Microdochium Patch

Microdochium patch is a disfiguring cold weather disease of turf.  This disease has been referred to by at least three different names, because it can occur in the presence (i.e., pink snow mold) or absence (i.e., Fusarium patch) of snow, and because of changes...

Weird Weather Brings a Funky Look to Greens

Record high temperatures in December and early January, combined with long periods of rainy and overcast weather, have promoted some unusual diseases as well as some of the “usual suspects.”  Purpling of greens in response to freezing temperatures as...

Creeping Bentgrass Management

Still need a holiday gift? Right now, you can get a 20% publisher discount with the promo code AQQ70 on Creeping Bentgrass Management by Peter H. Dernoeden, Ph.D. Click here. There was no internet, cell phones, or social media in most of the 20th Century. The internet...

Kyllinga: King of Weeds in 2015

Large, yellow mats of Kyllinga in a collar and extending into a green, and Kyllinga bunker face. Sedges mostly are a problem in wet areas. Under irrigation, however, sedges emerge sporadically throughout summer and colonize both sunny and shaded sites, including...

Dr. Pete’s Turf Tips – Gray Leaf Spot

Gray leaf spot (GLS) did not become recognized as an important disease in our region until 1995, when it destroyed many acres of perennial ryegrass on golf courses in the mid-Atlantic. During the epidemics of 1995 and 1998, the disease appeared in July during periods...