Soybean seed diseases are showing up across Iowa, which isn’t surprising considering the wet weather experienced in parts of the state during the past month. The rain is a double whammy for farmers this time of year because it favors continued fungal development and keeps combines from getting in the field. Some of the primary seed diseases showing up are purple seed stain and Diaporthe seed decay.
Wet fall causes issues with soybean seed quality
1 of 3
Purple seed stain can be seen on soybeans from a field in central Iowa in late September.
Diaporthe infection can be seen on a soybean pod and seed.
Precipitation departure from average is shown for Iowa from Aug. 29 to Sept 28, 2026.
Most Popular
From 2014 to 2023, the U.S. Department of Agriculture’s Environmental Quality Incentives Program invested a total of $133.7 million in no-till…
MARENGO, Wis. – Some treat the land as a commodity. They take every bit of value that can be squeezed out, looking for only short-term profit …
Due to the significant impacts of drought on forage production in 2026, forage supplies may be tight this winter.
Key Points