When to Apply Preemergent Herbicides for Turfgrasses
When to Apply Preemergent Herbicides for Turfgrass in North Carolina It is well documented that our winter temperatures are rising …
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NC State Extension, NC State University
Winter Injury on Warm-Season Grasses
There is little question, the cool spring has been a challenge for warm-season grasses. They have been slow to …
Timing of Preemergent (PRE) Herbicide Applications for 2023 – Apply Earlier - Like Now!!!
From previous research, we know that crabgrass germinates with 24-hour mean soil temperatures average about 53-55 degrees at a …
Cool Spring Has Slowed Growth of Warm-Season Turfgrasses
Lots of homeowners have been expressing concern over the appearance of various warm-season turfgrasses this spring. Bermudagrass, centipedegrass, zoysiagrass, …
Winter Glyphosate Applications to Bermudagrass
Glyphosate applications to dormant bermudagrass in winter are excellent for general weed control. Many weeds, including Poa annua, can …
EPA Issues Review of Glyphosate
EPA just issued a review of glyphosate. Here is the most significant statement “As part of this action, EPA …
Washington Nationals Head Groundskeeper, John Turnour, a 2001 NCSU Turfgrass Graduate
Watching the World Series? Game 3 moves the series from Houston to Washington DC, home of the Washington Nationals. …
Annual Bluegrass (Poa Annua) Spring Invasion
Fred Yelverton, PhD …
Crabgrass and Japanese Stiltgrass Germinate Approximately 30 Days Earlier Than Normal in 2017
We love to talk about weather because it’s very important in many aspects of turfgrass management. In what has been …
Effect of Excessive Rainfall on Preemergent Herbicides
A preemergent herbicide application is an effective, commonly performed practice for annual weed control in many established turfgrass systems. …
Pesticide Persistence in Turfgrass Clippings
Turfgrass clippings are collected during mowing and may be composted or used as garden mulch, where they may provide …
Winter Damage of Warm Season Grasses
In an earlier Alert I wrote that green-up of our warm-season grasses was late in 2014. At that time …