Tob. Sci., 1960, 4-28, p. 147-150, ISSN.0082-4623
Controlled introgression in Nicotiana: a cytological study
North Carolina State College, Raleigh, North Carolina and United States Department of Agriculture, Beltsville, Maryland USA
The length of a N. glutinosa segment incorporated into a chromosome of N. tabacum during transfer of resistance to mosaic disease is considered. Since one cannot distinguish the chromatin of two species visually it was necessary to compare the...