This is my first (lucky) purple rose that has flowered in 2017 with bonus, thornless and black stems. This is in fact, a seedling of (Basye’s Purple OP). I intend to use it this summer and I would like to know what I can expect if I cross it with itself? Is it a good thing to do for increase characteristics as petals number, without lose the others traits? Any advises will be appreciated, thank you for your help!
André
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Congrats, André!
I don’t know anything about Basye’s Purple…does it repeat?
Therese Bugnet comes to mind as a crossing partner for this one…red stems, similar leaf.
Dear André,
Your seedling is absolutely gorgeous!!! I remember ‘Basye’s Purple’ seeming almost sterile, so it is wonderful you have this seedling and hopefully it has improved fertility to more readily move forward. I love Joe’s suggestion of’Therese Bugnet’ too. It would tempting to cross it with everything possible to see what happens. :0)
André, is the the same OP seedling that is up on HMF?
Thank you Joe and David for yours comments!
Joe, it is a good idea using Thérèse Bugnet, I will certainly try some crosses. Basye’s Purple blooms all the season, but I don’t know if my seedling does the same? Firstly, because his first flowering was at the end of 2017 season and secondly because two bad things have happened last year for it: a new site and many dry periods during last summer. Therefore, the flowering has been very affected in 2018. I will see this summer if it has a good potential to flower for long time. (Concerning your second question, it is not the same 10TT seedling on HMF.)
David, I have tried many times to cross Basye’s Purple with different pollens without success. It is the raison why I have begun to sow opened seeds to see what could happen. I have another seedling (10TT) from Basye’s Purple OP obtained in 2010 that is among one of my best result to date. It is a four feet plant, with lustrous leaves totally diseases free and who blooms all season, ('10TT' Rose). Like Basye’s Purple, it seems to be very selective in the choice of pollens. But last year I have had (for the first time) access to Golden Wings pollen. I have used it on many flowers and for sure I also have tried it on my 10TT seedling for to see if this pollen could be accepted. And surprise, good match! Three flowers have been pollinated, three fruits harvested, 86 seeds have been stratified and finally, 5 germinations since two weeks, I hope they will survive?!. As you say, I will experiment many crosses with it to see what happens.
André
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Those innocent looking seedlings sure have a complicated ancestry behind them: rugosa, foliolosa, altaica, spinosissima, foetida, odorata, chinensis gallica …
I’m looking forward to watching them grow up.
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Wonderful coloring on that one, André.
I have no personal experience with any of these roses, living in a hotter climate, but my mind went to crossing perhaps with Ann Endt, to reinforce some of the genetics while avoiding inbreeding(? – Such an idea might lack the advantages of selfing, but I don’t know), or even going a little further afield, and perhaps considering bringing Carmenetta into the mix.
Alas, with the latter, you would surely have a wait before being able to take it any further, were you to get an interesting outcome. I don’t know if Carmenetta herself breaks from the Canninae meisosis either. But it does seem that either of those might conceivably reinfoce some of the desirable traits.
Nice job André!!! 
The thornless black stem seedling and 10TT, are both very attractive roses.
Looking forward to seeing what you get from that 10TT X Golden Wings cross.
Best wishes always, Tom
It’s a beauty André. Love the color and the fact that you picked up petal count. Thornless and black stems is a bonus! My first thought was to cross it with Ann Endt.
Thank you: Karl, Tom, Philip and Rob
Karl, for this list to remind me that everything can happen. We will see who will have more influence…!
Tom, for your comment. I cross my fingers and continue to dream for a hint of yellow from R. foetida…!?
Philip and Rob, for your suggestions! Sadly, I don’t have Ann Endt, and as you say Philip with Carmenetta, it is a little bit complicated. But I could try some crosses with the latter possibly, or with one of my seedling of it.
Well, if you could get a hint of fedtschenkoana foliage on it and maintain some of its other attributes, I think that could be pretty stunning as well. I’ve always wanted to see a mauve flower hung on R.f. foliage.
I would second that Philip!
I agree with you that it should be a stunning effect. It is a great idea and yes, I have R. fedtschenkoana! In thinking of grey foliage, I have been reminding me, Joe’s suggestion in using Thérèse Bugnet for its red thornless stems. It is a happy coincidence because I already have three (Thérèse Bugnet x R. fedtschenkoana) seedlings from a cross made in 2016, and two of them have greyish foliage. On the photo, the right one has few thorns and it has produced a tiny flower last year. The second at the center, as we can see, has inherited a red and thorniest grows from R. fedtschenkoana. I am waiting for blooms and better results from them this summer. I don’t know what will happen if I can cross them, but I am waiting for positive results! I hope I will be able to use these seedlings if they bloom this summer. Thank you all for those suggestions it is really appreciated!
André
Suggestions come cheap. The realizations are where it’s really at. 
I believe R. fedtshenkoana is tetraploid, and Basye’s purple is diploid, FWIW.
Good luck!
Thank you Philip and good luck also with yours seedlings!