Cole Crops Downy mildew and Alterneria were confirmed on collard greens this past week. Current weather conditions are ideal for the development of both diseases on all cole crops as well as other crops. Symptoms of downy mildew on cole crops include the production of white spore masses only on the undersides of infected leaves. […]
Continue reading...June 19, 2014 A.Wyenandt, W.Kline, and J.Ingerson-Mahar
Potato Disease Forecasting Report 6-20-14
Potato Disease Forecasting Report 6-20-14 – 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 […]
Continue reading...June 19, 2014 A.Wyenandt, W.Kline, and J.Ingerson-Mahar
Tomato Disease Forecasting Report 6-20-14
6-20-14 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...June 19, 2014 Jim Murphy
Crabgrass Emerging
Crabgrass has been emerging for several weeks now, depending on the exposure. Warmer and more open turfs will likely have more advanced (larger) plants while cooler and denser turfs will have smaller plants. Management options for this weed at this point in the season range from doing nothing to postemergence herbicide applications.
Continue reading...June 18, 2014 Kris Holmstrom and Joe Ingerson-Mahar
Veg IPM Update: Week Ending 6/18/14
Vegetable IPM Report 6-18-14 – Click to View | Download | Print Maps for the Week –European Corn Borer Population Map –Corn Earworm Moth Blacklight Trap Map –Corn Earworm Moth Pheromone Trap Map –Pepper Weevil Trap Catch Map Topics for the Week Sweet Corn Cole Crops Peppers Pepper Weevil Report Tomatoes BMSB Pumpkins […]
Continue reading...June 18, 2014 Jim Murphy
Tis the Season for Summer Stress
Optimum growth of cool season grasses occurs within the temperature range of 60 to 75°F. Yesterday, the New Brunswick weather station indicated that soil temperature at 2 inches exceeded 75°F for more than 12 hours and peaked at 82°F. This doesn’t mean that grasses will soon be dead. But it is a signal to be […]
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