Re: Abutilon, Brugmansia, Acnistus
- To: s*@eskimo.com
- Subject: Re: Abutilon, Brugmansia, Acnistus
- From: G* C* V* <g*@ibm.net>
- Date: Tue, 05 Jan 1999 20:41:57 +0100
- References: <5f2b2c4c.368e3117@aol.com> <l03130300b2b750e3ddb3@[141.106.36.47]>
- Resent-Date: Tue, 5 Jan 1999 12:16:23 -0800
- Resent-From: seeds-list@eskimo.com
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Don Martinson wrote:
> >I'm looking for germination information for Abutilon, Brugmansia, and
> >Acnistus australis. I've read recommendations that Abutilon seeds may be
> >soaked or have their seed coats nicked. Should both be done, or is it an
> >either/or proposition? How do I avoid damaging the embryo if I decide to
> >nick the seed coats? How do you know when you've gone deep enough?
> >
> >
>
> Brugmansia and Acnistis should not really need any pre-treatment, at least
> in my experience. I can't say about Abutilon, though.
I have tried this year sowing Abutilon without using any pre-treatment and I
got about 35 % germination rate.
>
>
> In nicking or filing seeds, it's a bit easier if the seed coat is darker,
> as the cotelydon will show up as a lighter spot when you've made it through
> the seed coat. Also if the seed is large enough, you should be able to
> identify the placenta side, that is, the side of the seed to which it was
> attached to the pod (visualize the "pointed" side of a corn kernel, or the
> concave side of a lima bean when seen from the side). This is the side
> that the embryo is typically on, so you will want to try filing or nicking
> the OPPOSITE side.
>
> Don Martinson
> Wauwatosa, Wisconsin (Milwaukee suburb)
> USDA Zone 5 (-10 to -20F)
> Heat Zone #4
