2023 Preharvest Weeds Survey
Each year just before harvest, the weed science team at OSU spends some time driving across the state and evaluating weed escapes in soybean fields. This year, 4027 fields were evaluated across 46 of the top soybean producing counties. We…
Marestail still #1 in soybeans
Results of the 2016 Weed Science Society of America weed survey for broadleaf crops, fruits and vegetables are in. Across all crops, Palmer amaranth was the most troublesome and difficult to control weed, and lambsquarters was most common. In soybeans,…
A few observations from windshield scouting
We spent some time windshield scouting fields northeast of Columbus this week after being called out to determine whether a mystery weed was Palmer amaranth. There were only a few plants of this mystery weed in the field, and it…
It’s official – marestail is public enemy #1 in soybeans
Results of a national survey of weed scientists and practitioners conducted by the national and regional weed science societies are in. Probably no surprise to all of us here in Ohio that marestail was identified as the most troublesome weed…
