a spotty youngster to sort it out for you :D
     
  12. shimsham

    shimsham Gardener

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    Hi Kristen.Not to cleaver with downloading photos onto this website can you tell me an easy way of doing it.
    Colin
     
  13. Kristen

    Kristen Under gardener

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  14. shimsham

    shimsham Gardener

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    hi Kristen, I have sent photos of my problem tomatos on attachment - I hope!!! Shimsham
     
  15. Kristen

    Kristen Under gardener

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    Photos are there, well done! But I'm afraid I don't know what it is. Hopefully someone who recognises it will be along shortly ...
     
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