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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