<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Leaves from 8 stalk positions from four Burley tobaccos, the cultivars Burley 21, Ky 14 and Ky 12 and one breeding line of low-alkaloid Burley 21 (LA Burley 21), were tested in this study. A total of 116 variables, including leaf and smoke characteristics, were determined by collaborating scientists using established methods. Simple correlations and multiple regressions among selected variables were determined to examine the relationship among these variables. Generally, Burley tobaccos do not differ from bright tobaccos, in that the nitrogenous fractions and combustibility appear to be the major factors affecting nicotine and dry TPM (total particulate matter) delivery as well as other major smoke constituents. Stalk position and varieties also demonstrated significant differences in nicotine and dry TPM delivery. Benzo[a]pyrene content, however, did not show significant differences among these experimental Burley tobaccos or stalk positions. </p></abstract>

Leaves from 8 stalk positions from four Burley tobaccos, the cultivars Burley 21, Ky 14 and Ky 12 and one breeding line of low-alkaloid Burley 21 (LA Burley 21), were tested in this study. A total of 116 variables, including leaf and smoke characteristics, were determined by collaborating scientists using established methods. Simple correlations and multiple regressions among selected variables were determined to examine the relationship among these variables. Generally, Burley tobaccos do not differ from bright tobaccos, in that the nitrogenous fractions and combustibility appear to be the major factors affecting nicotine and dry TPM (total particulate matter) delivery as well as other major smoke constituents. Stalk position and varieties also demonstrated significant differences in nicotine and dry TPM delivery. Benzo[a]pyrene content, however, did not show significant differences among these experimental Burley tobaccos or stalk positions.

Simple Correlation and Multiple Regression among Leaf and Smoke Characteristics of Burley Tobaccos

Tobacco Laboratory, Beltroille Agricultural Research Center, Agricultural Research Service, U.S. Department of Agriculture, Beltsville, Maryland, U.S.A.

Tobacco Station, Agricultural Research Service, U.S. Department of Agriculture, Oxford, North Carolina, U.S.A.

Naylor Dana Institute for Disease Prevention, American Health Foundation, Valhalla, New York, U.S.A.

Contributions to Tobacco & Nicotine Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Leaves from 8 stalk positions from four Burley tobaccos, the cultivars Burley 21, Ky 14 and Ky 12 and one breeding line of low-alkaloid Burley 21 (LA Burley...

Simple Correlation and Multiple Regression among Leaf and Smoke Characteristics of Burley Tobaccos

Pubblicato online: 14 ago 2014

Pagine: 141 - 150

Ricevuto: 09 apr 1981

Accettato: 10 nov 1981

DOI: https://doi.org/10.2478/cttr-2013-0508

© Beiträge zur Tabakforschung International

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.