PGR Resistance During Summer Heat?

PGR Resistance During Summer Heat?

It’s been hot and humid, and many golf course putting greens are growing rapidly. Plant growth regulator programs that were dialed-in during May and June appear to be non-existent during July. Growth rate is surging, green speeds are declining, and puffy...
Winterkill Recovery Techniques

Winterkill Recovery Techniques

There are more reports of turfgrass winterkill from around the US. At first, we thought most of the damage was limited to winter desiccation in the Central Great Plains. Unfortunately, we’ve received reports from coast to coast. Zac Reicher, PhD from Bayer...
Don’t Let the Tail Wag the Dog

Don’t Let the Tail Wag the Dog

Many factors influence turfgrass growth rate. Some are beyond the manager’s control while others are frequently manipulated through normal management. Environmental factors including the recent weather and soil conditions, turfgrass genetics, traffic levels and...
Moving Beyond PGR GDD Intervals

Moving Beyond PGR GDD Intervals

For nearly 15 years, Dr. Doug Soldat and I have been creating growing degree day (GDD) models for plant growth regulators (PGRs) and now DMI fungicides. These sinewave shaped models predict how these routinely applied products affect the relative growth rate of...