Can anyone share information regarding procurement of authentic wild type Nicotiana tabacum seeds?
You can try to contact National Bureau of Plant Genentic resources (NBPGR)
There are two main sources of Nicotiana germplasm. One is North Carolina State University
http://www.ars-grin.gov/cgi-bin/npgs/html/site_holding.pl?TOB
a second one is in Bergerac, France
http://www.imperialtobaccoscience.com/index.asp?pageid=29
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