This plant has been a significant source of disease resistance in flue-cured and burley tobacco. Some of the disease impacted by resistance from this species are: black shank, cyst nematode, root-knot nematode, and wildfire. The resistance form N. longiflora imparts near immunity to race 0 black shank, but no resistance to race 1. One of the varieties still in use today is 14 x L8, the second most popular burley tobacco variety in the U.S..
US Patent Issued to US Smokeless Tobacco on Sept. 21 for "Nicotiana Kawakamii Smokeless Tobacco" (Connecticut Inventor)
Sep 22, 2010; ALEXANDRIA, Va., Sept. 22 -- United States Patent no. 7,798,153, issued on Sept. 21, was assigned to US Smokeless Tobacco Co....