Search found 188 matches

by Plazbo
Wed Nov 25, 2020 2:49 am
Forum: Rose Hybridizers Association Forum
Topic: Yellow Species Roses?
Replies: 6
Views: 96

Re: Yellow Species Roses?

I've started using Golden Cheronese....it didn't start setting hips til it's third year. There's a theory on these forums that the deeper yellow from Rosa Ecae is only inherited from seed, part of the reason behind using Golden Cheronese (and that R. Ecae just hasn't been accessible). The seed also ...
by Plazbo
Sat Nov 14, 2020 9:37 pm
Forum: Rose Hybridizers Association Forum
Topic: 0% germination, what am I doing wrong
Replies: 8
Views: 200

Re: 0% germination, what am I doing wrong

There's some research papers about germination being better below 15C and above freezing (so below 60F). Seems to generally hold true for me (I sow outside, often directly from hip in March/Autumn/Southern Hemisphere) and usually get a bunch of germination from April onwards (which is typically when...
by Plazbo
Fri Nov 13, 2020 8:23 pm
Forum: Rose Hybridizers Association Forum
Topic: Splash and Dash equals Bad Technique?
Replies: 36
Views: 1187

Re: Splash and Dash equals Bad Technique?

Anyone know much/tried anything with 6-Benzylaminopurine or 1-Naphthaleneacetic acid? Comes up in other genus of plants, usually at 0.1% concentrations which seems to help with fertility in some cases.
by Plazbo
Thu Nov 12, 2020 6:34 pm
Forum: Rose Hybridizers Association Forum
Topic: Germinating Alba seeds...question...
Replies: 8
Views: 417

Re: Germinating Alba seeds...question...

Hi, David, When I did a lot of caninas, I used our natural winter here, which hovers between 33-40F, is dark, and very wet. So an outdoor temperate rainforest winter will do the trick. Only 1-2 days per winter will there be light snow, and about 1-2 weeks total have frost w/no moisture in the air. ...
by Plazbo
Tue Nov 10, 2020 5:45 pm
Forum: Rose Hybridizers Association Forum
Topic: Splash and Dash equals Bad Technique?
Replies: 36
Views: 1187

Re: Splash and Dash equals Bad Technique?

Pollen pouches are separate and related by trait or class yes. To me it doesn't matter which pollen parent/s succeed or not since I'm looking for specific traits in the seedlings, ie Yellow, if the seedlings don't have yellow then it probably doesn't benefit me in my goals to keep them. Similar with...
by Plazbo
Mon Nov 09, 2020 11:13 pm
Forum: Rose Hybridizers Association Forum
Topic: Splash and Dash equals Bad Technique?
Replies: 36
Views: 1187

Re: Splash and Dash equals Bad Technique?

I tend to repeat pollination, if the blooms still there why not? But I also mostly mix pollen into loose groups (ie 2n species, 4n OGR, Yellow, etc) so pollen isn't really lacking. Mostly came from some research paper about beardless iris (granted different genus and different process but who knows)...
by Plazbo
Fri Nov 06, 2020 2:15 am
Forum: Rose Hybridizers Association Forum
Topic: Need Advice - I'm Just Starting Out
Replies: 10
Views: 341

Re: Need Advice - I'm Just Starting Out

I am more of a beginner than you, but you mention purple roses and I am over the moon with my purple floribunda Blue For You (Pejamblu). In the summer it produced many beautiful semi-double lilac-purple flowers, which hold themselves up well, no drooping, followed by beautiful large orange-red hips...
by Plazbo
Mon Nov 02, 2020 1:40 am
Forum: Rose Hybridizers Association Forum
Topic: 2020 Seed Exchange
Replies: 10
Views: 616

Re: 2020 Seed Exchange

Spins are two years too (same with the diploid yellow pimps), not difficult, just slow if using as seed parent.
by Plazbo
Tue Oct 20, 2020 2:41 am
Forum: Rose Hybridizers Association Forum
Topic: This is news to me
Replies: 12
Views: 591

Re: This is news to me

It should be noted that many plant trademarks and trade designations are already being used or applied in ways that are at odds with the intended purpose, since they are meant to denote a business or brand/line rather than individual varieties. That happens here in Australia too. It's interesting h...
by Plazbo
Tue Oct 20, 2020 2:30 am
Forum: Rose Hybridizers Association Forum
Topic: Experience with prospective parents?
Replies: 6
Views: 574

Re: Experience with prospective parents?

Plum Perfect hasn't been a willing seed parent for me, sometimes but not reliably...nothing of particular interest from it's seedlings. Quicksilver only came out so can't comment on fertility, it is a lot pinker than a lot of the marketing pictures indicate which rubs me the wrong way. Another newis...
by Plazbo
Sat Aug 01, 2020 10:24 pm
Forum: Rose Hybridizers Association Forum
Topic: Cercospora
Replies: 12
Views: 1869

Re: Cercospora

I have Many Happy Returns, it spots here not super bad but nothing special either. It can produce healthier seedlings than itself, some seem near completely spot free here but often some other issue for my conditions (ie seedling failure in extreme heat). It's probably worth someone in a more temper...
by Plazbo
Mon Jul 27, 2020 6:50 pm
Forum: Rose Hybridizers Association Forum
Topic: All A'Twitter x Yatkan
Replies: 35
Views: 3943

Re: All A'Twitter x Yatkan

I don't seem to have downy mildew here, although I'm not sure I know what it looks like. A lot like BS. Just usually more dark purple or brown based, not as neat (any shape, very irregular where blackspot is loosely spot shaped) and leaves don't typically yellow the same way as BS. Also tends to st...
by Plazbo
Mon Jul 27, 2020 1:03 am
Forum: Rose Hybridizers Association Forum
Topic: Rebloomers genes
Replies: 20
Views: 3369

Re: Rebloomers genes

Paul Guerts E2506 sort of fits that
https://www.helpmefind.com/rose/l.php?l=2.74408.0

Based on posts he made back in 2015/2016 on these forums that was the only one that repeated, he did go on to breed it with others rugosa and rugosa hybrids (like schneezwerg and metis) but no info on those results.
by Plazbo
Sat Jul 25, 2020 12:11 am
Forum: Rose Hybridizers Association Forum
Topic: Rebloomers genes
Replies: 20
Views: 3369

Re: Rebloomers genes

So, yeah, there is something different in the repeat from rugosa roses and the repeat from china roses. I tend to agree despite some older posts on these forums suggesting they are complimentary. Calocarpa (rug x china) has been a once bloomer for me, it may still be establishing itself but hasn't ...
by Plazbo
Sun Jul 19, 2020 8:18 pm
Forum: Rose Hybridizers Association Forum
Topic: pictures Martin Frobisher Seedling
Replies: 29
Views: 3508

Re: pictures Martin Frobisher Seedling

Re blackspot variants, maybe this was the thread

viewtopic.php?f=2&t=56480
by Plazbo
Thu Jul 16, 2020 6:20 pm
Forum: Rose Hybridizers Association Forum
Topic: pictures Martin Frobisher Seedling
Replies: 29
Views: 3508

Re: pictures Martin Frobisher Seedling

Warren's TB seedlings are healthy, clearly it's not as problematic in getting healthy seedlings from as implied, like most things though location likely plays a role. I mean you find Schneezwerg 'one of the most disease resistant Rugosas to work with' yet here it's one of the worst, around 75% infec...
by Plazbo
Wed Jul 15, 2020 7:42 pm
Forum: Rose Hybridizers Association Forum
Topic: pictures Martin Frobisher Seedling
Replies: 29
Views: 3508

Re: pictures Martin Frobisher Seedling

TB is being used by Warren, so sooner or later likely new TB derived plants will be on the European market so claims of obsoletion should be taken as opinion rather than fact.
by Plazbo
Fri Jun 12, 2020 10:05 pm
Forum: Rose Hybridizers Association Forum
Topic: Are Roxburghii flowers supposed to look like this?
Replies: 8
Views: 893

Re: Are Roxburghii flowers supposed to look like this?

No, like the above it looks more multiflora based.
The foliage is very wrong for roxburghii
by Plazbo
Thu Jun 11, 2020 8:22 pm
Forum: Rose Hybridizers Association Forum
Topic: Are centifolia roses sterile
Replies: 3
Views: 420

Re: Are centifolia roses sterile

Picky and difficult from most accounts. I think heat may be a factor. I had Crested Moss set seed (some are germinating at the moment) this past season. It was hot and I really threw a lot of pollen at it (often pollinated each bloom 3 times a day for several days...seemed like less effort that look...
by Plazbo
Tue Jun 09, 2020 9:10 pm
Forum: Rose Hybridizers Association Forum
Topic: hardiest reblooming diploid?
Replies: 47
Views: 6094

Re: hardiest reblooming diploid?

Although it makes me wonder if there is some difference in different plants of the same cultivar? Or is climate causing the difference? Or soil? Probably all of the above. Just as an example, Crested Moss set seed here (after digging for pollen in the first bloom it seemed more hassle than it was w...