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Tue Jul 6 04:43:02 CEST 2004

ants)"  <TRILLIUM-L at NIC.SURFNET.NL> <TRILLIUM-L at NIC.SURFNET.NL>
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From: Fern Hill <fernhill at VOICENET.COM>
Subject: Re: Ants & Trilliums
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I think that Stephanie Solt's Master's thesis pretty well proved that =
arils have no effect on germination - at least under lab conditions.

In the wild, the seeds seem to lie on the ground surface after ripening. ==
Under these conditions and if the seeds are planted in nursery =
conditions with a soil covering, the arils could rot and induce fungal =
attack at the chalazal end of the seed.  In lab experiments this attack =
is usually by a fusarium sp. and I suspect the same in soil.  The amount ==
of loss due to rot in the soil will depend on moisture.  It will be =
higher in more moist or wet soil than in dryer soil, but humidity around ==
the seed should not drop below 90% for an extended period.  Rot in soil =
will probably be more severe for a given moisture regime if the seed is =
slightly immature than if it is fully dormant.

John Gyer  Clarksboro  NJ  USA

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<DIV><FONT face=Arial size=2>I think that Stephanie Solt's Master='s =
thesis 
pretty well proved that arils have no effect on germination - at least =
under lab 
conditions.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2>In the wild, the seeds seem to lie o=n =
the ground 
surface after ripening.&nbsp; Under these conditions and if the seeds =
are 
planted in nursery conditions with a soil covering, the arils could rot =
and 
induce fungal attack at the chalazal end of the seed.&nbsp; In lab =
experiments 
this attack is usually by a fusarium sp. and I suspect the same in =
soil.&nbsp; 
The amount of loss due to rot in the soil will depend on moisture.&nbsp; ==
It will 
be higher in more moist or wet soil than in dryer soil, but humidity =
around the 
seed should not drop below 90% for an extended period.&nbsp; Rot in soil ==
will 
probably be more severe for a given moisture regime if the seed is =
slightly 
immature than if it is fully dormant.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2>John Gyer&nbsp; Clarksboro&nbsp; =
NJ&nbsp; 
USA</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT>&nbsp;</DIV>
<DIV><FONT face=Arial size=2></FONT>&nbsp;</DIV></BODY></HTML>
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<p>
Search the Trillium-L archives -
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<p>
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<p>
For help with this list, send an e-mail to the listowners at:
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