The Ohio State University: College of Food, Agricultural, and Environmental Sciences

Weed control in spring barley

We are currently in our first year of research to determine the safest and most effective herbicide programs for spring barley in Ohio.  This research is briefly described in the video below.  We don’t have any prior experience with weed…

Can you burn down big marestail this late?

There are still some tough burndown situations in the state due to weeks of less than ideal weather conditions.  Controlling large marestail is probably the biggest challenge, especially when there’s not much time between herbicide application and soybean planting.  This…

It's official - marestail is public enemy #1 in soybeans

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…

Get a handle on pigweed identification

Our latest video covers pigweed identification. We compare four aspects of pigweed biology that we use to differentiate between redroot pigweed, waterhemp, and Palmer amaranth – pubescence, petiole length, leaf shape, and inflorescence (seedhead) characteristics.