RMV — slash and burn, or shrug and bear it?

last year

I’m pretty sure this is rose mosaic virus on my Camille Pissaro below below.

The rose next to it, Dream Come True, shows no virusec leaves at this point.

Apparently there are differences in opinion about how the virus is spread and what to do about it. I found two opposing opinions almost immediately.

Melinda Myers (I don’t know her, but others might) says, “Fortunately rose mosaic virus does not spread from infected to healthy rose plants in the garden. It is only spread through vegetative propagation. This means you can leave virus infected plants in the garden until their poor growth and flowering make them undesirable. Then remove and destroy the infected plants.”

https://www.melindamyers.com/audio-video/melindas-garden-moment-audio-tips/problems-pests-weeds/rose-mosaic-virus

Gardeningknowhow disagrees, but not based on experience:

“I have not had this virus show up in my rose beds to this point. However, if I did, I would recommend destroying the infected rose bush rather than take a chance upon it spreading throughout the rose beds. My reasoning is that there is some discussion about the virus being spread through the pollen, thus having infected rose bushes in my rose beds increases the risk of further infection to an unacceptable level. While it is thought that rose mosaic may spread by pollen, we know for a fact that it does spread through grafting.”

https://www.gardeningknowhow.com/ornamental/flowers/roses/rose-mosaic-virus.htm

“Some discussion”? I want to say it would take a lot more than that before I would tear out an otherwise healthy rose.

What have you done about this problem? Bear in mind we have probably had our last rain until November.

Featured Answer

Diane Brakefield

last year

We/re just a bunch of do-nothings. Diane

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Comments (25)

Diane Brakefield
last year
I just shrug rose mosaic virus off and regard it as a cosmetic problem. The few leaves affected usually are replace by those without the characteristic patterns once the weather warms up. The roses affected bloom and grow normally. I've never seen a decline in vigor. The first rose I grew that had RMV was nearly 20 years ago and it was Evelyn. She's still fine, and I've had several other infected roses over the years. I've got worse things to worry about at my age. Diane
SylviaWW 9a Hot dry SoCal thanked Diane Brakefield
rifis (zone 6b-7a NJ)
last year
Your instincts are sound, Sylvia. Yes; channel Star Wars.
SylviaWW 9a Hot dry SoCal thanked rifis (zone 6b-7a NJ)
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SylviaWW 9a Hot dry SoCal
Original Author
last year
CAnyone have another opinion? I want to do nothing, believe me.
Sheila z8a Rogue Valley OR
last year
I would do nothing.
SylviaWW 9a Hot dry SoCal thanked Sheila z8a Rogue Valley OR
susan9santabarbara
last year
I do nothing.
SylviaWW 9a Hot dry SoCal thanked susan9santabarbara
BenT (NorCal 9B Sunset 14)
last year
I also do nothing!
SylviaWW 9a Hot dry SoCal thanked BenT (NorCal 9B Sunset 14)
Kristine LeGault 8a pnw
last year
One of my Desdamona has had it and it hasnt spread or affected the vigor of the plant. I would leave it alone.
SylviaWW 9a Hot dry SoCal thanked Kristine LeGault 8a pnw
Diane Brakefield
last year
You're a loner. Diane
SylviaWW 9a Hot dry SoCal thanked Diane Brakefield
User
last year
last modified: last year
Anyone who suggests there is meaningful risk of spreading RMV to other roses via pollen (or root grafting) is being alarmist. The odds of that virus getting into any of your other roses is ridiculously close to zero. Ignore the alarmists.

That said, I think it's shameful that big nurseries are still selling plants infected with RMV viruses in 2023. This could have been resolved years ago, but the agents in charge dont have the willpower to do it.
SylviaWW 9a Hot dry SoCal thanked User
Ken Wilkinson
last year
I've got a couple of bush's with it. I just ignore it. I look at it as "variegated" foliage.
SylviaWW 9a Hot dry SoCal thanked Ken Wilkinson
oursteelers 8B PNW
last year
My Generous Gardener has it and I ignore it
SylviaWW 9a Hot dry SoCal thanked oursteelers 8B PNW
Feiy (PNWZ8b/9a)
last year
I also do nothing with it.
SylviaWW 9a Hot dry SoCal thanked Feiy (PNWZ8b/9a)
dianela7analabama
last year
I like the idea of looking it as Variegated foliage.
SylviaWW 9a Hot dry SoCal thanked dianela7analabama
SylviaWW 9a Hot dry SoCal
Original Author
last year
What wonderful support and suggestions! Dianela, I think the variegated foliage idea is terrific. Adds some interest to the bush!
henry_kuska
last year
The link presented in the first post concerning possible pollen spread was authored by:

" Stan V. Griep, American Rose Society Consulting Master Rosarian, Rocky Mountain District"

Here is another link that supports his post:

https://studylib.net/doc/5318491/ipm-of-rose-diseases---american-rose-society

Are there other links? See:

https://www.google.com/search?q=%22may+be+pollen+transmitted%22+%22roses%22&newwindow=1&rlz=1C1PQHB_enUS993US993&sxsrf=APwXEdeHyytTRh2KiMKVJXNsyIK42jfuLw%3A1681918316892&ei=bAlAZMqGNrugptQP8NWumAw&ved=0ahUKEwjK7Mb-obb-AhU7kIkEHfCqC8MQ4dUDCBA&uact=5&oq=%22may+be+pollen+transmitted%22+%22roses%22&gs_lcp=Cgxnd3Mtd2l6LXNlcnAQAzIKCCEQoAEQChCLAzIKCCEQoAEQChCLAzIKCCEQoAEQChCLAzIKCCEQoAEQChCLAzIKCCEQoAEQChCLAzoKCCMQrgIQsAMQJzoGCAAQFhAeOggIABCKBRCGAzoICCEQFhAeEB06BQghEKABOggIIRCgARCLAzoHCCEQoAEQCkoECEEYAVCuClieMmC_SWgBcAB4AIABsQGIAcAHkgEDMi42mAEAoAEByAEBuAEDwAEB&sclient=gws-wiz-serp

----------------------------------------------------------------------

Why do some people report that their (untested) rose virus infection did not cause problems?

See the following link:

temperature and rose mosaic virus (google.com)
SylviaWW 9a Hot dry SoCal thanked henry_kuska
User
last year
LOL I was waiting for that!
SylviaWW 9a Hot dry SoCal thanked User
PRO
Francis Roses
last year
last modified: last year
Tyler Francis of Francis Roses would love a zoom call and discuss how we're combating RMV and providing the best quality plants to customers. LMK if anyone is interested.
SylviaWW 9a Hot dry SoCal thanked Francis Roses
BenT (NorCal 9B Sunset 14)
last year
@Francis Roses I’d definitely be interested.
SylviaWW 9a Hot dry SoCal thanked BenT (NorCal 9B Sunset 14)
rifis (zone 6b-7a NJ)
last year
Yes I would be interested too.

Welcome Tyler.

You input on substantive rose issues here would be much appreciated, especially as Chris is no longer active here since the winding down of Newflora.
SylviaWW 9a Hot dry SoCal thanked rifis (zone 6b-7a NJ)
henry_kuska
last year
last modified: last year
Should we be concerned about which rose viruses are actually present in American roses?

There is a federally funded rose clean plant program. One interesting activity of this program was (is?) to test for which rose viruses were (are) present in select rose gardens.

https://ucanr.edu/sites/ncpnrose/files/330352.pdf

After you click on the link, remove %C2%A0 from the address.
SylviaWW 9a Hot dry SoCal thanked henry_kuska
PRO
Francis Roses
last year
Tyler Francis is inviting you to a scheduled Zoom meeting.

Topic: Francis Roses Zoom Meeting

Time: Apr 25, 2023 10:00 AM Arizona

Join Zoom Meeting

https://us02web.zoom.us/j/82727605357

Meeting ID: 827 2760 5357

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Find your local number: https://us02web.zoom.us/u/k1lkUcdO
SylviaWW 9a Hot dry SoCal thanked Francis Roses
User
last year
@Francis Roses Tyler, can you give us an idea of the topics you intend to discuss in the meeting, in a bit more detail, please? Thank you.

Paul Barden
SylviaWW 9a Hot dry SoCal thanked User
erasmus_gw
last year
I would like to hear about how large rose companies are dealing with RRD and chili thrips as well. I'm guessing they are up on the latest scientific information and recommended practices.

For those of us who miss the zoom meeting would someone like to summarize it for the rest of us?
Kimberly Wendt (Florida Z. 10b)
last year
I JUST saw that there was a Zoom yesterday. Gosh, I would have loved to learn more. Maybe it was recorded?

RMV — slash and burn, or shrug and bear it?

Diane Brakefield

Comments (25)

Diane Brakefield

rifis (zone 6b-7a NJ)

Related Professionals

SylviaWW 9a Hot dry SoCal
Original Author

Sheila z8a Rogue Valley OR

susan9santabarbara

BenT (NorCal 9B Sunset 14)

Kristine LeGault 8a pnw

Diane Brakefield

User

Ken Wilkinson

oursteelers 8B PNW

Feiy (PNWZ8b/9a)

dianela7analabama

SylviaWW 9a Hot dry SoCal
Original Author

henry_kuska

User

Francis Roses

BenT (NorCal 9B Sunset 14)

rifis (zone 6b-7a NJ)

henry_kuska

Francis Roses

User

erasmus_gw

Kimberly Wendt (Florida Z. 10b)

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RMV — slash and burn, or shrug and bear it?

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