Grain and oilseed contracts traded mixed to lower on Friday, torn between being over-weight against large yields, and under bought in the face of a late summer loss of moisture combined with a litany of potentially damaging disease outbreaks.  The number of foliar diseases that have been spotted include tar spot, Goss’s wilt, rust, white mold, iron deficiency, sudden death syndrome, etc. Illinois is the second largest corn state and the Pro Farmer tour saw some issues. Minnesota may have a corn yield over 200 bushels/acre (12.67 MT/Ha) but then it also has disease in some hybrids. Soybeans may have record pod counts but then fail to optimally fill during a dry late August. This is not to overstate the situation. The disease impac...