Visual Reference Library - Soybean
SB-Mottled or Stained (Dirt)
EXPLANATION: Soybeans with seed coats discolored by dirt; dirt-like substances; or other nontoxic substances, such as nontoxic inoculants, which can be readily removed by water shall be considered purple mottled or stained. Graded lots of soybeans meeting the criteria for purple mottled or stained are to be qualified on the pan ticket and certificate with he special grade designation "Purple Mottled or Stained".
Last updated July 2009