Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Be on the lookout for Phytophthora fruit rot on cucurbits, especially watermelon. After last seasons’ losses from Phytophthora fruit rot due to the excessive rainfall in 2009, growers should be thinking about the possibility… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu There are two new reports of cucurbit downy mildew in locations north of us in Hamilton, Ontario and Holmes County, Ohio. These sites will be threatening eastern Ohio and western PA in the next… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu I have recently looked at a field of pickling cucumbers with areas that showed symptoms of magnesium deficiency. Magnesium (Mg) is considered a secondary macroelement and is essential for plant growth. It… Continue Reading
Joanne Whalen, Extension IPM Specialist; jwhalen@udel.edu This news release was received as an EPA Pesticide Program Update from EPA’s Office of Pesticide Programs on June 10, 2010. “EPA Moves to Terminate All Uses of Insecticide Endosulfan to Protect Health of… Continue Reading
Joanne Whalen, Extension IPM Specialist; jwhalen@udel.edu Melons Continue to scout all melons for aphids, cucumber beetles, and spider mites. With the recent hot weather, be sure to watch for an increase in spider mite activity. The threshold for mites is… Continue Reading
