All soybeans have reached the R5 (early seed) stage of development and are nearing R6 (full seed). Ultimate Soybean Challenge plots suffered from an aphid infestation early in August. Soybean aphids were sprayed last week and control appears to be effective, leaving only the white shed skins or “castings.” Disease pressure is low with some signs of septoria brown spot, bacterial blight and downy mildew.
