Mark VanGessel, Extension Weed Specialist; mjv@udel.edu There were changes made to the dicamba formulations labeled for use in dicamba-resistant soybeans when reissued last fall, so be sure to revisit the labels and information from the company’s website before applications are… Continue Reading
Mark VanGessel, Extension Weed Specialist; mjv@udel.edu The regional weed scientists have put together a quick reference chart for herbicide options to control the “BIG 3” herbicide-resistant weeds in the region, horseweed or marestail, Palmer amaranth and common ragweed. Use these… Continue Reading
Mark VanGessel, Extension Weed Specialist; mjv@udel.edu This is the point in the season when I get calls asking what can be done to rescue soybean fields from weeds that “got away”. Unfortunately, there are not a lot of good options… Continue Reading
Mark VanGessel, Extension Weed Specialist; mjv@udel.edu Antagonism between herbicides occurs when more than one herbicide is included in the spray tank and one herbicide reduces the effectiveness of another herbicide. This is not something new, we have been dealing with… Continue Reading
Mark VanGessel, Extension Weed Specialist; mjv@udel.edu As wheat harvest starts to kick into high gear, planting double-cropped soybeans is right around the corner. Even if the wheat field appears to be clean, there is likely to be small weeds that… Continue Reading
