Posted by Colin Malsingh on September 5, 2003, 3:23 pm
I am growing some Autumn potatoes (Carlingford & Charlotte) and they
are just starting to sprout above ground level.
However, I have planted them right next to some tomatoes which haven't
finished cropping yet, but are starting to show quite a bit of Tomato
blight.
Is it likely that this could be transmitted to the Potatoes, or is it
a different variety that they suffer from?
If it's the same, have I left it too late already (since the tomato
blight spores must already be around) or should I dig up the tomatoes
now to give my spuds the best chance of not catching blight
themselves?
Colin
-----
(Sorry - no direct email. Please reply via the newsgroup)
Posted by Michael Berridge on September 5, 2003, 6:34 pm
Colin Malsingh wrote in message ...
>I am growing some Autumn potatoes (Carlingford & Charlotte) and they
>are just starting to sprout above ground level.
>However, I have planted them right next to some tomatoes which haven't
>finished cropping yet, but are starting to show quite a bit of Tomato
>blight.
>Is it likely that this could be transmitted to the Potatoes, or is it
>a different variety that they suffer from?
>If it's the same, have I left it too late already (since the tomato
>blight spores must already be around) or should I dig up the tomatoes
>now to give my spuds the best chance of not catching blight
>themselves?
Same disease AFAIK, so you would be better off removing the tomato
plants.
Mike
www.british-naturism.org.uk
Posted by The Devil's Advocate on September 6, 2003, 3:10 am
Colin Malsingh wrote:
: I am growing some Autumn potatoes (Carlingford & Charlotte) and they
: are just starting to sprout above ground level.
:
: However, I have planted them right next to some tomatoes which haven't
: finished cropping yet, but are starting to show quite a bit of Tomato
: blight.
:
: Is it likely that this could be transmitted to the Potatoes, or is it
: a different variety that they suffer from?
:
: If it's the same, have I left it too late already (since the tomato
: blight spores must already be around) or should I dig up the tomatoes
: now to give my spuds the best chance of not catching blight
: themselves?
:
: Colin
: -----
: (Sorry - no direct email. Please reply via the newsgroup)
It is the same disease but I disagree with Mike about not growing there for
four years. Blight depends mainly on the weather not on the diseases in the
ground unlike say, cabbage club root, and I WOULD move the crops around but
4 years is a bit excessive. You can still get blight if there have never
been potatoes or the like on the ground anyway
Robert The Devil's Advocate robert29@btinternet.com www.pafc.co.uk
Posted by Alison on September 6, 2003, 5:47 am
> I am growing some Autumn potatoes (Carlingford & Charlotte) and they
> are just starting to sprout above ground level.
> However, I have planted them right next to some tomatoes which haven't
> finished cropping yet, but are starting to show quite a bit of Tomato
> blight.
> Is it likely that this could be transmitted to the Potatoes, or is it
> a different variety that they suffer from?
> If it's the same, have I left it too late already (since the tomato
> blight spores must already be around) or should I dig up the tomatoes
> now to give my spuds the best chance of not catching blight
> themselves?
> Colin
> -----
> (Sorry - no direct email. Please reply via the newsgroup)
We live in a very arable farming area and last year was atrocious for blight
but this year there has been none. The blight spores need warm but humid
conditions - I think it's above 65% humidity on 3 consequetive days with min
temp of 17C. OK, the temp requirement has been met but here at least the
humidity level hasn't been anywhere near that for 3 days. It might be worth
recalling if your conditions have met the criteria as it may not be blight.
Normally potatoes will go down with it quicker than tomatoes, so I'm led to
believe.
I too beg to differ on the 'not grow there for four years'. The spores are
air-bourne mostly so avoiding that piece of land will not go very far
towards protecting your crop.
Charlottes are supposed to be quite blight tolerant (don't know about your
other variety). If it was me, I'd leave your spuds in place and watch the
foliage for any signs. If you do see signs, chop off the haulms and burn
them but the tubers should still be ok. I think there's advice that
pregnant women shouldn't eat potatoes from blighted plants as a precaution.
HTH
--Alison
Posted by The Devil's Advocate on September 6, 2003, 8:52 am
Colin Malsingh wrote:
: I am growing some Autumn potatoes (Carlingford & Charlotte) and they
: are just starting to sprout above ground level.
:
: However, I have planted them right next to some tomatoes which haven't
: finished cropping yet, but are starting to show quite a bit of Tomato
: blight.
:
: Is it likely that this could be transmitted to the Potatoes, or is it
: a different variety that they suffer from?
:
: If it's the same, have I left it too late already (since the tomato
: blight spores must already be around) or should I dig up the tomatoes
: now to give my spuds the best chance of not catching blight
: themselves?
:
: Colin
: -----
: (Sorry - no direct email. Please reply via the newsgroup)
PS I would take up the toms carefully, removing all visible debris and take
a chance on the potatoes. As they are already in, you have nothing to lose
Robert The Devil's Advocate robert29@btinternet.com www.pafc.co.uk
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>are just starting to sprout above ground level.
>However, I have planted them right next to some tomatoes which haven't
>finished cropping yet, but are starting to show quite a bit of Tomato
>blight.
>Is it likely that this could be transmitted to the Potatoes, or is it
>a different variety that they suffer from?
>If it's the same, have I left it too late already (since the tomato
>blight spores must already be around) or should I dig up the tomatoes
>now to give my spuds the best chance of not catching blight
>themselves?