Reports of soybean aphid populations continue to increase, while the spread of pyrethroid resistant soybean aphid across the northern Great Plains is becoming increasingly evident. Economic control of these little beasts is a balancing act. While long term use of chlorpyrifos is now in question, the implementation period from the lawsuit ruling will allow its …
Continue reading “Tools of the Trade: Late season soybean aphids”
According to the latest USDA-NASS report, 75 percent of the Minnesota soybean crop is rated good to excellent, about 88 percent of the crop is in flowering (4 days ahead of the 5 year average) and 59 percent of the crop is setting pods (6 days ahead of the 5 year average). It looks like …
If you guessed a or b, it’s likely you know a thing or two about controlling soybean aphids. If you answered d, you’re one of those people who always answers all of the above. If you answered c, you’re either scratching your head and questioning why, or you’re familiar with University of Minnesota Extension Entomologist Bob Koch’s research on aphids and buckthorn and you attended a tour near Faribault, Minn., and learned how Jake Langeslag, owner of Goat Dispatch, uses goats to help control buckthorn and other terrestrial invasive species.