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Published in Crop Sci 10:545-547 (1970)
© 1970 Crop Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Distribution of Total 3-Beta-hydroxysterols in Burley Tobaccos1

D. L. Davis, P. D. Legg and G. B. Collins2

Phytosterol levels in air-cured hurley tobacco, Nicotiana tabacum L., ranged from 1.40 to 2.10 mg/g of dry weight. The pattern of sterol distribution in the tobacco plant was characterized by a linear increase from the base to the apex. Within a leaf, the sterol distribution was also linear with increasing levels from the basal section to the tip of a leaf.

Key Words: Phytosterols • Plant Steroids

1 Cooperative investigation of the Department of Agronomy, Kentucky Agricultural Experiment Station, and the Crops Research Division, Agricultural Research Service, United States Department of Agriculture. The investigation reported in this paper (70-3-22) was in connection with a project of the Kentucky Apricultural Experiment Station, Lexington, 40506, and is published with approval of the Director. The study was supported by Agricultural Research Service, U. S. Department of Agriculture, Contract No. 12-14-100-9521 (34), administered by the Crops Research Division, Beltsville, Md.

2 Assistant Professor of Agronomy, University of Kentucky; Research Geneticist, Crops Research Division, Agricultural Research Service, U. S. Department of Agriculture; and Assistant Professor of Agronomy, University of Kentucky, respectively.

Received for publication February 27, 1970.




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