PDF Version of WCU 17:15 – June 26, 2009 In this issue: Vegetables Vegetable Crop Insects Wet Weather Woes Phytophthora Fruit Rot on Cucurbits Cucurbit Downy Mildew Update Pepper Disease Control Gummy Stem Blight of Watermelon Potato Disease Advisory #13… Continue Reading
Carl German, Extension Crops Marketing Specialist; clgerman@udel.edu Markets Awaiting Next Event Commodity markets appear to be driven by three primary forces this week. First, commodity speculators (non-commercial traders) have been taking profits and stepping to the sidelines before deciding whether… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Septoria brown spot has been favored by all this wet weather and is easily found on the unifoliate leaves and the lower trifoliate leaves in most areas. These will usually fall from the plant… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Wheat harvest has begun. I saw a few combines in the field on Wednesday, June 24. Grain quality may be an issue in some areas, especially if no fungicides were applied. Some sooty mold… Continue Reading
Joanne Whalen, Extension IPM Specialist; jwhalen@udel.edu Alfalfa Continue to sample for potato leafhoppers on a weekly basis. Once plants are yellow, yield loss has already occurred. The treatment thresholds are 20 per 100 sweeps on alfalfa 3 inches or less… Continue Reading
