PDF Version of WCU 17:18 – July 17, 2009 In this issue: Vegetables Vegetable Crop Insects Cucurbit Downy Mildew Update Nitrogen Deficiency in Sweet Corn High Populations of Striped Cucumber Beetle and Squash Bug this Year in Cucurbit Fields Potato… Continue Reading
Carl German, Extension Crops Marketing Specialist; clgerman@udel.edu Ideal Growing Conditions Taking Toll on Commodity Prices What now sounds like a broken record has grain market analysts and traders lulled into the belief that current growing conditions may lead to even… Continue Reading
Joanne Whalen, Extension IPM Specialist; jwhalen@udel.edu Alfalfa Continue to scout fields on a weekly basis for leafhoppers. During extended periods of hot, dry weather, you may need to reduce treatment thresholds by a third to a half. We have also… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Disease Severity Value (DSV) Accumulation as of July 15, 2009 is as follows: Location: Shadybrook Farms, Little Creek, DE in Kent County. Greenrow: May 1 LATE BLIGHT EARLY BLIGHT Date Daily DSV Total… Continue Reading
Jerry Brust, IPM Vegetable Specialist, University of Maryland; jbrust@umd.edu This has been a particularly bad year for striped cucumber beetles and squash bugs in watermelon, pumpkin and squash. Some fields have been hit particularly hard with beetles causing 10-15% plant… Continue Reading
