Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu With the dry weather, wheat is beginning to turn in most area of the state. It looks like scab will not be an issue this year. Leaf rust and stripe rust did appear, late… Continue Reading
Joanne Whalen, Extension IPM Specialist; jwhalen@udel.edu Alfalfa Continue to sample for potato leafhoppers on a weekly basis. We are now finding adults and nymphs in fields. Although both life stages can damage alfalfa, the nymphs can cause damage very quickly.… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Disease Severity Value (DSV) Accumulation as of June 8, 2010 is as follows: Location: Art and Keith Wicks Farm, Rt 9, Little Creek, Kent County. Green row: May 6 LATE BLIGHT EARLY BLIGHT… Continue Reading
It’s the time of year when we sometimes see pepper transplants with the symptoms pictured below. This is sunscald injury on the stems of newly transplanted pepper seedlings, which is caused by stems laying against edges of black plastic mulch… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Cucurbit downy mildew has been reported on cucumbers in North Carolina (Wilson County). This is a very early detection for this area and a threat to Delmarva pickle production if weather conditions favor spore… Continue Reading
