Washington Pesticide Laws and Safety Vocabulary

absorbtion the movement of a chemical into plants, animals, including humans, microorganisms, or soil Acaricide pesticide used to control mites, ticks, miticide is a type of acaricide Acetylcholine primary chem responsible for transmission of nerve stimuli across the synapse of 2 neurons or to the muscle activated charcoal charcoal which when finely ground absorbs liquids and gasses activator an adjuvent added to a pesticide to increase its toxicity active ingredient the chemical or chemicals in products responsible for pesticidal activity acute effects the harmful effects that occur from a single exposure to a pesticide by any route of entry acute toxicity the capacity of a pesticide to cause injury from a single exposure. LD 50 and LC 50 are common indicators of the degree of acute toxicity. adherence the property of a substance to stick to a human surface adjuvent a substance added to a pesticide to improve its effectiveness or safety, same as additive. EX: penetrants, spreader stickers, wetting agents adsorption a process by which chemicals are held or bound to a surface by physical or chemical attraction. clay and high organic soils tend to adsorb pesticides. adulterated pesticide pesticide that does not conform to the professed standard or quality as documented on its label or labeling. Scott made it. Aerosol A material stored in a container under pressure. an extremely fine mist is produced when material, dissolved in a liquid, is released into the air from the pressurized container Agitation process of stirring or mixing in a sprayer air purifying respirators a type of protection from pesticides that uses physical and chemical filters to trap and remove contaminants as they pass through the device before being breathed by the wearer. these may be powered or non powered Air supplying respirators a type of protection from pesticides that provides clean, uncontaminated air from an outside source Algae relatively simple plants that contain chlorophyll and are photosynthetic Algaecide (algicide) a pesticide used to kill or inhibit algae annual a plant that completes its life cycle in one year antagonism the reduction of pesticide activity when two or more different pesticides are mixed together. antibiotics a microorganism produced chemical that is toxic to other microorganisms. EX pennicillin Anticoagulant chemical that prevents normal blood clotting. The active ingredient in some rodenticides. Antidote A practical treatment used to counteract the effects of poisoning or some other poison in the body Anti-siphoning device a hose attachment designed to prevent the back-flow into a water source. used to prevent the flow of pesticide mixes to spray tanks. Anti transpirant a chemical applied to a plant to reduce the rate of transpiration or water loss (plant sweat!) Aquifer a permeable zone of rock, sand, gravel, or limestone below the earth's surface saturated with water arachnid a wingless arthropod with two body regions and four pairs of jointed legs. Ex: spiders, ticks, mites Arthropod An invertebrate animal characterized by a jointed body and limbs and usually a hard body covering that is molted at intervals: Ex - insects, mites, crayfish Atropine (Atropine Sulfate) An antidote used to treat organo-phosphates and carbomate poisoning attractant substance or device to lure insects or other pests to a trap or poison bait avicide a chemical used to kill or repel birds bacteria microscopic organisms, some of which are capable of producing diseases in plants and animals. Bactericide Chemical used to control bacteria Bait A food or other substance used to attract a pest to pesticide or a trap where it will be destroyed Band Application Application of a pesticide or other material in or beside a crop row, rather than over the entire field area Basal application application to plant stems or trunks just above ground beneficial insect an insect that is useful or helpful to humans. EX pollinators, parasites, predators of pests Biennial a plant that completes its life cycle in two years biological control pest management strategy that uses predators, parasites, or disease-causing organisms. May be naturally occurring or introduced Bio magnification the process where some organisms accumulate chemical residues in higher concentrates than those found in the organisms they consume Botanical Pesticide Pesticide produced from chemicals found in plants EX: nicotine, pyrethrum, strychnine Brand name the name, number, or designation of a specific pesticide product or device made by a manufacturer or formulator EX: roundup Broadcast application uniform application of a pesticide or other material over an entire field or area Broad leaf plants plants with broad, rounded, or flattened leaves with netted veins such as dandelions and roses Broad spectrum pesticide A pesticide that is effective against a wide range