Virginia Commercial Applicator Category 3B Turf Pest Control Key Terms|100% verified|24 pages

Virginia Commercial Applicator Category 3B Turf Pest Control Key Terms Calibrate Correct Answer-To measure the delivery rate and distribution of application equipment; to adjust application equipment so the desired amount of pesticide is applied evenly to a given area. Disease Correct Answer-An abnormal, unhealthy condition. Turf diseases may be caused by abiotic or biotic factors. However, they are typically due to infectious organisms such as bacteria, fungi, and viruses. Exclusion Correct Answer-Using some sort of barrier to keep a pest out of an area. Exposure Correct Answer-Coming in contact with a pesticide either by ingestion (oral), inhalation, or absorption through the skin (dermal). Habitat Correct Answer-A specific area or environment in which an organism normally lives. Insect Correct Answer-An arthropod with three body regions: a head (front), a thorax (middle), and an abdomen (rear). Most insects have one pair of antennae on the head, two pairs of Wings, and three pairs of legs on the thorax. Most have complex mouthparts adapted for a special type of feeding. Integrated Pest Management (IPM) Correct Answer-VA management system that uses all appropriate pest control strategies to reduce pest populations to an acceptable level. IPM uses an ecological approach to pest management. Life Cycle Correct Answer-An 0rganism's progression through developmental stages. As some organisms go through their life cycle, they change in body form and habits. Mite Correct Answer-A small arachnid with eight legs in the adult stage. Mites have a single body region, which seems to lack segmentation. Some mites are plant pests. Mollusk Correct Answer-A soft-bodied animal. A mollusk does not have a backbone. Mollusks have a hard calcium-based shell covering its body. Clams, snails, and slugs are mollusks. Monitoring Correct Answer-The process of assessing-"keeping tabs on"—the size and distribution of a pest population in an area. Natural Controls Correct Answer-Natural forces that affect pest populations. Examples include climate, natural enemies, natural barriers, and the availability of food, water, and shelter. These natural forces act independently and may either help or hinder human attempts to control pests. Nematode Correct Answer-A small, unsegmented roundworm. Most nematodes are so small that they cannot be seen with the naked eye. Leaching Correct Answer-Movement of a substance (such as a pesticide) in solution downward through soil. Nematicide Correct Answer-A pesticide that controls nematodes. Parasite Correct Answer-An organism that obtains its food from another living thing, and in so doing, harms that organism (its host). The disease organism is the parasite, and the infected organism is the host. Perennial Correct Answer-A plant that lives for more than two growing seasons. Pesticide Correct Answer-Any substance used to control or repel a pest, or to reduce the unwanted or harmful effects of a pest. Phloem Correct Answer-A specialized plant tissue, that conducts food. Phytotoxicity Correct Answer-Injury or damage to a sensitive plant caused by a chemical exposure. Poling Correct Answer-Brushing the surface of a turf stand with long, limber bamboo poles. This practice helps remove water from leaves. Poling bermudagrass golf greens in early morning helps to get rid of dew. Predator Correct Answer-An animal which hunts and kills other animals for food. Relative Humidity (RH) Correct Answer-A temperature-specific measure of the amount of moisture held in the air. RH is the ratio of the amount of water vapor in air at a specific temperature to the amount of Water vapor required for saturation at that temperature.