By Jim Murphy I have seen as much disease damage on turf this summer as any year since I began living and working in New Jersey. The weather has been ideal for summer patch and brown patch diseases. Summer patch disease is caused by a root infecting pathogen, Magnaporthe poae. I have observed more damage […]
Continue reading...August 2, 2013 Cesar Rodriguez-Saona
ACGA Preview: Research in Cranberry Entomology
Join us August 15 for the ACGA Summer Field Day to visit research bogs and discuss results. Insecticide Trials against Sparganothis Fruitworm and Spotted Fireworm We are currently conducting experiments to compare the efficacy of various insecticides (Delegate, Altacor, Intrepid, Lorsban, Imidan, and 2 unregistered insecticides) against Sparganothis fruitworm and spotted fireworm larvae in cranberries.
Continue reading...August 2, 2013 Andy Wyenandt
Controlling fungal leaf blights of Carrot
Powdery mildew, Alternaria and Cercospora are three important fungal foliar pathogens that can cause early defoliation in carrots, thus reducing yields and making harvest difficult. Each pathogen produces distinct symptoms.
Continue reading...August 2, 2013 Andy Wyenandt
Vegetable Disease Briefs – 8/2/13
Although conditions have been favorable, No Late blight has been reported in New Jersey this past week. Basil Downy mildew remains active – All basil growers should scout on a daily basis and should add a labeled downy mildew specific fungicide to their weekly fungicide program. Phosphite fungicides (FRAC code 33), such as Prophyt, K-Phite, […]
Continue reading...August 1, 2013 A.Wyenandt, W.Kline, and J.Ingerson-Mahar
Tomato Disease Forecasting Report 8-2-13
8-2-13 Tomato Report – 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...August 1, 2013 A.Wyenandt, W.Kline, and J.Ingerson-Mahar
Potato Disease Forecasting Report 8-2-13
Potato Disease Forecasting Report 8-2-13 – Click to Download We will be tracking DSVs for Late blight development and calculating P-days for initiating the first early blight fungicide application. The first late blight fungicide application is recommended once 18 DSVs accumulate from green row. Green row typically occurs around the first week in May in southern […]
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