Tob. Sci., 1968, 12-40, p. 177-180, ISSN.0082-4623
Genetic diversity and heterosis in Nicotiana. II. Oriental x flue-cured variety crosses
North Carolina State University, Raleigh, NC USA
Heterosis, measured as percentage increase of F1 hybrids above mid-parents from Oriental × flue-cured variety crosses was greatly increased from that normally found among crosses of flue-cured varieties but less than that normally found when...