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Re: We're waiting...

Can't supply what you ask for, Jim. But I can attest to the fact that it was policy when I worked at the National Experiment Station at Beltsville. Smokers were not allowed in certain greenhouses. And this was at a time when USDA was denying the Surgeon General's report on lung cancer and other heretical tracts, such as Silent Spring. You might ask USDA-ARS directly for the answer to your question.

The notion was, as I now recall, related to transfer of the virus by physical contact. Burning the evil weed had little or nothing to do with it, although it was obviously caught up in the prohibitions. That is, it's very difficult to put a cigaret in your mouth and light it if you don't touch it.

On Wednesday, March 17, 2004, at 07:02 PM, James R. Fisher wrote:

Cersgarden@aol.com wrote:
In a message dated 3/17/04 4:14:02 PM, jsinger@igc.org writes:
<< I would also think that tobacco smoke, with its ability to spread tobacco mosaic virus and who knows what else, would be a no-no in any nursery. >>
This is definitely my thought too!
   I have heard this, and the contrary as well. I'm not certain it's
true truth vs. horticultural legend.
   I find it difficult to imaging how an organic virus could survive
unscathed after being heated to glowing red heat in the tip of a
   Can anyone supply _evidence_ of its accuracy from, say, university
or USDA peer-reviewed investigation ?
Jim Fisher
Vienna, Virginia USA
38.9 N 77.2 W
USDA Zone 7
Max. 105 F [40 C], Min. 5 F [-15 C]

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Island Jim
Southwest Florida
Zone 10

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