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Size determination of shriveled and wrinkled soybeans

Abstract

Drought stress created shriveled and wrinkled (S/W) soybeans in the 1988 soybean crop. Seven lots of 1988 soybeans were examined to validate the Federal Grain Inspection Service (FGIS) definition of S/W. Lots were subdivided into sized fractions with both slotted and round-hole screens. Shriveled and wrinkled soybeans were found in all size fractions, whether those fractions were determined by a slotted or a round-hole screen. None of the size fractions adequately isolated or characterized S/W soybeans. The FGIS definition of shriveled and wrinkled does not sonsider larger wrinkled soybeans, but only shriveled soybeans passing through a 10/64″ by 3/4″ slotted screen. The most accurate determination of S/W soybeans can be made by examining the entire soybean sample, not a sized fraction.

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Brumm, T.J., Hurburgh, C.R. Size determination of shriveled and wrinkled soybeans. J Am Oil Chem Soc 67, 747–749 (1990). https://doi.org/10.1007/BF02540484

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  • DOI: https://doi.org/10.1007/BF02540484

Key Words

  • Screens
  • shriveled
  • size
  • soybeans
  • wrinkled