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

Putting poison hemlock in perspective

By:  Mark Loux, Ted Wiseman, and Allen Gahler Poison hemlock seems to be on everyone’s radar more than usual this year, especially in northern Ohio.  We know that while hemlock has been all over southern Ohio for years, it is…

Gypsy moth larvae (caterpillars) in the 4th-6th instars have 5 pairs of blue spots followed by 6 pairs of red spots. Photo credit:  Amy Stone, OSU Extension Lucas County.

Be on Alert for Gypsy Moth in Williams County

Our office has received multiple reports of gypsy moth in the past two weeks from Williams County landowners. This invasive pest is currently in the larval (caterpillar) stage of its life cycle, and can be seen feeding on the leaves…

Canada thistle rebounds?

Canada thistle rebounds?

By:  Mark Loux It can be nice to see old friends.  Except when they cause crop and yield loss, refuse to leave after a few days, and don’t respond to chemicals.  A while back we wrote about what appeared to be an…

Adapting Burndown Programs to Late-Planted Situations

Adapting Burndown Programs to Late-Planted Situations

By:  Mark Loux It’s déjà vu all over again.  We have run this article every few years, and it seems like maybe the frequency is increasing as we deal with wet and cold weather that delays planting.  The questions about…

2021 Weed Control Guide and NEW Tri-State Fertilizer Recommendations Now Available

Are you looking for up-to-date weed control or fertility information before planting season? The OSU Extension Williams County Office now has copies of the 2021 Ohio, Indiana and Illinois Weed Control Guide and Tri-State Fertilizer Recommendations for Corn, Soybean, Wheat,…