This is another unusual growing season, with a cool and wet spring followed by the hot and rainy summer. The cool weather that continued into the first week of July suddenly changed when a heat wave accompanied with rainy days arrived. The hot and wet final two weeks of July remind me of the subtropical weather in the Gulf Coast of Louisiana where I did my graduate study and where foliar diseases are a major issue in crop protection each year.
Iowa State University
Yang, Xiao-Bing, "Mid-Season Soybean Diseases: Scouting and Management" (2010). Integrated Crop Management News. 385.
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