Mark VanGessel, Extension Weed Specialist; mjv@udel.edu The recent rains in many areas will have moved many of the soil-applied herbicides out of the top one to two inches of soil. As a result, there may be a number of fields… Continue Reading
Mark VanGessel, Extension Weed Specialist; mjv@udel.edu and Kurt M. Vollmer, Postdoctoral Researcher, University of Delaware; kvollmer@udel.edu Control of Palmer amaranth in soybeans requires the right product, at the right rate, at the right time. Residual herbicides are important to slow… Continue Reading
Mark VanGessel, Extension Weed Specialist; mjv@udel.edu In my opinion, successful management of Palmer amaranth is more about when you treat it, rather than what you use. Timing is important, and plants visible above the soybean canopy will not be controlled.… Continue Reading
Mark VanGessel, Extension Weed Specialist; mjv@udel.edu FYI, common ragweed and Palmer amaranth are emerged in many of the fields that have not been treated yet. So, if you have glyphosate-resistant biotypes you will need to be sure to have products… Continue Reading
Palmer amaranth has a tendency to emerge throughout the summer; and it grows very rapidly during the heat of June and July when many other species are suffering from the temperatures. Thus, it is very important to include effective herbicides… Continue Reading
