iris@hort.net
- Subject: RE: Re: HYB: rebloom breeding
- From: C* C* <d*@rewrite.hort.net>
- Date: Tue, 2 Dec 2014 15:13:32 -0500
If it was a PV (preferential vernalization ) type it would rebloom and perhaps continue for next year according to how well it was growing. Then stop. If a fall cyclic that didn't have time, then once and stop.
Chuck Chapman -----Original Message----- From: Barb Johnson <73d454751@rewrite.hort.net> To: iris-talk <iris@hort.net> Sent: Tue, Dec 2, 2014 2:02 pm Subject: RE: [iris] Re: HYB: rebloom breedingI am curious -- if I were to pot up a rebloomer and take it indoors for the winter, would it rebloom because it stays warm year round?
------------------------------------------------------------------------- --------- Barb JohnsonÂÂÂÂÂÂÂÂ b*@hotmail.com Near Springfield, SW Missouri USAÂ Â AIS, HIPS, MIS, TBIS, ISO USDA Zone 5bÂÂÂÂÂÂÂÂ AIS Region 18 (KS & MO) American Iris Society website: http://www.irises.org iris-talk/Mallorn archives: http://www.hort.net/lists/iris-talk/ iris-photos/Mallorn archives: http://www.hort.net/lists/iris-photos/ AIS Checklist Data: http://www.irisregister.com Iris Encyclopedia (Wiki): http://wiki.irises.org/bin/view > To: iris@hort.net > Subject: Re: [iris] Re: HYB: rebloom breeding > Date: Tue, 2 Dec 2014 12:16:53 -0500 > From: db4f61431@rewrite.hort.net >> Growth of increases indicate that bud set has occurred, so fans would
> be mature. > > Linda, I very, very, much doubt that you will get any bloom from> Preferential vernalization rebloomers in your climate, unless it is on > first year plants primed in zone 9 garden. The range of growth time > after rebloom will be in a very narrow range, selected by millions of > years of evolution. Breeding can make changes on length of growth > time, but it would need a very systematic approach and you would need > a zone 9 garden to work on it. Might be able to change it by a week, > perhaps two, but not much more then that. Evolution has very carefully > selected a limited range. The early ones will have been eliminated from
> gene pool by death. So will the later ones. Genes will have been> eliminated. So only way to get a change that would be useful to you
> would be by a mutation. Then you would need a means to be able to > identify that this has happened. And it would likely need two > mutations to line up. the one producing signal and the other one> responding to it. And if they are recessive, how will you find them?
>> Also consider that the plants with PV evolved in an environment with > winters seldom going below freezing. So will be strongly associated
> with tender genes as far as cold weather is concerned. > > I did try Belvi Queen several times. Didn't thrive here. > > Chuck Chapman > > > -----Original Message----- > From: Linda Mann <101l@rewrite.hort.net> > To: iris <iris@hort.net> > Sent: Tue, Dec 2, 2014 10:37 am > Subject: Re: [iris] Re: HYB: rebloom breeding > > Thanks again, Chuck. >> Could you elaborate on this a bit more (again)? Is the presence of
> baby> fans starting a good indicator of mother fan maturity? I might have > enough energy to note that ;-) Are there other ways to tell whether or
> not a fan is mature? > > On 12/1/2014 7:52 PM, Chuck Chapman wrote: > > observe maturity of fans . > > Thanks for joining in, Francelle. Good to be reminded that rebloom > requirements (genetic and environment) vary a lot for different> breeders. The three of us (you, me, and Chuck) pretty much cover the
> range of challenging climates - hot dry, erratic hot wet, and cold > short > growing season. > > Like you, I have some different options for getting rebloom because > unlike Chuck, I do have a long growing season. So some of the> preferential/CA rebloomer genes can give me additional (re)bloom, <if>
> I> can combine those genes with the fastest maturing genes and ones that
> can continue rapid maturity in humidity and heat. >> I haven't tried hard to work with your Belvi Queen seed babies yet, but > hope to have something suitable to mix with them this coming year.
> Down> to 2 of the strongest growing survivors. I've put pollen on them, but > it's been a low priority up till now, so haven't really worked at it,
> and no luck so far. Let me know if you'd like starts. > > Chuck, have you grown Belvi Queen? It's been the most> reliable/persistent summer bloomer here, not fertile for me either way > so far. Not as weak a grower as Tea Leaves, and comes from GP Brown & > Gibson breeding, so should have at least a chance at rebloom for you.
>> Linda Mann zone 7, back to balmy spring weather again, lows in the mid > to upper 40s, highs upper 50s to low 60s. Grow newly planted irises,
> grow. ;-) > >> ---------------------------------------------------------------------
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