Rituals, surrogate markers, and turf performance outcomes

When a measure serves as a surrogate for the desired outcome, then achieving that measure or endpoint isn't the real goal

A couple months ago I was struck by this post—“Problems with surrogate markers”—on Andrew Gelman’s blog. “Wow”, I thought, “this seems related to turfgrass management in a lot of ways.” Wikipedia describes surrogate endpoints, or markers, as: a measure of effect of a specific treatment that may correlate with a... [Read More]

Recording of my presentation about managing turfgrass diseases in Asia

From the International Congress of Plant Pathology in Boston, in the session about Precision Turf and Ornamental Disease Management in the 21st Century

The recording of my presentation on “Managing turfgrass diseases in Asia with minimal input” is now online. Watch it here. I gave this presentation as part of the session on “Precision Turf and Ornamental Disease Management in the 21st Century” at the International Congress of Plant Pathology in July. For... [Read More]

Monthly Turfgrass Roundup: August 2018

Topdressing, more about topdressing, all kinds of videos, growth rates, wetting agents, tournament golf & superintendent recognition, history, one wish, and a lot more

After torrential rain, does all the potassium leach? Doug Karcher has the best wetting agent photos. It’s fun to evaluate wetting agent trials in late summer. No plot plan needed to pick out untreated controls. pic.twitter.com/2IqmOho1TJ— Doug Karcher (@uarkturf) August 28, 2018 Golf telecasts in Japan—at least the KBC telecast—prominently... [Read More]