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This is a continuously updated archive of the Aroid-L mailing list in a forum format - not an actual Forum. If you want to post, you will still need to register for the Aroid-L mailing list and send your postings by e-mail for moderation in the normal way.
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HELP Amorphophallus konjac
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From: "Martin Neitz" martin_neitz at hotmail.com> on 2002.10.20 at 20:01:24(9569)
Dear all,
Today was harvest day for all the nice A konjac tubers :) ... and
two of my big konjac does look very sick... the tuber looks like they
where in the micro-wave for about 30 minutes...
does anybody has an idea what it is?
can it be a virus which may infect the rest of the tuber?
should I trash the tuber an simply forget it?
is their anything I can do for the tuber?
their are some pictures where you can see the cause... the "cuts" are about
2cm deep...
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http://195.64.29.59/h6006/A_konjac01.jpg
http://195.64.29.59/h6006/A_konjac02.jpg
http://195.64.29.59/h6006/A_konjac03.jpg
http://195.64.29.59/h6006/A_konjac04.jpg
thx-martin
(a worried dad :)
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Choose an Internet access plan right for you -- try MSN!
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From: "Petra Schmidt" petra at plantdelights.com> on 2002.10.23 at 17:24:41(9574)
I've not seen tuber problems like those in your photos, but I'd suggest that
you cut the infected areas away and see what the tissue looks like beneath
it...if clean, then just use some powdered fungicide on the cleaned cuts and
let the tuber dry out. The tuber should force out some new growing points
later on. If the tissue beneath the infected areas looks equally infected,
toss them out.
Were these growing in the ground or in pots? The damage almost looks like a
burn. Keep us posted.
Petra
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----- Original Message -----
To:
Sent: Sunday, October 20, 2002 4:01 PM
Subject: [aroid-l] HELP Amorphophallus konjac
> Dear all,
>
> Today was harvest day for all the nice A konjac tubers :) ... and
> two of my big konjac does look very sick... the tuber looks like they
> where in the micro-wave for about 30 minutes...
>
> does anybody has an idea what it is?
> can it be a virus which may infect the rest of the tuber?
> should I trash the tuber an simply forget it?
> is their anything I can do for the tuber?
>
> their are some pictures where you can see the cause... the "cuts" are
about
> 2cm deep...
>
> http://195.64.29.59/h6006/A_konjac01.jpg
> http://195.64.29.59/h6006/A_konjac02.jpg
> http://195.64.29.59/h6006/A_konjac03.jpg
> http://195.64.29.59/h6006/A_konjac04.jpg
>
> thx-martin
> (a worried dad :)
>
>
> _________________________________________________________________
> Choose an Internet access plan right for you -- try MSN!
> http://resourcecenter.msn.com/access/plans/default.asp
>
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From: "Wilbert Hetterscheid" hetter at worldonline.nl> on 2002.10.24 at 17:36:32(9578)
Guys, this is probably the result of Fusarium infection. Fusarium settles in
the oputer layers of the tuber and prohibits that layer from growing as fast
as it should, hence the inner part of the tuber sort of "bursts" through the
suboptimal outer layer. It is a weakness disease and means that the plants
have not grown under optimal conditions. Next season, try to scrape off the
old, infested layers, which are usually a bit spongy/corky and replant and
try to optimise conditions. You may ask the horticultural experts in this
group if there is a pesticide in the USA for battling this. if the cracks
are too deep there IS the danger of desiccation during dormancy. You may
indeed want to seal the cracks with a paste.
Lord P.
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> -----Oorspronkelijk bericht-----
> Van: aroid-l-owner@lists.ncsu.edu
> [mailto:aroid-l-owner@lists.ncsu.edu]Namens Petra Schmidt
> Verzonden: woensdag 23 oktober 2002 19:25
> Aan: aroid-l@lists.ncsu.edu
> Onderwerp: Re: [aroid-l] HELP Amorphophallus konjac
>
>
> I've not seen tuber problems like those in your photos, but
> I'd suggest that
> you cut the infected areas away and see what the tissue looks
> like beneath
> it...if clean, then just use some powdered fungicide on the
> cleaned cuts and
> let the tuber dry out. The tuber should force out some new
> growing points
> later on. If the tissue beneath the infected areas looks
> equally infected,
> toss them out.
> Were these growing in the ground or in pots? The damage
> almost looks like a
> burn. Keep us posted.
> Petra
>
>
> ----- Original Message -----
> From: "Martin Neitz"
> To:
> Sent: Sunday, October 20, 2002 4:01 PM
> Subject: [aroid-l] HELP Amorphophallus konjac
>
>
> > Dear all,
> >
> > Today was harvest day for all the nice A konjac tubers :) ... and
> > two of my big konjac does look very sick... the tuber looks
> like they
> > where in the micro-wave for about 30 minutes...
> >
> > does anybody has an idea what it is?
> > can it be a virus which may infect the rest of the tuber?
> > should I trash the tuber an simply forget it?
> > is their anything I can do for the tuber?
> >
> > their are some pictures where you can see the cause... the
> "cuts" are
> about
> > 2cm deep...
> >
> > http://195.64.29.59/h6006/A_konjac01.jpg
> > http://195.64.29.59/h6006/A_konjac02.jpg
> > http://195.64.29.59/h6006/A_konjac03.jpg
> > http://195.64.29.59/h6006/A_konjac04.jpg
> >
> > thx-martin
> > (a worried dad :)
> >
> >
> > _________________________________________________________________
> > Choose an Internet access plan right for you -- try MSN!
> > http://resourcecenter.msn.com/access/plans/default.asp
> >
>
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