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Soybean Genetics Newsletter

Abstract

In the last decade, at least four independently inherited, nuclear recessive genes for male sterility (ms1 , ms2 , ms3, ms4) in soybeans have been discovered (Brim and Young , 1971; Bernard and Cremeens , 1974; Palmer, 1979; Palmer et al., 1980). The successful exploitation of genetic male sterility in soybean breeding programs requires that male-sterile plants be readily distinguishable from male-fertile sibs . At present, soybean male-steriles are conveniently distinguishable from male- fertile sibs only after pod development, when the reduced pod set and delayed physiologic maturity of malesterile plants become evident.

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