Search found 1880 matches

by Don
Sun Nov 15, 2020 9:45 pm
Forum: Rose Hybridizers Association Forum
Topic: 0% germination, what am I doing wrong
Replies: 8
Views: 213

Re: 0% germination, what am I doing wrong

Drop the temp back to ice cold but not freezing for a few days then raise it to to 45 to 55 degrees and hold them there.

As Joe suggests you should check a few to make sure that you have viable embryos.

Where in Massachusetts are you?
by Don
Wed Nov 04, 2020 8:49 am
Forum: Rose Hybridizers Association Forum
Topic: Hesperhodos experiment
Replies: 3
Views: 167

Re: Hesperhodos experiment

Very interesting. Very, very rare,do whatever it takes to keep them alive.
by Don
Sun Nov 01, 2020 6:51 pm
Forum: Rose Hybridizers Association Forum
Topic: Quiz
Replies: 6
Views: 246

Re: Quiz

>> Joe Winchell and Ralph Moore applied for unpaid internships with Burbank? He rejected both, stating he felt neither "would ever amount to anything". Hmm. I'm thinking Ralph might have spun that yarn a little thin but I guess it's possible. Ralph was born right at the beginning of 1907 while Joe w...
by Don
Sun Nov 01, 2020 1:28 am
Forum: Rose Hybridizers Association Forum
Topic: Quiz
Replies: 6
Views: 246

Quiz

One question, and I don't know the answer:

What thornless rose grows in the garden of Luther Burbank's former home in Santa Rosa, California and did he breed it? (ok, that's two questions.)

https://en.wikipedia.org/wiki/Luther_Burbank
by Don
Thu Oct 22, 2020 2:11 pm
Forum: Rose Hybridizers Association Forum
Topic: This is news to me
Replies: 12
Views: 600

Re: This is news to me

Here is an article on the branding situation with apples which parallels somewhat the situation with the horticultural industry. You'll note that the apple branding competition started with the abandonment of the apple growers cooperative marketing effort at the turn of the century, a situation that...
by Don
Thu Oct 22, 2020 8:46 am
Forum: Rose Hybridizers Association Forum
Topic: Memory stress test
Replies: 7
Views: 354

Memory stress test

Or should I say Stress Memory Test? Researchers Surprised After They Graft Tomato Plants With Epigenetically-Modified Rootstock https://scitechdaily.com/researchers-surprised-after-they-graft-tomato-plants-with-epigenetically-modified-rootstock/ At first read this article seemed like a flashback to ...
by Don
Fri Oct 16, 2020 7:38 pm
Forum: Rose Hybridizers Association Forum
Topic: Will hips ripen indoors?
Replies: 7
Views: 523

Re: Will hips ripen indoors?

If they are 100 days old or close to it then they are mature enough to harvest. Otherwise yes. Leave the lights on 24/7.
by Don
Fri Oct 16, 2020 1:43 pm
Forum: Rose Hybridizers Association Forum
Topic: This is news to me
Replies: 12
Views: 600

This is news to me

Star, Bailey and a few other nurseries have struck up a trade association for trademark enforcement.

https://markwatchplants.com/about-us

Does anyone know what the initials CPBR stand for?
by Don
Thu Oct 01, 2020 4:51 pm
Forum: Rose Hybridizers Association Forum
Topic: Zaiger work flow
Replies: 6
Views: 533

Re: Zaiger work flow

Yeah, I thought the comment about humidity was a key takeaway too.

Did you notice what Tracee Bettencourt said when asked about the pollen viability at the 24 minute mark?
by Don
Thu Oct 01, 2020 2:12 am
Forum: Rose Hybridizers Association Forum
Topic: Zaiger work flow
Replies: 6
Views: 533

Zaiger work flow

https://www.youtube.com/watch?v=ixLdH8d1nNo&feature=emb_rel_end There are some pretty interesting moments in this video which shows the hybridizing operation at Zaiger Genetics. Floyd Zaiger passed away this summer at age 94. He wasn't much for small talk as this video shows but his legacy speaks vo...
by Don
Wed Sep 30, 2020 3:25 am
Forum: Rose Hybridizers Association Forum
Topic: Splash and Dash equals Bad Technique?
Replies: 36
Views: 1209

Re: Splash and Dash equals Bad Technique?

The float-sink test is a very reliable indicator of seeds having no embryo. Empty seeds float. It's not 100% but in my test it was 99%.
by Don
Tue Sep 29, 2020 9:37 pm
Forum: Rose Hybridizers Association Forum
Topic: Splash and Dash equals Bad Technique?
Replies: 36
Views: 1209

Re: Splash and Dash equals Bad Technique?

That's a really good question. For sure it means that you did a good job of emasculation. Whether the pollen was then applied in sufficient amount to effect a successful pollination is a function of the compatibility of the pollen with respect to self-incompatibility (SI) genes and with respect to c...
by Don
Wed Aug 26, 2020 10:32 am
Forum: Rose Hybridizers Association Forum
Topic: Subscription
Replies: 3
Views: 573

Re: Subscription

My guess is that you would be able to find that information in your membership account pages:

http://www.rosebreeders.org/amember/login

Might be possible to renew from there too.
by Don
Fri Jun 19, 2020 11:56 pm
Forum: Rose Hybridizers Association Forum
Topic: Video tour including Metis and Bella Nitida
Replies: 9
Views: 1533

Re: Video tour including Metis and Bella Nitida

Very interesting work, Joe. The several cases of assumed identity remind me of the stories I have heard about Percy Wright 'guestimating' the parentage of his hybrids from their phenotypes and nearest neighbors. Regarding the suspect Tuscany cross, it does look doubtful that it has Persian Yellow in...
by Don
Wed Jun 17, 2020 10:42 pm
Forum: Rose Hybridizers Association Forum
Topic: Beeble Gun pollination
Replies: 0
Views: 774

Beeble Gun pollination

https://www.bbc.com/news/science-environment-53081194

Specifically, soap beeble guns get the job done equally as well as your own fingertips.
by Don
Fri Jun 12, 2020 1:39 pm
Forum: Rose Hybridizers Association Forum
Topic: hardiest reblooming diploid?
Replies: 47
Views: 6112

Re: hardiest reblooming diploid?

Joe, when doe the breeding season end for your virginiana hybrids?
by Don
Mon Jun 08, 2020 1:19 pm
Forum: Rose Hybridizers Association Forum
Topic: Yellow seedling
Replies: 12
Views: 1143

Re: Yellow seedling

It looks like there are more than the one yellow seedling and a bit of red on the reverse of one. Are these all from the same cross?
by Don
Sun Jun 07, 2020 12:36 am
Forum: Rose Hybridizers Association Forum
Topic: Pesticides/Fungicides on pollinated plants.
Replies: 3
Views: 398

Re: Pesticides/Fungicides on pollinated plants.

>> my only question at this point is if there needs to be a waiting period after pollinating to spray. Not in my experience which is to say I use Bayer/Bioadvanced products, particularly their Complete Insect Killer and Disease Control for Roses, Flowers and Shrubs. I conduct a prophylactic spray re...
by Don
Tue May 19, 2020 10:03 pm
Forum: Rose Hybridizers Association Forum
Topic: Is pollen's DNA the same on all flowers of a plant?
Replies: 7
Views: 1066

Re: Is pollen's DNA the same on all flowers of a plant?

Looks like OE Italian Ice has mutable color -

https://www.helpmefind.com/gardening/l.php?l=21.308284

>> Is the genome of two flowers on the same plant identical

Well, the correct answer in Bio 204 would be yes. You can get the occasional mutation on a bud, though.