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hardy  Aroids)" <ARISAEMA-L at NIC.SURFNET.NL> Aroids)" <ARISAEMA-L at NIC.SURFNET.NL>
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From: Tony Avent <tony at PLANTDELIGHTS.COM>
Organization: Plant Delights Nursery, Inc.
Subject: Re: Hybrids
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Erick:

Interesting comments about arisaema hybrids and am thrilled to see that
you are making crosses.  We grow a large block of different species
together, but have never seen a non man-made interspecific hybrid in 20+
years.  That being said, we are watching a couple of unflowered plants
that we suspect may have been making out with others in the
row...paternity tests are pending.  I have, however, had two forms of A.
triphyllum hybridize....A. triphyllum 'Pinstripe' x A. triphyllum purple
flowered form.  Can you tell me more about any documented interspecific
arisaema hybrids that were not intentional.

I can't remember if I've posted this before, but here is the link to our
hybrid of Arisaema fargesii x heterophyllum that we named A. 'Crossing Ov=er'
http://www.plantdelights.com/gallery/Aroids/Copy_of_Arisaema_Crossing_Ove=r_clone_2_in_flower2

Many thanks.

Erick Adams wrote:
> Chris,
>
> Here's some extra info that might give you an idea (or it might be
> complete overkill ;D ).
>
>
> As one would expect, the more closely related two species are the more
> readily they cross.
>
> I=92ve done a bit of hand pollination this past year as an example of
> this. Success was high
>
> amongst the same species, 50/50 amongst species in the same section &
> generally failed
>
> between sections. So I guess it depends on whom you plant next to whom.
>
>
>
>
>
> _Successful Crosses within the same species:_
>
> Arisaema consanguineum
>
> Arisaema consanguineum =91Poseidon=92 x aff. consanguineum -  enormous
> fruit with 5 seeds in almost every berry.
>
> Arisaema costatum
>
> Arisaema dracontium
>
> Arisaema fargesii - Average seed size 6-7mm across
>
> Arisaema heterophyllum =96 essentially selfed since clump originated
> from divisions of same plant. Very fertile.
>
> Arisaema intermedium
>
> Arisaema ringens
>
> Arisaema sazensoo =96 fruit was so large the corm shrank nearly 4cm in
> diameter.
>
> Arisaema serratum (variegated) x serratum (A. peninsulae) =91Ulleung
> Treasure=92
>
> Arisaema sikokianum
>
> Arisaema speciosum
>
> Arisaema tortuosum
>
>
>
> _Unsuccessful Crosses within the same species:_
>
> Arisaema costatum (hermaphrodite, selfed) -  enormous, plump but with
> very low seed set.
>
> Arisaema maximowiczii (selfed with offset) (28 x 28) =96 fruit develope=d
> but was infertile.
>
> Arisaema tashiroi =96 female was likely too old.
>
>
>
> _Successful Crosses within the same section:_
>
> Arisaema serratum  x sikokianum
>
> Arisaema kiushianum x thunbergii subsp. thunbergii  - successful, but
> with low seed count.
>
> Arisaema sazensoo x yamatense =96 very fertile.
>
>
>
> _Unsuccessful Crosses within the same section:_
>
> Arisaema ternatipartitum x engleri
>
> Arisaema ternatipartitum x maximowiczii
>
> Arisaema triphyllum x mayebarae
>
> Arisaema (wilsonii x griffithii) x costatum =96 wxg may be infertile.
>
>
>
> _Unsuccessful Intersectional Crosses:_
>
> Arisaema concinnum x costatum - false fertilization=96 hollow berries
>
> Arisaema iyoanum nakaianum x costatum
>
> Arisaema nepenthoides x maximowiczii
>
> Arisaema nepenthoides x mayebarae =96 a single seed of questionable
> fertility developed.
>
> Arisaema nepenthoides x serratum =91Ulleung Treasure=92
>
> Arisaema nepenthoides x sikokianum
>
> Arisaema tosaense x candidissimum
>
> Arisaema tosaense x costatum
>
> Arisaema tosaense x tortuosum - appeared sporadically fertilized but
> was false.
>
>
>
> _Successful Intersectional Crosses:_
>
> Arisaema ciliatum x speciosum - sporadically fertilized but successful.
>
>
>
>
>
> -erick
>
>
>
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--
Tony Avent
Plant Delights Nursery @
Juniper Level Botanic Garden
9241 Sauls Road
Raleigh, North Carolina  27603  USA
Minimum Winter Temps 0-5 F
Maximum Summer Temps 95-105F
USDA Hardiness Zone 7b
email tony at plantdelights.com
website  http://www.plantdelights.com
phone 919 772-4794
fax  919 772-4752
"I consider every plant hardy until I have killed it myself...at least th=ree times" - Avent

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