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  1. Vol. 16 No. 2, p. 233-236
     
    Received: Apr 10, 1975
    Published: Mar, 1976


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doi:10.2135/cropsci1976.0011183X001600020017x

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

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

Abstract

Abstract

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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