Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu We have recently seen air pollution damage to greenhouse transplants. This can occur where coal or wood burning stoves are used and exhaust escapes when loading, where temporary unvented heaters are used… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu We have seen some problems where excess bleach used for disinfecting greenhouse flats caused damage to transplants. The following is some information from the University of Massachusetts on using bleach for disinfecting… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu As watermelon and cantaloupe transplanting continues on Delmarva, growers are reminded to inspect plants before they are transplanted into the field for signs of disease including Bacterial Fruit Blotch, Gummy Stem Blight,… Continue Reading
Kate Everts, Vegetable Pathologist, University of Delaware and University of Maryland; keverts@umd.edu Late blight has been confirmed on potato in a field in North Carolina on May 2, 2012. Growers in Maryland and Delaware should scout their fields and apply… Continue Reading
Joanne Whalen, Extension IPM Specialist; jwhalen@udel.edu Blackhawk Naturalyte insecticide from Dow AgroSciences with the active ingredient spinosad is labeled in Delaware on the following vegetable crops: sweet corn, legume vegetables (which includes peas, snap beans and lima beans) and potatoes.… Continue Reading
