Tob. Sci., 1974, 18-11, p. 28-29, ISSN.0082-4523
Introduction of flowering in Nicotiana acaulis and N. thyrsiflor
Tobacco Research Laboratory, Southern Region, Agricultural Research Service, U.S. Department of Agriculture, Oxford, North Carolina USA; North Carolina State University, Raleigh, North Carolina USA
One difficulty of maintaining a seed collection of the Nicotiana species relatives of cultivated tobacco is associated with the special day length and temperature requirements that some of them must have to initiate flowers and produce seeds. Two...