The following information is a Web Extra from the pages of Farm Journal. It corresponds with the article "Waterhemp Turns Stubborn” by Pam Smith. You can find the article on page 16 in the September 2010 issue.
University of Illinois weed scientist Aaron Hager says this year should deliver a wake up call to farmers who didn't utilize residuals in their weed control programs. Frequent rains have delayed postemergence sprays and as a result, weeds have gotten a good foothold in both corn and soybean fields.