Resistance to rose rosette virus

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henry kuska
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Resistance to rose rosette virus

Post: # 62755Post henry kuska
Sat Dec 26, 2015 11:45 pm

A thread concerning the above title has been started on the Antique Rose Forum by one of the main rose rosette virus researcher, Ioannis Tzanetakis .

http://forums.gardenweb.com/discussions ... -virus?n=7

david zlesak
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Re: Resistance to rose rosette virus

Post: # 62760Post david zlesak
Tue Dec 29, 2015 9:32 am

Has someone in RRD infected regions grown Stormy WeatherTM and noticed if it became infected?

tsilvers
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Re: Resistance to rose rosette virus

Post: # 62761Post tsilvers
Tue Dec 29, 2015 10:53 am

We've definitely got a lot of RRD here in Maryland, but I've never tried 'Stormy Weather' [yet!]
However, I've already ordered a plant that should ship to me around May 2. Maybe I'll plant it next to something badly infected to really give a test.
I realize the expert advice is to remove and destroy all infected roses, but there are so many infected multifloras surrounding us here, serving as a huge disease reservoir, that the dying cultivated roses on our own property seem like only a tiny drop in the bucket. I figure that I might as well try to make a silver lining out of this dark cloud and take advantage of the high selective pressure we've got available here. ;0)

andre carl
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Re: Resistance to rose rosette virus

Post: # 62766Post andre carl
Tue Dec 29, 2015 4:50 pm

I had a cloud of infected mites drift through my garden last year (2014). They caused about 25% of the stock to show signs of the disease by the end of summer 2014. Stormy Weather was grown by one severely infected plant of another variety and still does not display any infection. I don't know if growing conditions matter much with this disease but both were grown in pots and were pretty cramped with other potted varieties.

henry kuska
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Re: Resistance to rose rosette virus

Post: # 67478Post henry kuska
Sat Mar 31, 2018 5:39 pm

Has anyone experienced any Rose Rosette infection on Stormy Weather since the last post in 2015?

david zlesak
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Re: Resistance to rose rosette virus

Post: # 67485Post david zlesak
Sun Apr 01, 2018 9:54 am

Hi Henry,

It sounds like Dr. Byrne and his student that generated crosses with it have given up using it as a parent and determined Stormy Weather was likely just an escape is Patrick's grafting exercise. It sounds like infected plants were found in either the RRD field trials being done with collaborators funded by the grant or in someone's landscape.

henry kuska
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Re: Resistance to rose rosette virus

Post: # 67487Post henry kuska
Sun Apr 01, 2018 11:41 pm

Thank you Dave. Is there a link where they post results like this?

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