22,796 Garden Web Discussions | Roses

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henry_kuska

"Preliminary data showed that epsom salt application (in addition to N-P-K), on a monthly schedule, did not reduce the disease incidence but did reduce defoliation compared to plants receiving no secondary nutrients. However, the plants treated with epsom salts or CaCl2 were less vigorous and produced fewer flowers than nontreated plants or plants treated with calcium sulfate (Figure 2)."

http://www.aaes.auburn.edu/comm/pubs/highlightsonline/summer96/blackspot.htm
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"As to the claim of the effectiveness of Epsom salts to combat fungus infections in plants, no real evidence supports this. Reports done by Washington State University and other research facilities have shown that Epsom salts have no affect on apple scab or other mildews. However, many gardening enthusiasts and websites, including the National Gardening Association, say that applying Epsom salts can produce healthier plants by providing magnesium to the soil and reducing leaf loss."

http://homeguides.sfgate.com/epsom-salt-remedy-plant-fungus-89103.html

Here is a link that might be useful: link for first epson study

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bart_2010(8/9 Italy)

I gathered from Bierkreek that adding sugar to one's soil helps stimulate the growth of mychrorriza funghi (please excuse eventual spelling error). In fact, this year,I decided to try sprinkling white sugar around in my garden; NOT hundreds of pounds of it,of course;just a bit in each new rose hole,plus a couple bags sprinkled sparsely around on the soil. I can't see what harm it could do...

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jasminerose4u, California 9b

Have you considered purchasing it as a own-root rose? High Country Roses has it. They told me they only carry varieties that they believe do well own-root. The climbing rose I ordered from them is doing very well. Best wishes in your search.

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Michaela .:. thegarden@902 .:. (Zone 5b - Iowa)

What a gorgeous bloom!!

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kentucky_rose zone 6

Great to see blooming roses this late in the season!

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jerijen(Zone 10)

Amanda, I wish I could say that isn't true. But I am afraid it IS true. So sad.

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nummykitchen(Z5B)

I have this one along with Hypnotized and Neil Diamond on order for the spring. Can't wait for some new striped roses, they are always such a surprise with every bloom! I can't find either Hypnotized or Daring Spirit on hmf just yet but I loved your shot of Neil Diamond!!

Andrea

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AquaEyes 7a New Jersey

If by "pruned to make neater" you mean "make it grow as a tight bush, like a Hybrid Tea or Floribunda" then I'd say "probably not." Noisettes will grow into spreading shrubs, much like their 'R. moschata' ancestor. You should plant yours where you can fit something which will spread up to eight feet wide. Some people grow it trained as a broad and shrubby climber, so that's another option. But trying to keep it "small, neat, and tidy" will be going against how this rose wants to grow, and will be an on-going and often losing battle. See pics of it on HelpMeFind in the link below.

As for care, simply think of it as a big flowering shrub. Throw some RoseTone or other organic fertilizer on it when it starts leafing out in Spring, maybe again after the peak of Summer heat has passed, and water it deeply when you go past a week without rain. Otherwise, the old Noisettes are pretty easy where it's not too cold for them -- and if you're in USDA zone 8b, you're right where they love to be.

Check the Antique Rose Forum for more information on this and other Noisettes.

:-)

~Christopher

Here is a link that might be useful: 'Champneys' Pink Cluster' on HelpMeFind

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bluegirl_gw

Hey Pinkpearls,
Champney's does great in TX. It grows big enough that it needs to be put in the ground, eventually. If you can plant it while the weather is cool, it will help it to get its roots established to survive summer heat.

Plant it in a good soil mix, in good sun, & mulch well.

I'd resist the temptation to tidy it up by pruning now. In fact, I'd not prune for 2-3 years (yes, YEARS). Young roses, especially the ogrs, often go through a gangly "teenager" stage of sloppy irregular growth. But they need every cane & leaf to feed them while growing.

My 20+ yr. old Champney's is now a nice upright vase shape of long, thick basal canes topped by flowering sprays. I only occasionally remove a cane (from ground level, every year or so) to allow room for new basals to come up & renew the plant.

It's a good looking rose & blooms almost continuously.

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AquaEyes 7a New Jersey

OK, so to answer the question "Shouldn't this be considered as evidence that PNRSV can infect roses by mechanisms other than grafting?", I say "No, because other methods of infection were not excluded, and thus this fails to disprove your null hypothesis."

:-)

~Christopher

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henry_kuska

Christopher, could you give a reference for your use of "Null hypothesis"?

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The following was stated: "Henry's science background is in Chemistry. Mine was originally Animal Science for Pre-Vet, then a recent "second time around" at college for Psychology and Physical Anthropology, with special interests in genetics, ethology, and a dash of neural and hormonal influences on behavior. So neither of us is really the one to ask about plant viruses. That person would be Dr. Malcolm Manners."
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H.Kuska comment. A Ph.D degree in Physical Chemistry is expected to prepare a scientist to investigate the physics, and chemistry involved in understanding nature. It is a very broad theoretical based major in nature understanding.

Some examples can be found in the following links:

http://degreedirectory.org/articles/Colleges_with_Physical_Chemistry_Degree_Programs_FAQs.html

"Physical chemistry seeks to understand the physical and scientific basis of molecular properties and chemical phenomena. It can be used to understand how proteins fold, how nanostructures form and why holes in the ozone layer originated"

http://degreedirectory.org/directory/category/Physical_Science/Chemistry_Sciences/Theoretical_and_Physical_Chemistry.html
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Regarding Dr. Manners knowledge and my knowledge of rose viruses. In almost any field there are more than one Ph.D. scientist that can contribute to the field.

This is illustrated in this particular situation by the citations in one of the most recent rose viruses reviewed published scientific papers.

Dr. Manners is cited for his: " Manners MM (1997) Effects of rose mosaic disease on performance of hybrid tea roses in Florida. Proc Fla State Hortic Soc 110:118��"121"

This is the context for the use of his presented paper: "Previous reports have shown that symptom expression, virus distribution and virus detection can be influenced by several factors including cultivar, changing seasons/weather and growing conditions (Manners 1997; Sala-Rejczak and Paduch-Cichal 2005; Sertkaya 2010; Wong et al. 1988)."

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I am cited for the following paper: "Kuska H (2003) Can North American rose hybridizers use pollen from virus infected roses? Rose Hybridizers Assoc Newsl 34:7��"10"

This is the context for the use of my paper: "PNRSV is known to be transmitted mechanically, by root grafting and by seed (Abdel-Salam et al. 2008; Golino et al. 2011). The virus may be transmitted by pollen in rose although this hasn’t been fully ascertained (Kuska 2003)."

AND

"Reports of pollen transmission of ApMVin rose are inconclusive (Kuska 2003), but in view of the characteristics of other ilarviruses, it is possible that ApMV could be dispersed by pollen."

I feel that the appearance of any reference (unless being attacked) in a reviewed scientific journal means that the authors, reviewers, and editor feel that it has scientific merit for being included.

Here is a link that might be useful: link to recent rose research virus paper

This post was edited by henry_kuska on Fri, Dec 26, 14 at 10:53

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seil zone 6b MI

Usually this time of year is pretty damp and the roses shouldn't need extra watering. They are dormant so they're not using a lot of water anyway. They do need some water over the winter but if you get rain and snow that should be more than enough.

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zack_lau z6 CT

I wrapped the HTs in the front yard with burlap today--it was 51 degrees! A wrap a burlap prevents the canes breaking off at the bud union despite high winds and icing. Unlike mulch, I can still use burlap in the cold--around here it often freezes into a solid mass.

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ms. violet grey

I see beauty in Young Lycidas. Superb fragrance. Tall & upright here.

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lorrihz(9 - Las Vegas)

i live in overly sunny Las Vegas, and found that the first year, I do get the spider arms, but after the 2nd year, the plants became more upright.

Having moved to the new house and put the new garden together, I did find that the plants that made it into the ground too late in spring were more spidery. My landscaper did not finish with the irrigation system and pavers until mid May. but I still get some lovely roses, and it is almost Christmas:

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buford(7 NE GA)

Looks too pink to be Prosperity.

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lorrihz(9 - Las Vegas)

lol...sorry...i forgot t mention that the rose in the background is a new New Zealand ht. the smaller white rose in front of the lavender is the remaining bloom from the Prom Queen.

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Sow_what? Southern California Inland

Wow -- this came out fantastic -- great job! What a treat to make it back on and see this all put together with such beautiful gifts from our gardens. Thanks everyone and Merry Christmas!

jannike

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dove_song(WA State Z6b)

Wonderful!!! Merry CHRISTmas you all. Peace on earth, and goodwill to all men, women and children. :)

This post was edited by dove_song on Tue, Dec 23, 14 at 17:14

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roseseek(9)

There are hybrid musks/multifloras which can flower with scent in quite a bit of shade, Cynthia, but it all depends upon how dense and complete that shade is. None flower or grow well in "darkness". Kim

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boncrow66

Yes, the Bonnie Jean rose. I would love to have one just because it's my name. There is not much info on it but I think it's a single petal rose.

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plantloverkat north Houston(zone 9a)

I'm not even close to your zone, and I don't grow these roses, but here are a few more ideas for you.
Repeat blooming:
Autumn Sunset
Colette
Royal Sunset
Above and Beyond
If you are willing to go with a once bloomer:
Albertine
Alchymist

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arlene_82 (zone 6 OH)

Thanks to everyone for the incredibly helpful suggestions. Will certainly be doing some research on these during my holiday downtime.

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anntn6b(z6b TN)

I think Larry and I will be there. It's a joint meeting with Carolina District.

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buford(7 NE GA)

Great Ann, I would love to meet you in person.

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bkay2000(8a TX)

You trim roses in February here. We have forsythia here, so I'll pay attention when they bloom.

Thanks for all your help.

bk

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AquaEyes 7a New Jersey

I found resin barrel pots at Home Depot for $20 each. They're 22 1/2 inches in diameter across the top. I used them for the larger of my pot-pet Hybrid Teas. See link below, and pics of mine after planting roses and annuals in them.

:-)

~Christopher

http://www.homedepot.com/p/Unbranded-22-5-in-Resin-Whiskey-Barrel-HDR-505742/203580708

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buford(7 NE GA)

That's just south of Athens. Lots of gardens out there, and the UGA test rose gardens. What an ugly disease.

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anntn6b(z6b TN)

What short sighted folks to let that many roses get infected before they did anything about it.
Because with RRD, doing nothing, waiting to form a committee to decide what to do, is a recipe for disaster.

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