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Wed Nov 25 20:14:46 CET 2009

hardy  Aroids)" <ARISAEMA-L at NIC.SURFNET.NL> Aroids)" <ARISAEMA-L at NIC.SURFNET.NL>
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From: Erick Adams <rogthegoat at HOTMAIL.COM>
Subject: Re: Hybrids
In-Reply-To: <LISTSERV%200911251837474370.A53B at NIC.SURFNET.NL>
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Chris=2C

Here's some extra info that might give you an idea (or it might be comple=te=
overkill =3BD ).

As one would expect=2C the more closely related two species are the mor=e re=
adily they cross. 
I=92ve done a bit of hand pollination this past year as an example of t=his.=
Success was high
amongst the same species=2C 50/50 amongst species in the same section &=gen=
erally 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 -  enormou=s frui=
t 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 fr=om d=
ivisions of same plant. Very fertile.
Arisaema intermedium 
Arisaema ringens 
Arisaema sazensoo =96 fruit was so large the corm shrank nearly 4cm in =diam=
eter.
Arisaema serratum (variegated) x serratum (A. peninsulae) =91Ulleung Tr=easu=
re=92 
Arisaema sikokianum
Arisaema speciosum 
Arisaema tortuosum 

Unsuccessful Crosses within the same species:
Arisaema costatum (hermaphrodite=2C selfed) -  enormous=2C plump but =with v=
ery low seed set.
Arisaema maximowiczii (selfed with offset) (28 x 28) =96 fruit develope=d bu=
t 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=2C but=wit=
h 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 fer=tili=
ty 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 =fa=
lse.

Successful Intersectional Crosses:
Arisaema ciliatum x speciosum - sporadically fertilized but successful.

-erick

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Chris=2C<BR>
&nbsp=3B<BR>
Here's some extra info that might give you an idea (or it might be comple=te=
overkill =3BD ).<BR>
&nbsp=3B<BR>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt">As one would expect=2C the more closely related two species =are =
the more readily they cross. </SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt">I</SPAN><SPAN style="FONT-SIZE: 10pt">=92ve done a bit o=f hand=
pollination this past year as an example of this. Success was high</SPAN=><=
/P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt">amongst the same species=2C 50/50 amongst species in the sam=e se=
ction &amp=3B generally failed</SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt">between sections. So I guess it depends on whom you plant next=t=
o whom. <?xml:namespace prefix = o ns = "urn:schemas-microsoft-co=m:offi=
ce:office" /><o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt"><o:p>&nbsp=3B</o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt"><o:p>&nbsp=3B</o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><U><SPAN style=="FON=
T-SIZE: 10pt">Successful Crosses within the same species:<o:p></o:p></SPA=N>=
</U></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt=3B mso-bidi-font-family: 'Times New Roman'">Arisaema consangu=ineu=
m <o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt">Arisaema consanguineum =91Poseidon=92 x aff. consanguineum=- <SP=
AN style="mso-spacerun: yes">&nbsp=3B</SPAN>enormous fruit with 5 s=eeds i=
n almost every berry.<o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt">Arisaema costatum <o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt">Arisaema dracontium<o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt">Arisaema fargesii - Average seed size 6-7mm across<o:p></o:p><=/S=
PAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt=3B mso-bidi-font-family: 'Times New Roman'">Arisaema heteroph=yllu=
m =96 essentially selfed since clump originated from divisions of same =plan=
t. Very fertile.</SPAN><SPAN style="FONT-SIZE: 10pt"><o:p></o:p></SPA=N></=
P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt">Arisaema intermedium <o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt=3B tab-stops: 3.0in 3.5in 297.0pt 387=.0pt" =
class=MsoNormal><SPAN style="FONT-FAMILY: 'Calibri'=2C'sans-ser=if'=3B F=
ONT-SIZE: 10pt=3B mso-ascii-theme-font: minor-latin=3B mso-hansi-them=e-font=
: minor-latin"><FONT face=Verdana>Arisaema ringens <o:p></o:p></FONT>=</SP=
AN></P>
<P style="MARGIN: 0in 0in 0pt=3B tab-stops: 3.0in 3.5in 297.0pt 387=.0pt" =
class=MsoNormal><SPAN style="FONT-FAMILY: 'Calibri'=2C'sans-ser=if'=3B F=
ONT-SIZE: 10pt=3B mso-ascii-theme-font: minor-latin=3B mso-hansi-them=e-font=
: minor-latin"><FONT face=Verdana>Arisaema sazensoo =96 fruit was s=o larg=
e the corm shrank nearly 4cm in diameter.<o:p></o:p></FONT></SPAN></P>
<P style="MARGIN: 0in 0in 0pt=3B tab-stops: 3.0in 3.5in 297.0pt 387=.0pt" =
class=MsoNormal><SPAN style="FONT-FAMILY: 'Calibri'=2C'sans-ser=if'=3B F=
ONT-SIZE: 10pt=3B mso-ascii-theme-font: minor-latin=3B mso-hansi-them=e-font=
: minor-latin"><FONT face=Verdana>Arisaema serratum (variegated) x se=rrat=
um (A. peninsulae) =91Ulleung Treasure=92 <o:p></o:p></FONT></SPAN></=P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt">Arisaema sikokianum<o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt">Arisaema speciosum <o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt">Arisaema tortuosum <o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt"><o:p>&nbsp=3B</o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><U><SPAN style=="FON=
T-SIZE: 10pt">Unsuccessful Crosses within the same species:<o:p></o:p></S=PA=
N></U></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt">Arisaema costatum (hermaphrodite=2C selfed) - <SPAN style=="mso=
-spacerun: yes">&nbsp=3B</SPAN>enormous=2C plump but with very low se=ed set=
.<o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt">Arisaema maximowiczii (selfed with offset) (28 x 28) =96 fru=it d=
eveloped but was infertile. <o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt">Arisaema tashiroi =96 female was likely too old.<o:p></o:p><=/SPA=
N></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt"><o:p>&nbsp=3B</o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><U><SPAN style=="FON=
T-SIZE: 10pt">Successful Crosses within the same section:<o:p></o:p></SPA=N>=
</U></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt">Arisaema serratum <SPAN style="mso-spacerun: yes">&nbsp==3B</SP=
AN>x sikokianum <SPAN style="mso-spacerun: yes">&nbsp=3B</SPAN><o:p=></o:p=
></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt">Arisaema kiushianum x thunbergii subsp. thunbergii <SPAN style==
="mso-spacerun: yes">&nbsp=3B</SPAN>- successful=2C but with low =seed cou=
nt.<o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt=3B tab-stops: 3.0in 3.5in 297.0pt 387=.0pt" =
class=MsoNormal><SPAN style="FONT-FAMILY: 'Calibri'=2C'sans-ser=if'=3B F=
ONT-SIZE: 10pt=3B mso-ascii-theme-font: minor-latin=3B mso-hansi-them=e-font=
: minor-latin"><FONT face=Verdana>Arisaema sazensoo x yamatense =96=very =
fertile.<o:p></o:p></FONT></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt"><o:p>&nbsp=3B</o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><U><SPAN style=="FON=
T-SIZE: 10pt">Unsuccessful Crosses within the same section:<o:p></o:p></S=PA=
N></U></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt">Arisaema ternatipartitum x engleri<o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt">Arisaema ternatipartitum x maximowiczii<o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt">Arisaema triphyllum x mayebarae<o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt">Arisaema (wilsonii x griffithii) x costatum =96 wxg may be i=nfer=
tile.<o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt"><o:p>&nbsp=3B</o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><U><SPAN style=="FON=
T-SIZE: 10pt">Unsuccessful Intersectional Crosses:<o:p></o:p></SPAN></U><=/P=
>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt">Arisaema concinnum x costatum - false fertilization=96 hollo=w be=
rries <o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt">Arisaema iyoanum nakaianum x costatum <o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt">Arisaema nepenthoides x maximowiczii <o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt">Arisaema nepenthoides x mayebarae =96 a single seed of quest=iona=
ble fertility developed.<o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt">Arisaema nepenthoides x serratum =91Ulleung Treasure=92 <S=PAN st=
yle="mso-spacerun: yes">&nbsp=3B</SPAN><SPAN style="mso-spaceru=n: yes">=
&nbsp=3B</SPAN><o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt=3B tab-stops: 3.0in 3.5in 297.0pt 387=.0pt" =
class=MsoNormal><SPAN style="FONT-FAMILY: 'Calibri'=2C'sans-ser=if'=3B F=
ONT-SIZE: 10pt=3B mso-ascii-theme-font: minor-latin=3B mso-hansi-them=e-font=
: minor-latin"><FONT face=Verdana>Arisaema nepenthoides x sikokianum =<o:p=
></o:p></FONT></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt">Arisaema tosaense x candidissimum <o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt">Arisaema tosaense x costatum <SPAN style="mso-spacerun: ye=s">&=
nbsp=3B</SPAN><o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt">Arisaema tosaense x tortuosum - appeared sporadically fertiliz=ed=
but was false.<o:p></o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt"><o:p>&nbsp=3B</o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><U><SPAN style=="FON=
T-SIZE: 10pt">Successful Intersectional Crosses:<o:p></o:p></SPAN></U></P=>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt">Arisaema ciliatum x speciosum - sporadically fertilized but su=cc=
essful.</SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNormal><SPAN style="F=ONT-SIZE=
: 10pt"><o:p>&nbsp=3B</o:p></SPAN></P>
<P style="MARGIN: 0in 0in 0pt" class=MsoNoSpacing><SPAN style=3=D"FONT-S=
IZE: 10pt"><o:p>&nbsp=3B</o:p></SPAN></P>

-erick 
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