'MR1' reviews and comments

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'MR1' Reviews & Comments

most recent 22 FEB 22 RoseMR1

Initial post 11 MAR 09 by HMF supporting member

Nice seedling Tom. Is it fertile?

Reply #1 posted 20 FEB 22 by styrax

I have some suckers of this plant: it isn't seed-fertile- mostly making empty hips.

Reply #2 posted 20 FEB 22 by HMF supporting member

Have you tried the pollen?

Reply #3 posted 21 FEB 22 by tesilvers

Hi Robert, Nearly every flowers sets an OP hip and the pollen works pretty well too. Like the native tetraploids, it tends to be a little finicky about accepting pollen from modern roses.

Reply #5 posted 22 FEB 22 by HMF supporting member

Tom, How great to hear from you. It's nice to know you're still at it. I'm also lurching along. These projects take year, don't they? How's the health of MR1 where you are?

Reply #4 posted 21 FEB 22 by tesilvers

Hi Jakub, did I send you “MR1”? I know I sent the related “3/4 Native” which shares the same seed parent but was from virginiana pollen rather than ‘Carefree Sunshine’. But actually I’m still puzzled because “3/4 Native” pollen is very fertile and although it doesn’t easily accept modern rose pollen, it sets LOTS of OP hips.

Reply #6 posted 22 FEB 22 by styrax

You're right, my mistake! I haven't been able to get seedlings out of 3/4 Native, although I also haven't tried too hard. It's in a fairly shaded place, which might affect fertility.