Mark VanGessel, Extension Weed Specialist; mjv@udel.edu Be aware that pesticide labels can change over time, and sometimes these changes are not well publicized. It is important to read the individual labels each season to be sure no changes have occurred.
Mark VanGessel, Extension Weed Specialist; mjv@udel.edu UD Weed Science Program received seed from common ragweed plants in the fall of 2015. The seeds came from one field on the Eastern Shore of Maryland, a farm in New Jersey, and two… Continue Reading
Nathan Kleczewski, Extension Specialist – Plant Pathology; nkleczew@udel.edu Since my last article, the temperatures have been fairly cool and very windy, which has not been favorable for disease development. We are seeing low levels of spot/net blotch in barley and… Continue Reading
Nathan Kleczewski, Extension Specialist – Plant Pathology; nkleczew@udel.edu Now is a good time to sign up for the Fusarium Head Blight Prediction Center (http://www.wheatscab.psu.edu/). This is a tool that correctly predicts severe head blight epidemics 80% of the time. If… Continue Reading
Joanne Whalen, Extension IPM Specialist; jwhalen@udel.edu Alfalfa All fields should be sampled for alfalfa weevil by examining 5-10 stems for damage and larvae. A full stem sample will be needed once damage and/or larvae are found on the plants. If… Continue Reading
