Tob. Sci., 1959, 3-21, p. 89-93, ISSN.0082-4623
Alkaloid composition of species of Nicotiana
Plant Industry Stations, U.S. Department of Agriculture, Beltsville, Maryland USA
The kind and amount of alkaloids in green and air-cured samples of 27 species and varieties of Nicotiana were investigated. Unpruned plants of each species and, whenever possible, pruned (topped and suckered) plants were used. In many species the...