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  1. Vol. 14 No. 6, p. 898-900
     
    Received: May 8, 1974
    Published: Nov, 1974


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doi:10.2135/cropsci1974.0011183X001400060039x

Early Generation Testing and Selection in Soybeans: Association of Yields in F3- and F5-Derived lines1

  1. J. C. Thorne2

Abstract

Abstract

One hundred F3-deprived lines were established from each of 31 soybean [Glycine max (L.) Merr.] crosses. From these 3,100 F4 lines, 658 were yield-tested and simultaneously two F5 lines were established from each F3-derived line. About 25% (153) of the 658 F3-derived lines were selected and tested with their respective F5-derived lines. The correlations of yields of F3 with F5-derived lines were all positive and were significant in 13 of 16 cases (mean r = 0.581).

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