John W. Bartok As we transition into winter, energy use begins to increase and greenhouses are subject to severe weather. Reviewing the following tips while you perform an inspection of your facilities and equipment will point out where maintenance and… Continue Reading
Jerry Brust, IPM Vegetable Specialist, University of Maryland; jbrust@umd.edu There have been several reports and sightings of blister beetles Epicauta spp. and yellow-striped armyworm Spodoptera ornithogalli feeding on various vegetable crops in our area. This is not too unusual as… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Delayed fruit set in pumpkin can be caused by many factors including late planting, heat and water stress, poor pollination and excess fertility (too much N). When set is delayed until August,… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu In our 2019 seedless watermelon variety trial, we are seeing higher than normal levels of hollow heart. Hollow heart is an internal split or void in the flesh of the watermelon between… Continue Reading
David Owens, Extension Entomologist; owensd@udel.edu Sweet Corn Earworm catches in pheromone traps have decreased slightly, but still remain quite high. Vial testing on this week’s moths have resulted in about 40% survivorship. With cooler weather over the next few days,… Continue Reading
