----- Original Message -----
To: "Multiple recipients of list AROID-L"
Sent: Thursday, June 13, 2002 11:35 AM
Subject: Re: amorph leaf cuttings/tc
> You're right, and Kathy did some leaf cuttings while at MO as well...I
> haven't unpacked my slides yet but I remember using GA3 on them as well.
>
>
> ----- Original Message -----
> From: "Steve Marak"
> To: "Multiple recipients of list AROID-L"
> Sent: Tuesday, June 11, 2002 5:49 PM
> Subject: amorph leaf cuttings/tc
>
>
> > Petra, I think you, Kathy Upton, and I had some discussion of amorph
leaf
> > cuttings as far back as the early 90's!
> >
> > On Tue, 11 Jun 2002, Petra Schmidt wrote:
> >
> > > I've done the leaf cuttings with newly emerged leaf material and with
> older,
> > > end of the season leaf material and both seem to respond the same, not
> all
> > > successful but what survives will form a tuber and send up a leaf.
I've
> > > swapped notes with other aroiders playing around with this and there's
> more
> > > failures than successes, but I think placing cuttings under mist makes
a
> > > positive difference (cool moisture). I've tried a few with and
without
> > > rooting hormones as well, no big difference seen there. Again, I'm
just
> > > playing with these when I can afford the time and plant material.
> >
> > I still haven't tried titanum, but there are several species I routinely
> > propagate by leaf cuttings. Of those, I have also not seen any
difference
> > between cuttings taken soon after leaf emergence or later, with one
> > exception: if I wait until the plant is near dormancy again, they don't
> > ever seem to take. I don't really find this surprising. But right up
until
> > you see that characteristic very slight change in appearance that
signals
> > oncoming dormancy, yes.
> >
> > I haven't kept any records, but I'd say that across the few species I've
> > tried I'm getting about 60% to take. As to what I mean by that, I take
a
> > set of relatively small cuttings (to minimize leaf surface lost by the
> > donor) all at once, either from a single plant or set of clones, which
all
> > tend to stay in synch. Having given it/them one setback, I don't take
any
> > more during that growth cycle. So, I wind up with 3 of 5, 4 of 6, etc.
> >
> > That's with no mist but relatively high (65-70%) humidity (no pun
> > intended). It's been a very easy and trouble free method for me - I put
> > them on shady shelves in the greenhouse and tend to forget about them
for
> > weeks at a time.
> >
> > This discussion has gotten me interested again. I think I'll try a few
new
> > species tonight.
> >
> > Steve
> >
> > -- Steve Marak
> > -- samarak@arachne.uark.edu
> >
> >
>
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