June 2022
Glyphosate-tolerant GM crops aren't something that usually bring insecticides to mind. Indeed, historically, US soyabeans were only sporadically challenged by insect pests. Things changed around 2000 with the arrival of the soybean aphid which can only be controlled by foliar spraying. Hot on the heels of this pest invasion came dramatic increases in bean leaf beetle which prompted the US Environmental Protection Agency (EPA) to issue an emergency exemption for neonicotinoid insecticidal seed treatments.