References
- 1. Arnon, D. 1.: Plant Physiol. 24 (1949) 1-15.
- 2. Burnett, J. H.: in: Chemistry and biochemistry of plant pigments, ed. by T. W. Goodwin; Academic Press, London, 1976, pp. 655-679.
- 3. Chaplin, J. F.: Crop Sci. 17 (1977) 21-22.
- 4. Chaplin, J. F.: Crop Sci. 9 (1969) 169-172.
- 5. Clausen, R. E., and D. A. Cameron: Genetics 35 (1950) 4-10.
- 6. DeJong, D. W., and W. G. Woodlief: Tobacco Sci. 18 (1974) 102-104.
- 7. Kallianos, A. G.: Recent Advances in Tobacco Sci. 2 (1976) 61-79.
- 8. Ass. Offic. Agric. Chemists (A.O.A.C.): Methods of analysis, 8th ed., ed. by W. Horwitz; Ass. Offic. Agric. Chemists, Washington, D. C., 1955, pp. 234-235.
- 9. Nolla, J. A. B.: J. Agric. Univ. Puerto Rico 18 (1934) 443-462. 10, Sheen, S. J.: Plant Physiol. 52 (1973) 422-426.
- 11. Sheen, S. J., and J.Calvert: Plant Physiol. 44 (1969) 199-204.
- 12. Sheen, S. J., and J. Calvert: Tobacco Sci. 13 (1969) 10-12.
- 13. Sheen, S. J., J. Calvert and G. R. Rebagay: Crop Sci. 9 (1969) 547-550.
- 14. Sheen, S . J., C. Grunwald and J. L. Sims: Can. J. Plant Sci. 53 (1973) 897-905.
- 15. Tso, T. C., R. Lowe and D. W. DeJong: Beitr. Tabakforsch. 8 (1975) 41-51.