Mark VanGessel, Extension Weed Specialist; mjv@udel.edu I suspect all have heard about the need for preventing Palmer amaranth seeds from entering the soil and preventing seed production to stop the spread of seed with the combine. A few questions have… Continue Reading
Mark VanGessel, Extension Weed Specialist; mjv@udel.edu There have been a few calls about late season weed control in corn. Our HPPD herbicides (Callisto, Laudis, Capreno, Impact, Armezon, Shieldex) all need some atrazine with them for control and are not very… Continue Reading
Mark VanGessel, Extension Weed Specialist; mjv@udel.edu Fields with a history of Palmer amaranth (or in close proximity to fields with Palmer amaranth issues) should be scouted for postemergence applications. Postemergence control with the Group 27 herbicides, which include Callisto/Halex GT… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Congratulations to Bob Leiby and Claire, among many others, for correctly identifying the photo as Palmer amaranth. This was one of the most-guessed quizzes on the year. Obviously it stirs quite a bit of hatred.… Continue Reading
Mark VanGessel, Extension Weed Specialist; mjv@udel.edu When you consider weed control, do you immediately consider herbicides and nothing else? That is common given we have come to rely upon crops that can be sprayed with broad-spectrum herbicides. We have become… Continue Reading
