Question | Answer |
Biennial Weed | completes its life cycle in 2 years |
Instars | a phase between two periods of molting in the development of an insect larva or other invertebrate animal |
Noxious Weed | a plant considered harmful to animals or the environment |
Vector | an organism that attaches another DNA to itself to put in another organism |
Nematodes | a worm of the large phylum Nematoda, such as a roundworm or threadworm |
Insect | a small arthropod animal that has six legs and generally one or two pairs of wings. |
Chemical Control | Synthetic pesticides are generally only used as required and often only at specific times in a pests life cycle. Many of the newer pesticide groups are derived from plants or naturally occurring substances |
Metamorphosis | (in an insect or amphibian) the process of transformation from an immature form to an adult form |
Casual Agent | refers to the biological pathogen that causes a disease, such as a virus, parasite, fungus, or bacterium. |
Perennial Weed | plants that live for several years |
Hyphae | each of the branching filaments that make up the mycelium of a fungus |
Diseases | a disorder of structure or function in a human, animal, or plant, esp. one that produces specific signs or symptoms or that affects a specific location and is not simply a direct result of physical injury. |
Disease Triangle | A pathological condition of a part, organ, or system of an organism resulting from various causes, such as infection, genetic defect, or environmental stress, and characterized by an identifiable group of signs or symptoms. |
Bacteria | a member of a large group of unicellular microorganisms that have cell walls but lack organelles and an organized nucleus, including some that can cause disease. |
Annual Weed | completes its life cycle in one year |
Biological Control | the control of a pest by the introduction of a natural enemy or predator. |
Pesticide Resistance | crops with the ability to resist insects |
Cultural Control | the practice of modifying the growing environment to reduce the prevalence of unwanted pests |
Arachnid | an arthropod of the class Arachnida, such as a spider or scorpion. |
Viruses | an infective agent that typically consists of a nucleic acid molecule in a protein coat, is too small to be seen by light microscopy, and is able to multiply only within the living cells of a host. |
Eradication | eliminate completely |
Key Pest | pest around which management programs are built. Examples are codling moth, oriental fruit moth and cherry fruit fly. |
Quarantine | separate from others; isolation |
Fungi | a taxonomic kingdom, or in some classification schemes a division of the kingdom Plantae, comprising all the fungus groups and sometimes also the slime molds. |
Pathogens | a bacterium, virus, or other microorganism that can cause disease. |