Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Apart from recommended NPK fertility programs, growers of cabbage, broccoli, cauliflower, Brussels sprouts, kale, and collards need to pay attention to sulfur, calcium, and boron in their cole crop fertility programs. In… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist;gcjohn@udel.edu Produce buyers in the region have expressed an interest in buying more fresh greens demonstrating the potential for expanding fresh market production for local and regional distribution. In particular, there has been an… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu With the wet, cloudy weather we are seeing some edema on cole crops such as cabbage. Edema is water blistering on cole crop leaves. The most common cause of edema is the… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu While most vegetable growers finish up with fall crops around Thanksgiving, there is potential to produce throughout the fall and winter. There are fall and winter sales potentials with schools, institutions, and… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Downy mildew and Alternaria can be a problem in fall crops (cabbage, collards, broccoli, cauliflower, and kale). When the disease first appears, apply a fungicide every 7 to 10 days. Quadris, chlorothalonil, Cabrio, Endura… Continue Reading
