Climatic and Environmental Trends Observed During Epidemic and Non-epidemic Years of Soybean Sudden Death Syndrome in Iowa

Figs. 4A. Soybean field in Iowa with severe defoliation and chlorosis caused by sudden death syndrome in 2010.



Image from Plant Health Progress article:
Climatic and Environmental Trends Observed During Epidemic and Non-epidemic Years of Soybean Sudden Death Syndrome in Iowa