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Recent Blog Posts

This week, I got a note from Tristan Mueller (Iowa Soybean Association) seeing some corn leaf injury from redheaded flea beetle. The defoliation was noticeable and the farmer was considering a foliar insecticide. The fields did not have tasseled yet and he estimated 5-6 beetles per plant. 

The USDA Weekly Crop Progress Report on Monday, June 27, showed Iowa's corn crop condition as unchanged from last week's 79% good/excellent rating. Soybean emergence in Iowa is 99%, according to the report, and 5% of soybeans are blooming, which matches the 5-year-average. The agency gave Iowa soybeans a 77% good/excellent rating, ahead of the national average by 5%. Parts of southeast and central Iowa have progressed to "moderate drought" on the U.S. Drought Monitor, while more counties across Iowa joined the "abnormally dry" club. Iowa State University Extension and Outreach field agronomists report crop conditions in your area of the state:

Earlier this month, I wrote an ICM News article showing peak corn rootworm egg hatch in Iowa. That means at least 50% of viable eggs have likely hatched and larvae will start feeding on corn roots.