Midsummer Scouting for Downy Mildew and other Soybean Diseases
By XB Yang, Department of Plant Pathology and John Kennicker, Iowa State University Extension
Summer soybean disease scouting is revealing some interesting finds due to several years of unusual weather. This is the third year in a row that Iowa has had a cool summer. The summer of 2006 was cool, but not wet; this year and last year, cool and wet.