Rose Hybridizers Association Forum

by **Rob Byrnes** » Fri Apr 19, 2019 10:28 am

Thank you Andre. Hopefully something nice will come from that cross and I’ll post pictures.

by **aimbeault** » Fri Apr 19, 2019 10:05 am

Hi Rob,
I like the flower of Quadra and I think your seedling is promising. I hope to see some photos when it will bloom.

by **Rob Byrnes** » Wed Apr 17, 2019 1:00 pm

Thank you Philip!

1

by **philip_la** » Mon Apr 15, 2019 12:23 am

That will be interesting, Rob. I wasn't familiar with Quadra before, but that's an intriguing cross. Best wishes for an interesting outcome!

by **Rob Byrnes** » Sun Apr 14, 2019 1:01 pm

This weekend I have germination from Quadra x Campfire. Zone 3 and zone 2. This one should be very hardy. Hoping for very full OGR type bloom with nice color and excellent disease resistance.

http://www.helpmefind.com/rose/l.php?l=2.3438.1
http://www.helpmefind.com/rose/l.php?l=2.63983.3

by **Rob Byrnes** » Sun Apr 14, 2019 1:00 pm

Andre,

Thank you for sharing your pictures. So far I don't have any blooms on NW F1 but I'm hoping to see some this season. I really like the bloom form of your NW x Jens Munk. Hopefully it has some scent! Six years is a long time to wait to find no real difference from the parent.

I'm looking forward to seeing what comes from NW x Ann Endt. Hopefully not plain pink.

by **aimbeault** » Fri Apr 05, 2019 4:02 pm

2 more photos

by **aimbeault** » Fri Apr 05, 2019 4:00 pm

Rob, I did not have spectacular results with those crosses, pink is dominant as you can see on photos (5) below. Single pale pink flowers for Applejack that seems it has inherited the thorniest stems from a mix of R. cinnamomae and R. laxa. Same size and color for Corylus with lustrous very disease free leafs. With Jens Munk pollen, I have obtained double flower but the bush is not floriferous and flowers are falling sadly. Bad news also with Wasagaming, six years on waiting for to see some flowers and finally they are similar to their father and they have tendency to ball in wet weather as it. I think that the pollen of Ann Endt will have a good influence and will intensity the color on the flowers. I am curious, like you Rob, to see what will happen!

by **Rob Byrnes** » Fri Apr 05, 2019 8:22 am

Hello André . Thank you. I was pleasantly surprised at the flower form of the NW x PP seedling. I like that is has the OGR look. I was hoping for some yellow though.

I'm exciting to see how the NW x AE seedlings turn out. These two crosses should be very hardy and disease resistant.

I've used some pollen from tetraploids in hopes of getting repeat bloom and fertile triploids. This year I'll be using pollen from repeat blooming diploids on NW. One being yellow. I think Nyveldt’s White has much to offer as a parent for hardiness and disease resistance. Did you get any good bloom forms and colors from your crosses with NW?

Thanks again André!

by **aimbeault** » Thu Apr 04, 2019 3:05 pm

Hi Rob,
Firstly, congratulations for your Nyveldt’s White x Prairie Peace result! I like its quartered flower and the color remind me its grandmother, Beauty of Leafland, and its great-grandfather, Haidee.

And effectively your Nyveldt’s White x Ann Endt has a lot of possibilities! I have had some results with Nyveldt’s White, as mother plant also, from crosses made in 2011, in using pollens of Applejack, Corylus, Jens Munk and Wasagaming. All of them bloom one time and they have a good disease resistance and they are hardy in my zone 3. I think that you will have nice surprises with this seedling. Good luck Rob with it!

by **Rob Byrnes** » Fri Mar 29, 2019 12:27 pm

Hi Joe. Thank you. I'm hoping that if I get something really nice from these crosses that you'll be amenable to testing for hardiness for me.

I've not seen juvenile reblooming from any of my NW seedlings so it's too early to determine if NW passes on the reblooming trait(s). NW gives me sporadic rebloom. It's very healthy.

I've only had 1 blossom on my NWPP. I can't remember if it bloomed on the 2nd or third year. Either way, I was glad it was so early. I was expecting to have to wait a couple more years. I hope there will be more blooms this season and that I'll be successful using it as a parent either direction. It's most likely a triploid so I'll be more hopeful as a pollen parent but you never know. As you know, Bill Radler has developed a number of fertile triploids so I'm hopeful for the same.

I'll look at NW to see if there are any suckers or if I can split the plant somehow. I'll let you know. 99% of what I'm growing are in pots so suckering has not been an issue but hopefully I'll be able to get you something with roots on it. I hope all is well up your way.

by **jbergeson** » Fri Mar 29, 2019 12:04 pm

Nice cross, Rob. You really have to move to a farm in northern Vermont or up here in Minnesota to grow out all these hardy crosses.

I see you have some descendants of NW. Have you ever seen a juvenile reblooming seedling from NW? I'm wondering to what degree it is a true rebloomer and if it can pass on rebloom like a rugosa such as Belle Poitevine.

I'd be interested in a sucker of Nyveldt's White if you ever get one.

Your NWPP (Nyveldt's White x Prairie Peace) is interesting, too. Maybe a triploid. Any hips?

by **Rob Byrnes** » Fri Mar 29, 2019 10:48 am

Seed from another interesting cross germinated yesterday:

Nyveldt's White x Ann Endt

The only ancestors for this cross are species roses and they are R. rugosa rubra, R. cinnamomea, R. nitida, R. rugosa Thunb and R. foliolosa. All diploids. Both parents repeat, are very hardy, nearly disease free and are fertile. I'm hoping for a smaller shrub habit, good repeat, resistance and want to be surprised with a nice bloom color. Something other than a boring pink. These F1 should be solidly hardy in zone 3.

Down the road I'd like to use this cross with seedlings from my Metis x Rugluaca cross which would add more rugosa and nitida blood and adding R. daurica, R. woodsi, R. amblyotis and R. glauca genes.

http://helpmefind.com/gardening/l.php?l=2.4512 Nyvedlt's White

http://helpmefind.com/gardening/l.php?l=2.17637 Ann Endt

by **Rob Byrnes** » Sun Mar 24, 2019 3:41 pm

Hi David. I sure hope it does! There’s some really good genes there.

by **david mears** » Sun Mar 24, 2019 3:36 pm

Hi Rob, I have just had a look at the parents, they should produce a great outcome I think.

by **Rob Byrnes** » Sun Mar 24, 2019 3:24 pm

Another one that I've been hoping would germinate;

Thrive! x "Fire'n Spice"

I'm hoping for fertility in the F1 to have new source of rugosa blood. Both of these roses have excellent disease resistance and repeat well. Hopefully combining these two will result in something really nice.

http://www.helpmefind.com/rose/l.php?l=1.86553 Thrive

http://www.helpmefind.com/rose/l.php?l=1.92118&tab=1 FnS

by **Rob Byrnes** » Wed Mar 20, 2019 8:17 am

Thank you Duane! I'll post pics if anything interesting is revealed.

by **mntlover** » Tue Mar 19, 2019 2:04 pm

Rob, Good luck with those seedlings! I looked at the parentage of the first and was ready to say how interesting it is when I clicked on the second one: both look like interesting possibilities! I look forward to seeing how they turn out.
Duane (mntlover)

by **Rob Byrnes** » Mon Mar 18, 2019 6:52 pm

Lots of germination still happening and two of the more interesting to me are:

Metis x Ruglauca

This should be a solid zone 3 rose and hopefully there will be rebloom. Lots of species genes in this one.

http://www.helpmefind.com/gardening/l.p ... &lstTyp=16

The other is:

Canadian Shield x Campfire

Combined two Canadian roses. This is my first germination using Canadian Shield as the seed parent. There is lots of very hardy genes here. Should be at least zone 3 as well.

http://www.helpmefind.com/gardening/l.p ... &lstTyp=16

by **Larry Davis** » Wed Mar 06, 2019 9:04 pm

Update on my earlier post (pg 2 of this series). Those first germinations have yielded some flowers. One of interest is a yellow, looking very like #1100 in coloring and petalage. The mother is New Dawn x yellow mini which has a different flower shape and a more pink coloration. Another rather double with petal edge that turns pink with age is likely Brite Eyes x #1100. So far, so good, but we need about 3 more bloom cycles and a long summer to know what they really are. Many others have not bloomed. That is expected in a non-repeat x repeat cross of 2 tetraploids. Perhaps some will bloom later this spring. Spring hopes eternal.

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