VIRGINIA COMMERCIAL APPLICATOR CATEGORY 3B TURF

VIRGINIA COMMERCIAL APPLICATOR CATEGORY 3B TURF

PEST CONTROL KEY TERMS (ACTUAL / ) EXAM

QUESTIONS AND VERIFIED CORRECT ANSWERS

Disease - ---Answers___An abnormal condition caused by something interfering with a plant's normal life functions. A number of stress factors——biotic, abiotic, or a combination of both—may cause plant diseases.

Disease Cycle - ---Answers___Stages through which a sick plant proceeds, from start to finish of an infection.

Excrement - ---Answers___Fecal material; Waste products from an animal's digestive system.

Foliar - ---Answers___Pertaining to the leaves.

Frass - ---Answers___Another name for insect excrement, usually in the form of pellets.

Fungus (Plural = Fungi) - ---Answers___Simple organism that lacks chlorophyll and cannot make its own food. A parasitic fungus obtains nutrition from a living host. Other types of fungi decompose nonliving organic matter (such leaf litter or thatch). Fungi reproduce by forming spores. 1 / 3

Grub - ---Answers___The larval stage of some beetles.

Habitat - ---Answers___A specific area or environment in which an organism normally lives.

Haustorium (Plural = Haustoria) - ---Answers___A small projection from a parasitic fungus or plant that penetrates the host and absorbs food.

Hypha (Plural = Hyphae) - ---Answers___A single tubular filament of a fungus.

Infest - ---Answers___To inhabit or overrun in large. numbers.

Infestation - ---Answers___A pest population so large that it is harmful or unpleasant.

Inflorescence - ---Answers___The flowering section of a shoot.

Organism - ---Answers___A general term for any living thing.

Overwinter - ---Answers___To survive during the cold months of the year.

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Panicle - ---Answers___An inflorescence or seed head that has a main axis and subdivided branches. A panicle is triangular in outline, with branches around the main stem.

Parasite - ---Answers___An organism that gets all or part of its food from another living organism and, in so doing, harms that organism (its host).

Pathogen - ---Answers___An organism that causes disease.

Pathogenic - ---Answers___Capable of causing disease or illness.

Perennial - ---Answers___A plant that has a life span of more than two years. Perennials do not die after flowering.

Petiole - ---Answers___The stalk of a leaf.

Phloem - ---Answers___Plant tissue that transports; food. In trees and shrubs, the inner layer of bark is phloem tissue.

Photosynthesis - ---Answers___A process in which plants use sunlight as energy to convert carbon dioxide and water into carbohydrates, which they use for food and as building materials.

Prostrate - ---Answers___Growing flat upon the ground.

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