Pesticides used on cannabis: A 2020 Recap A lot went down in the cannabis pesticides world in 2020. Health Canada‘s Pest Management Regulatory Agency (PMRA) gave new… By hempcbdtimes , in 2020 pesticides cabbage looper Cannabis News cannabis pesticides cannapm chloropicrin Education featured fungicides Health Canada insects Marijuana News mould pesticides PMRA powdery mildew prestop products science sprays Technology , at March 4, 2021