Joanne Whalen, Extension IPM Specialist; jwhalen@udel.edu Alfalfa Continue to sample for potato leafhoppers on a weekly basis. Although adults are the main life stage present, we will soon see the first nymphs. Although both life stages can damage alfalfa, the… Continue Reading
Gordon Johnson, Extension Ag Agent, Kent Co.; gcjohn@udel.edu I recently looked at several snap bean plantings with symptoms of salt injury from starter fertilizer. Leaves had large areas that were dried from the margin inward, other areas were light green… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Because of the sudden and destructive nature of cucurbit downy mildew (Pseudoperonospora cubensis), growers need to be warned about a potential outbreak of the disease in their area. In addition, fungicide applications are far… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Disease Severity Value (DSV) Accumulation as of June 4, 2009 is as follows: Location: Shadybrook Farms, Little Creek, DE in Kent County. Greenrow: May 1 LATE BLIGHT EARLY BLIGHT Date Daily DSV Total… Continue Reading
Emmalea Ernest, Extension Associate – Vegetable Crops; emmalea@udel.edu Folks at the Carvel Research and Education Center spent a few days this week puzzling over a section of dead plants discovered on Monday in the cantaloupe variety trial. The early theory… Continue Reading
