Crop Science Journal of Natural Resources and Life Sciences Education
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Published in Crop Sci 8:620-621 (1968)
© 1968 Crop Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Variation in Selfed Progeny of Doubled Haploid Stocks of Nicotiana tabacum L.1

Paul D. Legg and Glenn B. Collins2

Six doubled haploid stocks of Nicotiana tabacum L. were evaluated for 10 quantitative characters. Significant differences were found among lines within five of the stocks. The results indicate that genetic changes had occurred in some of the haploid-derived lines and that the stocks differed in degree of stability.

Key Words: genetic stability • haploid-derived lines

1 Contribution from the Crops Research Division, Agricultural Research Service, U. S, Department of Agriculture, and the Department of Agronomy, University of Kentucky, Lexington 40506.

2 Research Geneticist, Crops Research Division, ARS, USDA, and Assistant Professor of Agronomy, University of Kentucky.

Received for publication February 29, 1968.




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