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Crop Science Abstract -

Variability for Components of Yield Induced in Soybeans by Seed Treatment with Gamma Radiation, Fission Neutrons, and Ethylmethane Sulfonate1


This article in CS

  1. Vol. 16 No. 2, p. 233-236
    Received: Apr 10, 1975

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  1. B. V. Conger,
  2. L. W. Skinner and
  3. L. N. Skold2



The purpose of this study was to determine the variability for individual components of yield in soybean [Glycine max (L.) Merr.] induced by seed treatment with fission neutrons, gamma radiation, and ethylmethane sulfonate. Nine M3 populations, including three doses of each mutagen, were compared with a control for pods/plant, wt/100 seeds, and total seed wt/plant. The means for individual yield components were not significantly altered by the mutagenic treatments. A comparison of frequency distributions of populations from mutagen-treated seed vs. the control revealed differences for certain treatments. The most effective mutagen for increasing variability of the yield components was ethylmethane sulfonate.

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