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 Post subject: Re: Resource - Ploidy Information Database
PostPosted: Fri Apr 22, 2011 12:03 am 
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Joined: Tue Jun 01, 2004 11:43 pm
Posts: 1027
Location: Canyon Country, Ca
Looks like Brother Sara Gold is on the list to me :shifty:

Look at how easy that was!

It's pretty well impossible to have everything on the list. We will add any hybrids that people have questions about assuming we know the normal ploidy. So feel free to ask about specific hybrids and I'll try to update them. As counts are done we'll get more info up there.


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 Post subject: Re: Resource - Ploidy Information Database
PostPosted: Fri Apr 22, 2011 10:25 am 
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Joined: Wed Jul 19, 2006 10:59 pm
Posts: 345
Location: La Conner, WA
Thanks Dean, I suspected so. Has anyone counted any of the Tying Shin Cupid cultivars? Like the "Maria Theresa' clone that the AOS was offering? I'm "testing" the pollen on Chingruey's Fancy right now. I could send someone a plant for counting.

David


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 Post subject: Re: Resource - Ploidy Information Database
PostPosted: Fri Apr 22, 2011 9:36 pm 
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Joined: Sun Dec 14, 2003 6:06 pm
Posts: 2173
Location: Kanab, Utah
David,
I haven't counted any of Tying Shin's hybrids. Many are triploids or worse and rather a mess to deal with despite their appeal to many. I'm sure that some are tetraploids or pentaploids from their breeding records but I don't intend to acquire any of them for counting. If I get caught up some time this summer I'll let you know and we can take a look at what you are using.
Dean

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Albert Dean Stock, Ph.D.


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 Post subject: Re: Resource - Ploidy Information Database
PostPosted: Sat Apr 23, 2011 8:05 am 
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Joined: Sun Dec 05, 2010 9:06 pm
Posts: 133
Location: Boconó, Venezuela
Thanks Rob and Dean for publishing the list again. It is a very useful tool for all people who makes crosses.

I also would suggest to Dean to post an easy to understand explication for people with less knowlidge in biology about what happens when they make crosses without considering cromosome counts.

Helmut


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 Post subject: Re: Resource - Ploidy Information Database
PostPosted: Sat Apr 23, 2011 1:55 pm 
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Joined: Sun Dec 14, 2003 6:06 pm
Posts: 2173
Location: Kanab, Utah
Helmut,
Thank you for the comments. I would consider doing that but over the years I've put forward most of the reasoning behind using proper ploidy for breeding and the pitfalls of not doing so. This is Peter's site and through his support we are all able to comment and exchange information. I'm quite certain that the site was never intended to be a platform for my ploidy work. However, most of the logic and mechanics of ploidy are addressed to some extent in the article on red breeding that Peter kindly placed at the beginning of this section on hybridizing.

Much of my energy in now diverted towards genetic and taxonomic work on Opuntia cacti. There the problems are much worse to deal with since hexaploids are abundant and some north american species are octoploids. What is worse they often hybridize to creat new species. Fortunately, Phals are much more conservative in ploidy levels and it is much easier to predict the ploidy in breeding.

Rob Shepard and I will continue to update the ploidy list on Rob's site as rapidly as possible. Any questions regarding ploidy in Phal breeding can be discussed in this section.
Dean

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Albert Dean Stock, Ph.D.


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 Post subject: Re: Resource - Ploidy Information Database
PostPosted: Thu May 19, 2011 9:15 pm 
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Joined: Mon Jun 16, 2008 6:20 am
Posts: 2748
Dean and Rob,

Are either of you planning on counting Yungho Gelb Canary 'Joseph Wu' and any Joy Spring Canary?

Jim


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 Post subject: Re: Resource - Ploidy Information Database
PostPosted: Thu May 19, 2011 9:27 pm 
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Joined: Tue Jun 01, 2004 11:43 pm
Posts: 1027
Location: Canyon Country, Ca
At some point I will, I've got both.


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 Post subject: Re: Resource - Ploidy Information Database
PostPosted: Thu May 19, 2011 9:30 pm 
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Joined: Mon Jun 16, 2008 6:20 am
Posts: 2748
That's great Rob. Knowing the ploidy of either of these will save many of us much anxiety:-)


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