The 2014 Potato and Tomato Reports are now available! Just scroll over the Vegetable Crops tab on the Plant and Pest Advisory homepage and links for each report will appear. Like in years past, both reports will be updated twice a week for those interested in timing their fungicide applications according to Tom-Cast and Blightcast from NEWA […]
Continue reading...May 5, 2014 Andy Wyenandt
Basil Downy Mildew Reported – NJ 5/5/14
Basil downy mildew was reported in a greenhouse in Virginia last week. The first question I asked myself was, “How can that be?” Well, before I could come up with a good answer, basil downy mildew was found in a high tunnel in Salem County today. I don’t have any of the details from the […]
Continue reading...May 5, 2014 A.Wyenandt, W.Kline, and J.Ingerson-Mahar
Potato Disease Forecasting Report 5-5-14
Potato Disease Forecasting Report 5-5-14 – 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...May 5, 2014 A.Wyenandt, W.Kline, and J.Ingerson-Mahar
Tomato Disease Forecasting Report 5-5-14
5-5-14 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...May 2, 2014 Mark VanGessel
Free, Updated Agronomic Crops Weed Control Guides
Available from the UD-REC website are weed management guides for assistance in weed control in corn, soybeans, or forages. http://extension.udel.edu/ag/weed-science/weed-management-guides/ There is a separate guide for each commodity. The first half of the corn and soybean guides deal with soil-applied herbicides and the second half is for postemergence herbicides. These guides have pre-mixes and what […]
Continue reading...May 2, 2014 Mark VanGessel
Herbicide Classification Chart Available
Working with the Delaware Soybean Board and the United Soybean Board, a herbicide classification chart is available at:http://extension.udel.edu/ag/weed-science/weed-management-guides/ This chart groups herbicides by mode of action and site group numbers that are printed on containers and labels. The chart is designed to help diversify herbicide use by rotating effective herbicides with different sites of action […]
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