Rutgers Cooperative Extension
Seasonal updates on ornamental, nursery, and turf pests.
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By Jim Murphy
As you might expect, we are receiving questions from county agents, landscapers, and property owners about saltwater flooding effects on soils and plants and the appropriate remediation. The information below may be helpful in answering these questions. (Thanks to Stephanie Murphy for pulling together a lot of this information).
Plant & Pest Advisory, Landscape, Nursery & Turf Edition, November 15, 2012
By Jim Murphy
Perennial ryegrass leaf blade damaged by gray leaf spot.
Many are planting new turf areas or re-seeding damaged areas using perennial ryegrass. Perennial ryegrass has the advantage of a fast establishment rate; a full turf cover can develop within 4 weeks.
However, you need to be aware that gray leaf spot disease…
By Bruce Clarke
Have received several questions from golf course superintendents over the last few days about potential phytotoxicity from the use of Daconil Action (cholorthalonil + acibenzolar) on golf course greens and fairways. I have worked with Daconil Action for 7-8 years and have not seen any “unique” phytotoxicity associated with that…
By Bruce Clarke
Several golf courses in the tri-state area have reported symptoms of etiolation and decline of creeping bentgrass putting greens. In some cases, the etiolation has occurred in isolated areas and then disappeared, but in other situations etiolation has progressed into a gradual decline of affected turf. Patches can range from…
By Jim Murphy
Recent rains have stimulated more crabgrass to emerge. This will probably continue through the end of the month. If applied preemergence herbicides, especially early in the spring, you may start to see “breakthrough”. If have decided to control crabgrass postemergence (manually or with postemergence herbicides), you should scout for emerging plants after…
