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hardy  Aroids)" <ARISAEMA-L at NIC.SURFNET.NL> Aroids)" <ARISAEMA-L at NIC.SURFNET.NL>
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From: Adam Fikso <irisman at AMERITECH.NET>
Subject: Re: Betr: Re: ? ? ? Re: have I done something wrong
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Guy and Pascal--Thank you both.This is the kind of horticultural informat=ion
most of us need.  Adam Fikso


----- Original Message -----
From: <pbruggeman at TISCALI.NL>
To: <ARISAEMA-L at NIC.SURFNET.NL>
Sent: Thursday, May 29, 2003 11:14 AM
Subject: Betr: Re: ? ? ? Re: have I done something wrong


> Usually when such tubers are placed in a bowl of water the bad parts,
which
> were not visible through a visual inspection, show themselves as
discoloured
> spots. Once soaked up enough moisture the bad parts feel soft to the to=uch
> although the tuber felt firm when dry. Particularly near the base these
bad
> spots are often fatal as they spread into the growth plate just underne=ath
> the shoot. This will cause the death of the shoot a few weeks after it
appeared
> above ground.
>
> Also a good sign for something wrong is that the new roottips only show
and
> start to grow on one side of the shoot. Bad spots lower down the tuber
only
> show themselves at the end of the season. By then the rot has spread
sufficiently
> far into the healthy tissue to cause, what looks like, premature dorman=cy
> often accompanied by a type of yellowing which is unevenly spread on th=e
> plant. If the tuber is not stressed too much it can overcome this type =of
> rot lower down and recovers and settles down in 1 or 2 seasons.
>
> I always check my new Chen Yi-stuff thoroughly and use the soaking meth=od
> prior to planting with all of them. I place them in a bowl of water for=an
> hour, check them for bad spots, take the bad spots away and dip them in
fungicide.
> To be on the safe side I always dip new imports in fungicide anyway no
matter
> what they look like.
>
> In my case I store new imports in the fridge prior to the planting seas=on
> in boxes with Vermiculite. Bad spots that were missed by me become visi=ble
> through Vermiculite that tends to stick to these rotting parts.
>
> I am afraid that this type of damage is indeed caused by bad handling o=r
> rough transport and despite suggestions by several people Chen Yi is no=t
> willing to change the way she packs the orders.
>
> If anyone has any experience with desinfection through Chlorox I would =be
> very interested to hear about it because more and more fungicides are
taken
> of the market for amateurs thanks to strict new laws and Chlorox seems =to
> be a good alternative.
>
> Pascal
>
>
> >-- Oorspronkelijk bericht --
> >Date:         Thu, 29 May 2003 09:22:21 EDT
> >Reply-To:     "Arisaema Enthusiast Group (AEG) Discussion List (and ot=her
> >hardy              Aroids)" <ARISAEMA-L at NIC.SURFNET.NL>
> >From:         "Jim McClements, Dover, DE z6" <JimMcClem at AOL.COM>
> >Subject:      Re: ? ? ? Re: have I done s
> >              omething wrong
> >To:           ARISAEMA-L at NIC.SURFNET.NL
> >
> >
> >
> In a message dated 5/29/03 2:05:09 AM, ggusman at ULB.AC.BE writes:
>
>
> > If these tubers are just imported, it is - unfortunately - not
surprising
> > that some of them wither just after poping up. They were shipped too =dry
> and
> > do not produce roots
> >hat could replace the amount of water required by the
> > shoot. Put the tubers "in good health" in pot or in the garden, in ve=ry
> well
> > drained soil. They will take three years to become acclimatized.
> >
>
> My experience has been that most tubers that
> >behave this way (sprouting and
> then falling over prematurely) are found to be soft and rotted at the b=ase
> of
> the stem. Some may have been excessively dry when shipped, but many are
nice
> and moist and still are lost after the initial growth spurt. I
> >ave wondered if
> perhaps rough handling, resulting in invisible damage beneath the surfa=ce,
> might be part of the problem. Very few of my Chen Yi tubers, in "good
health"
> (or
> obviously not), have survived in the garden.
>
> Does anyone find that a rins
> > with a fungicide or 10% clorox helps?
>
> Jim
>
>
> Jim McClements
> 50 S. Prestwick Ct, Dover, Delaware, USA, Zone 7a