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AquaEyes
most recent 14 days ago HIDE POSTS
 
Initial post 14 days ago by AquaEyes
The pointed buds and the foliage make me think this is not 'Indigo' but rather some Rugosa, such as 'Hansa'.
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Reply #1 of 1 posted 14 days ago by Michael Garhart
The stems are rugosa, as well as the foliage.
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most recent 8 JAN HIDE POSTS
 
Initial post 8 JAN by AquaEyes
This photo shows the climbing form, not the original bush form.
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most recent 29 OCT SHOW ALL
 
Initial post 19 DEC 23 by A Rose Man
This variety has been used in studies on blackspot resistance in diploid roses and is listed as a R. wichuraiana hybrid. So it seems more likely the parentage is incorrectly reported given that these studies have sequenced the rose.

Another possibility is that there are two different varieties in circulation under this name. One being diploid, the other tetraploid.

But either way, given the commonness of misreported pedigree in cultivars I would be more inclined to believe the report that has been sequenced fully for use in studies over an assumption based on reported parentage until further results have been obtained to settle the matter one way or another
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Reply #1 of 2 posted 29 OCT by AquaEyes
Well, I'm more inclined to say that the studies used an incorrectly labeled rose. R. carolina and Hugh Dickson are both tetraploid, and neither carry R. wichur(ai)ana. Sure, they could very well have sequenced the rose, but if "the rose" they sequenced wasn't this one, then the results wouldn't apply to this rose. And simply looking at the rose itself, I see no indication of R. wichur(ai)ana ancestry -- blooms are not clustered, habit is not lax, and foliage is not "wich-y".

J06-20-14-3 -- what does this reference? I would like to see the entire study -- all I can read is a one paragraph summary posted in the references.

~Chris
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Reply #2 of 2 posted 29 OCT by jedmar
The full article plus the article from which the statement is derived (Characterization of Partial Resistance to Black Spot Disease of Rosa sp.) are available online. Both are too technical to include in HMF
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most recent 23 OCT HIDE POSTS
 
Initial post 22 OCT by AquaEyes
This is the 1970 'Ambassador'.
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Reply #1 of 1 posted 23 OCT by jedmar
Photo reassigned
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