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Re: attachment = educational?

I'm not a breeder or propagator or commercial nurseryman (nurseryperson?),
so don't have to be picky about hostas released to the trade. All I can say
is that I would "settle" for Stained Satin and White Angel any day!


At 01:44 PM 7/25/99 -0400, you wrote:
>John is right in that most streaked Hosta in culture stabilize to the edge
>form, but not all.  Our streaked Blue Angel (White Angel), Lakeside Black
>Satin (Stained Satin), and Big Daddy Streaks all went to medio forms.  The
>type of stabilized form must be under genetic control because most Hosta go
>one way or the other.  Hosta Bottom Line stabilized as an edge form and the
>medio form (H. Variable Sum) only appeared much later as a spontaneous
>change (no streaked intermediary).  The white edged forms of Sum and
>Substance (Winter Snow) are also much more common than the medio form
>(called Bankrupt, in fun).  It might be noted that Bottom Line is rock
>stable while Variable Sum is not, giving both green and gold shoots.
>Interestingly, the streaked form of Winter Snow is amazingly stable in the
>garden as I have seen plants three years old without a single non-streaked
>Some streaked Hosta tissue culture quite well while others fall apart.  We
>have experimented with TC of streaks for about two years.  Tissue culture
>can be used to get stabile forms of streaked Hosta because the plants are
>divided much more rapidly than in the garden.  We have also found that TC
>can be used to enhance a streaked form an get interesting results.  The
>streaked form of Lakeside Black Satin appeared a few years ago in the stock
>house as a single yellow streak.  It is not much better now even after
>selecting for the streak.  However, in the lab I was able to get a strong
>streaking followed by the medio form.  Again I thing it is a numbers game,
>the plant just gets divided more rapidly in TC.
>Jim Anderson
>Winterberry Farms Tissue Culture
>-----Original Message-----
>From: WiN <raffi@sympatico.ca>
>To: Recipient list suppressed <Recipient list suppressed>
>Date: Sunday, July 25, 1999 1:49 PM
>Subject: attachment = educational?
>To sign-off this list, send email to majordomo@mallorn.com with the
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