By WCU Editor Mark VanGessel, Extension Weed Specialist; mjv@udel.edu This summer has been very challenging for weed control so I want to remind you to not spread the problems around the farm or from farm to farm. I believe that a lot of our new weed infestations are due to transporting seed on Source: Weekly […]
Continue reading...July 31, 2012 A.Wyenandt, W.Kline, and J.Ingerson-Mahar
Tomato Disease Forecasting Report 7-31-12
Tomato Report 7-31-12 – Click to Download Disease severity values (DSVs) for early blight, septoria leaf spot, and tomato anthracnose development are determined daily based on leaf wetness (due to rainfall, dew) and air temperature. On a daily basis DSV values can range from 0 to 4 where 0 = no chance for disease development […]
Continue reading...July 27, 2012 Administrator
Daconil Action Fungicide
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… Source: Read […]
Continue reading...July 27, 2012 Administrator
Bacterial Decline of Creeping Bentgrass
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… Source: Read […]
Continue reading...July 23, 2012 Administrator
Crabgrass Continues to Emerge
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… Source: Read […]
Continue reading...July 17, 2012 Administrator
Small Fruit IPM Report July 17, 2012
-Dean Polk, Fruit IPM Agent and David Schmitt, Eugene Rizio and Atanas Atanassov, Program Associates, Tree Fruit IPM Grape Blueberry
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