PDF Version of WCU 16:23 – August 22, 2008 In this issue: Vegetables Vegetable Crop Insects Powdery Mildew on Watermelon Controlling Cucurbit Downy Mildew and Powdery Mildew Downy Mildew on Lima Beans Agronomic Crops Agronomic Crop Insects Soybean Rust Update… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu On August 20th, soybean rust was detected at extremely low levels in a commercial soybean field in Jackson County, Mississippi. On the same date the disease was reported in a soybean sentinel plot in… Continue Reading
Joanne Whalen, Extension IPM Specialist; jwhalen@udel.edu Soybeans As the potential for late season insect control increases, be sure to check all labels for the days from last application to harvest, as well as other restrictions. You will also need to… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu When cooler nights and heavy dew begin, along with heavy rainfall associated with tropical storms and hurricanes, downy mildew can threaten the fall lima bean crop. Last season downy mildew appeared sporadically. Race F… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu The recent high-pressure system that has brought us the dry weather and low humidity has slowed the progress of any downy mildew that is present. Spray schedules could be extended if the disease is… Continue Reading
