Tomato blight pictures

Discussion in 'Edible Gardening' started by capney, Aug 4, 2009.

  1. capney

    capney Head Gardener

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    Theres seems to be a few of our friends rightfully worried about tomato blight at this time of the year.
    So, To help identification of this virus I am posting a few pictures from my garden I took last year.
    I lost loads of plants and fruit due the blight.
    Hope the following will assist those that need the knowledge
    Robert
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    http://i327.photobucket.com/albums/k473/capney
    /TB3small.jpg

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  2. Quercus

    Quercus Gardener

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    Mine look like that this year!
     
  3. Freddy

    Freddy Miserable git, well known for it

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    Ditto. My Golden Sunrise were just about to ripen too ! This blight....drives you nuts eh ? :mad:
     
  4. Steve R

    Steve R Soil Furtler

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    Nice one Robert for posting these clear pics. I have blight too in my cherry toms, I've just cut them back to the roots an discarded everything.

    I managed to save a few ripe toms that appear unaffected and want to save the seed from these...would that be okay to do?

    Also...can I reuse the soil they where grown in and compost the roots too?

    Many thanks..

    Steve...:)

    Suggestion - This topic could be temporarily stickied so others can see it straight away as we are in blight season.;)
     
  5. shiney

    shiney President, Grumpy Old Men's Club Staff Member

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    Robert, excellent info and pictures :gnthb:

    Steve, it is better not to take any chances with the roots. Remove all traces of the blighted plants including dead leaves on the ground. Then wash tools and gloves (and clothes that may have come in contact). It's not as bad as I make it sound but it is better to be careful.

    It is usually worse in wet/damp conditions and the spores are generally air-borne. Althuogh spores can remain in the soil they are considerably less virulent than the air-borne ones. If you don't need the soil and it is in bags/pots then I would dump it.

    Althuogh you can eat any toms you may have saved from the plants you shouldn't use any of the seeds from last year.

    Blight normally attacks potatoes before tomatoes so if your potatoes are OK then you are lucky. Potato blight can be stored in any potatoes that may be left in the soil so make sure that your compost area does not have potatoes in it.
     
  6. Manteur

    Manteur Gardener

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    Very clear pics there Capney (shudder). I grew T&M's "blight resistant duo" Ferline and Legend this year. I've grown Ferline before, and I do think they are a bit resistant, but I've still sprayed them anyway. So far so good and I've got a few starting to turn orange.. Fingers crossed.
     
  7. Kristen

    Kristen Under gardener

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    "can I reuse the soil they where grown in and compost the roots too?"

    I change the soil in my greenhouse every year regardless.

    For outdoor Veg crops I rotate on a 4 year basis.

    I don't grow any crop successively on the same soil (except a few catch crops like Lettuce)
     
  8. shiney

    shiney President, Grumpy Old Men's Club Staff Member

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    At the weekend I went to an open day at a 'natural farm'. They are a charity and provide food for a Hospice and have sections of the garden for schools and variously handicapped (couldn't think of any other word for it) groups of young people.

    They grow all their crops successively - always grow the same crop in the same soil - and do not use any fertilisers or compost. They have a polytunnel that is only used for transplanted crops that are grown purely for their seed. They never take cuttings.

    They do have a commercial side where they grow English lavender for companies that make products that use the scent or the flavour. Even with these they never take cuttings but just grow from seed.

    It was very interesting.
     
  9. capney

    capney Head Gardener

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    Good response from everone on this worrying subject.
    I agree that it would be a good idea to make this thread stickie for awhile so we can all combine our knowledge and prevent what could be a drastic year for our tomatoes.
    Mine where sprayed a week ago with copper solution and I inspect them all twice a day. I know how quickly this nasty hits and can destroy your whole crop in a couple of days!
    Last year I salvaged loads on green ones and spread them out in the conservatory but the bug was in them and most of them had to go
    robert
     
  10. Liz W

    Liz W Gardener

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    I dug up all my pots this morning and pulled all the tomatoes. I didn't check yesterday as I didn't feel like it but this morning, a couple of pot plants seemed to be mush, and the others were quite marked. I didn't want to risk leaving anything in the ground, though the info said leave 10 days before digging up. Why is this? To stop the spores contaminating the veg? Maybe I took a big chance. The spuds are drying in the sun today. Guess I'll have to use them quick. Any thoughts? I think I will have bordeaux mix in next year, ready. At least the toms near the house seem okay.
     
  11. shiney

    shiney President, Grumpy Old Men's Club Staff Member

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    Liz, don't forget to clean tools and wash gloves etc before going near your toms. The spores are highly virulent air-borne so be careful when disposing of the potato plants.
     
  12. JWK

    JWK Gardener Staff Member

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    The old seed potato is always mushy/rotten, there should only be one rotten/mushy seed potato per plant though. If you have more it means blight has managed to get into your tubers, which would be bad news.
     
  13. Liz W

    Liz W Gardener

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    It was the plant as well as the seed potato, so I assumed it was blight damage. I'm keeping an eye on the pots.
     
  14. Kristen

    Kristen Under gardener

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    "I didn't want to risk leaving anything in the ground, though the info said leave 10 days before digging up. Why is this? To stop the spores contaminating the veg?"

    Yes, I think that's the idea. Remove the foliage, give any spores time to "die", then when you lift the pots less chance of transferring spores to tubers.
     
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