51.684—U.S. No. 1 Bronze.

The requirements for this grade are the same as for U.S. No 1 except that all fruit must show some discoloration. Not less than the number of fruits required in § 51.689, Tables I and II, shall have more than one-third of their surface, in the aggregate, affected by discoloration. The predominating discoloration on these fruits shall be of rust mite type.