Kate Everts, Vegetable Pathologist, University of Delaware and University of Maryland; keverts@umd.edu Early blight is one of the most common tomato diseases in the U.S. It occurs yearly in our region, but is most severe in periods of moderate temperatures… Continue Reading
Phillip Sylvester, Kent Co., Ag Agent; phillip@udel.edu Location: Art and Keith Wicks Farm, Rt 9, Leipsic, Kent County Greenrow: May 5 Date DSV Total DSV Accumulated P-Days Spray Interval Recommendation 5/15 – 5/20 11 32 5-days 5/20 – 5/23 2… Continue Reading
Phillip Sylvester, Kent Co., Ag Agent; phillip@udel.edu Location: Art and Keith Wicks Farm, Rt 9, Leipsic, Kent County Greenrow: May 5 Date DSV Total DSV Accumulated P-Days Spray Interval Recommendation 5/5 – 5/8 18 18 7-days 5/8 – 5/12 3… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Location: Art and Keith Wicks Farm, Rt 9, Little Creek, Kent County. Greenrow: May 3 Date Late Blight Early Blight Spray Interval Recommendation DSV Total DSV Accumulated P-days 6/6 1 58 251 10-days 6/6-6/8… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu On both potato and tomato early blight produces large brown areas on the leaf, usually with a concentric ring pattern. On potato early blight usually begins after flowering on susceptible varieties, especially once potatoes… Continue Reading
