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Northern report concerning rose rosette virus

9 years ago

"Dave Gade heard talk of rose rosette disease for 20 years before he ever saw any sign of it.
As garden operations supervisor for SchenectadyÃ¢ÂÂs Central Park Rose Garden and a master rosarian with The American Rose Society, he has tended a lot of roses during the 40-plus years heÃ¢ÂÂs been coaxing the thorny perennials to grow.
But it wasnÃ¢ÂÂt until recently that the disease, which has been on the radar in the U.S. since the 1940s, hit close to home.
Two years ago, Gade received phone calls from two Capital Region residents whose rose bushes had mysterious ailments. He went to take a look, and diagnosed both cases as rose rosette disease..........................Last summer, the disease reared its head in GadeÃ¢ÂÂs home garden, in a bush that had been in his yard for 25 years. He also discovered it in several of the 4,000-plus bushes in the Central Park Rose Garden."

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Rose gardeners should learn the symptoms of rose rosette virus
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Comments (2)
No. Dependence on that list may do harm. "Instantaneously recognizable" can't depend on those symptoms because roses react differently to RRv and symptoms change with time and exposure to (having the disesase in, and presumed titre increase) the disease. The stems and leaves are not always bright red, nor do they stay red/purple in all cultivars if they start out red. Growth may be extremely fast. Excessive thorns are not present on all infected cultivars, nor are they present on all stems. And on and on. It's a darned shame that the state extension people don't go to gardens in their own states and report what is IN their states. At one time, the extension people all reported that RRD wasn't a problem for cultivated roses. Then there was a comment unsupported by any published, juried paper, that RRD was also in the fruit trees. That, too, dropped after a year or two.
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I'm going back and rereading (multiple times this article) and then will get to the one Henry has linked sometime this weekend when I can get to a library with access. This could challenge a lot of assumptions that have been published in the juried literature. Emaravirus: A Novel Genus of Multipartite, Negative Strand RNA Plant Viruses
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Farmerduck, How many viruses can be cured? It's neither simple nor straightforward. Europeans have been working with black current viruses for over a century and are just now sorting out the assorted diseases involved. There are diseases that weren't even named three decades ago (that includes the different 'kinds' of viruses of which the emaraviruses are perhaps the most recent catagory established.
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Thanks Professor Henry. Just want to point it out, on your web page your Last revised date should be 8-13-2020, not 8-13-2920. :-)
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