Re: HYB: Fertility




On Sat, 11 Apr 1998, Dennis Kramb wrote:

> >>  An arilmed x arilmed cross produces nothing but arilmeds?
> >>  Or could you get some offspring nearly 100% aril and some
> >>  nearly 100% TB?
> >
> >First, we much determine what you mean by arilmed.
> 
> My definition of arilmed is a cross between 100% aril x 100% TB,
> resulting in a 50% aril / 50% TB hybrid.

	Dennis, I doubt that you will get very arilmedians from the
above.  You will get mainly tall quarter arils and occasionally a 'runt'
might show up and you can call it an aril median...somewhat similar to a
border iris coming from two talls having been crossed.

	I also think you mean 50% tall and 100% TB hybrid.

	If you want arilmedians (arilmeds) you need to cross the fertile
arilmedians with each other as Sharon mentioned, or you need to cross
SDB's with 50% arils.  You can also use fertile IB's (not always fertile
on every occasion though) with 50% arils.  To be sure of getting an
arilmedian use SDB's with your arilbreds.

	Walter Moores
	Enid Lake, MS 7/8

\ > > 
> Dennis Kramb; dkramb@tso.cin.ix.net
> Cincinnati, Ohio USA; USDA Zone 6; AIS Region 6
> Member of AIS, ASI, HIPS, RIS, SIGNA, & Miami Valley Iris Society
> Primary Interests: Hybridizing Arilbreds, Raising Native Ohio Species Irises
> 
> 



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