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Journal of Heredity Advance Access published online on January 29, 2008

Journal of Heredity, doi:10.1093/jhered/esm121
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© The American Genetic Association. 2008. All rights reserved. For permissions, please email: journals.permissions@oxfordjournals.org.

Inheritance of a One-Seeded Pod Trait in Peanut

William D. Branch

From the Department of Crop and Soil Sciences, University of Georgia, Coastal Plain Experiment Station, Tifton, GA 31793-0748

Address correspondence to W. D. Branch at the address above, or e-mail: wdbranch{at}uga.edu.

Normally, the cultivated peanut (Arachis hypogaea L.) has predominantly 2 seeds per pod or more. Two seeds per pod are predominantly found in A. hypogaea L. subsp. hypogaea var. hypogaea (the botanical classification of the US runner and virginia market types) and in subsp. fastigiata var. vulgaris (the US spanish market type); whereas, predominantly 3 or more seeds per pod are found in subsp. fastigiata vars. fastigiata (the US valencia market type), peruviana (not marketed in the United States), and aequatoriana (not marketed in the United States), and in subsp. hypogaea var. hirsuta (not marketed in the United States). However, recently, predominantly 1 seed per pod selections were found within a Georgia cross population. Crosses involving the 1-seeded pod selection were made to determine its inheritance. The F1, F2, and F3 data indicated that any 2 of 3 duplicate recessive genes designated, osp1, osp2, and osp3, control the 1-seeded pod trait in peanut.


Corresponding Editor: John Burke

Received June 7, 2007
Accepted December 13, 2007


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