On the Ground

The wet Midwestern spring has resulted in an extraordinary amount of red thread and pink patch in residential turf. While average daily temperature remained normal, or slightly below, the number of days with measurable precipitation has [&h...

Last December saw record warmth across the upper Midwest, igniting a debate about whether to reapply snow mold fungicides or not.  Based on the results of previous research we had conducted, my opinion was that most […]

This year marks the 50th anniversary of the registration of chlorothalonil (the original Daconil) for US turf markets!  It is defined as a broad spectrum, contact fungicide with a multisite mode of action.  So what does […]

There was no internet, cell phones, or social media in most of the 20th Century. The internet facilitated knowledge exchange in quantum leaps.  Historically, scientists and students sought information in the library and spent countless hou...

Lawn diseases were not nearly as severe in the coastal plain as they were in 2014. Dollar spot was highly damaging from May to November 2014, but only made a widespread appearance in November 2015. There […]

Sola dosis facit venenum—that’s the Latin phrase (no pun intended) representing the basic principle of toxicology.  It means that a substance will produce a harmful effect on a biological system only if it accumulates above a […...

Fall is finally starting arrive in the central portion of the US. Lubbock ended up going approximately 12 weeks (first week of July through third week of September) with no measurable rainfall. Things got pretty dry […]

This year we had an opportunity to run a field trial on a sward of Kentucky bluegrass on this campus.  The sod was laid in summer 2014, and summer patch symptoms were evident 12 months later.  […]

Not much going on disease-wise in the mid-Atlantic in recent weeks. I thought the heavy rain events from October 1 to 4 (about 6.5” on Delmarva Coast) would surly have brought on dollar spot- historically a […]

Autumn is the perfect time to seed new and damaged areas. Given heavy golf schedules or inclement weather, seeding may be delayed until October, when expected frosts could delay or prevent good establishment. After mid-October, covers [&hel...