TN Pesticide Applicator Questions and Answers 2024

bioaccumulation - ability to accumulate chemical residuals in the fatty tissues of animals biomagnification - process whereby some organisms accumulate chemical residues in higher concentrations than those found in the organisms they consume pathogens - disease-causing organisms 4 main pest groups - weeds invertebrates (insects, mites, ticks. spiders, snails) disease agents or pathogens (viruses, fungi, etc) vertebrates (birds, fish, rodents, other mammals) integrated pest management (IPM) - combined use of several compatible management methods to prevent pests from reaching economically or aesthetically damaging levels with the least risk to the environment natural controls - measures that check or destroy pests without depending on humans for their continuance or success ex. of natural controls - wind, temperature, sunshine, rain, naturally occurring predators, parasites, and pathogens applied controls - pest control initiated through human intervention ex. of applied controls - biological, mechanical. cultural, physical/environmental modification, genetic, chemical, regulatory methods biological control - introduction of a pest's suitable natural enemies mechanical control - use of devices, machines, and other physical methods to control pests or alter their environment ex. of mechanical control - traps, screens, barriers, fences, nets cultivation - controlling weeds & soil-inhabiting pests by physically destroying weed growth and disrupting soil conditions suitable for survival of pests exclusion - mechanical control technique that consists of barriers to prevent pests from getting into an area