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Re: Re: [iris] ReHYB: question - genetics of haft marks?[Griff Crump]

  • Subject: Re: [iris-photos] Re: [iris] ReHYB: question - genetics of haft marks?[Griff Crump]
  • From: "jgcrump" jgcrump@erols.com
  • Date: Sat, 28 May 2005 16:14:38 -0400

Neil  --  I see we've been proceeding along similar lines, with your efforts
informed by better knowledge of genetics.  I have Gatsby, but never thought
of crossing it with Romantic Evening.   The color of your seedling, though,
is what I would have principally expected from that cross.  I tend more to
use like-to-like (blue-to-blue, red-to-red) or very sharp contrasts (yellow
to red, etc.) in crossing colors.  At the moment, having done all that for
this year, I'm departing from my like-to-like color habit and doing some
strictly-for-form crosses, without regard to colors.  It will be interesting
to see what happens.

The number of neighbors' cats has declined, and there is a population
explosion of chipmunks in my home gardens.  Saw four cavorting on the patio
just this morning.  Friendly and half tame, but they're undermining
everything.  Don't hurt the irises, though. --  Griff

zone 7 in Virginia

----- Original Message -----
From: "Neil A Mogensen" <neilm@charter.net>
To: "IrisPhotos" <iris-photos@yahoogroups.com>
Sent: Saturday, May 28, 2005 2:27 PM
Subject: [iris-photos] Re: [iris] ReHYB: question - genetics of haft
marks?[Griff Crump]

> Rationale in making the cross of Great Gatsby X Romantic Evening?
> I was just beginning to re-acquire irises, and had twelve newly set
> varieties, six of which bloomed that first year of my reentry into iris
> growing.  Keith Keppel worked with me over a three year period on
> and obtaining superior breeding stock until I had refreshed my memory of
> genetics involved, studied a raft of pedigrees and read every Bulletin,
> catalog and entry on Iris-talk and Iris-photos I could take in to try to
> a handle on what was what so that I could make selections on my own from
> multitude of irises offered on the market.
> About seven to eight generations of breeding had gone by during my
> from irises into other rather intense involvements, so I had some serious
> catchup to do.  I've been partial to Keppel, Blyth and Ghio introductions
> all along, partly because I'd known both Keith and Joe Ghio since around
> 1960, and the close association between Barry Blyth and both the others
> not exactly hidden.  Their tastes and mine had some similarities, and I
> comfortable with the criteria they used in selecting and naming their
> releases.  Bit by bit I've branched out to others as I've gotten to know
> lines and seen some of the irises.
> Limited space dictates I can't grow all the ones I'd like to grow, so I
> to stay focused on narrow objectives--something I find, and have always
> found, difficult.  Now the temptation to start new projects is
> and I'm getting swamped by resources, crowded for space and at a loss at
> where to cut to what I can take care of.  I think I have the same
> we all seem to share.....
> My stated objective was purple-to-lilac and rose colors, ultimately a
> recreation of PATIENCE in modern dress as the central target.  The reason
> this cross got made is that both parents bloomed, were fertile and both
> the anthocyanin pigments.  I wasn't after bicolors, and knew that it was a
> simple (weak) dominant, as I had worked with Whole Cloth, Melodrama and
> seedlings therefrom.  That's as much rationale as I can offer.
> The other cross that survived the neighbor's cat playing with my tags and
> breaking the stalks was the Swingtown X Romantic Evening cross from which
> Power Woman and two other seedlings of quality came.  The cat had actually
> broken that stalk also, but it still had a little bit of connection to the
> rhizome, so I very carefully did not disturb the stalk laying on the
> The pod matured enough to allow seeds to mature enough that they could
> germinate and survive.
> A good look at Great Gatsby convinced me it is a carrier of one dose of
> dominant amoena, but I'd be hard pressed to say where in the pedigree it
> would have arisen, but I was after selfs,  not bicolors anyway.
> As it turned out, this was by far the best seedling from the cross.  I
> I was probably wasting my time in using it, but its seedlings have had far
> more branching than it has.  I won't hesitate again.  Apparently the
> genetics of branching come and go.  Well branched parents do not always
> well branched offspring, and vice versa, even though superior tends to
> superior, just like with any other trait.
> The cross produced this near-amoena, one dark self with no bicolor effect
> all, and ten seedlings of minor bitone to almost bicolor, more due to the
> Umbrata in Romantic Evening than to its I(s) dominant amoena.
> This seedling seems to have two doses of I(s) judging from its offspring.
> Many of its seedlings have also had very wide hafts, much like some but
> all RE descendents.
> I have kept a couple fans of this seedling each discard and reset, as I
> the flower and enjoy it, especially in early morning or late evening
> when its colors seem extraordinarily luminous.
> Neil Mogensen  z  7  Reg  4  western NC mountains
> Yahoo! Groups Links

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