Category E: Turf and Ornamentals Minnesota Pestici
Category E: Turf and Ornamentals Minnesota Pestici
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Category E: Turf and Ornamentals Minnesota Pesticide Exam (Terms to Know) Questions and Answers 100% Correct
Abiotic - ANSWER-related to factors or things that are separate and independent from living things; nonliving (air pollutants, wind, water, temperature)
Abiotic stresses - ANSWER-Caused by unfavorable growing conditions (drought, wind, flood)
Absorption - ANSWER-The movement of pesticides into plants and, to a lesser degree, soil microorganisms.
Adjuvant/Additive - ANSWER-Substance added to a pesticide to improve its effectiveness, usability or safety such as penetrants, spreader-stickers, storage stabilizers and wetting agents.
adventitious roots - ANSWER-roots produced by certain stems if roots are separated from the plant or if injury occurs.
Adsorption - ANSWER-Adhesion of an ultra thin layer of molecules to the surface of particles. The molecules do not penetrate the surface.
Aesthetic threshold - ANSWER-pest population density level when pest management methods must be applied to prevent reaching unacceptable levels of aesthetic damage to a plant or landscape
Alleopathy - ANSWER-chemical inhibition of one plant by another
Annual - ANSWER-A plant that completes its life cycle in one year
Aquatic life - ANSWER-Fish, invertebrates and others that live in water.
Bacteria/Bacterium - ANSWER-Single celled organisms, some of which cause disease in plants and animals
Bactericide - ANSWER-A chemical used to control bacteria. Backflow - ANSWER-Reverse flow of a liquid (such as a pesticide) into a water supply. Backflow can occur during chemigation or when filling tanks.
Beneficial insects - ANSWER-Insects that are essential for pollination of plants or play a
role in plant health care.
Biennial - ANSWER-A plant that requires two growing seasons to complete its life cycle
Biotic - ANSWER-living things
Broadcast shower - ANSWER-The uniform application of a pesticide or other material over an entire field or area.
Broadleaf plants - ANSWER-Plants with broad, rounded, or flattened leaves with netted veins. Examples: dandelions and roses. Different from the narrow, bladelike leaves with parallel veins of grasses, sedges, rushes, and onions.
Calibration - ANSWER-A practice of verifying and adjusting fert/pesticide application equipment to accurately apply a predetermined or calculated amount of product per area unit.
Chlorophyll - ANSWER-A pigment in chloroplast necessary for photosynthesis.
Chlorophyll A - ANSWER-Only pigment that can participate directly in the light reactions.
Chlorophyll B - ANSWER-accessory pigment, does not actively participate in photosynthesis.
Conifers - ANSWER-Needle-leaved or scale-leaved, mainly evergreen, cone-bearing trees or shrubs. Includes pines, spruces and firs.
Contact herbicides - ANSWER-Kill or stunts parts of the weed that are treated with the chemical. Most effective against annual weeds.
Control list - ANSWER-Prohibited noxious weeds for which efforts must be made to prevent the spread, maturation and dispersal of and propagating plants.
Controlled droplet - ANSWER-Rotary spray nozzles or controlled droplet applicators. Spray droplets fall nearly vertically onto the target. Can vary with cup diameter, speed and flow rates.
cultural practices - ANSWER-Methods of controlling a plant and the environment, such as tilling, fertilizing, mowing, pruning and watering.
Cuticle - ANSWER-Waxy layer on the outer protective layer of the leaf
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