Pesticides: Chemical products used to reduce or eliminate unwanted organisms, regarded as 'pests'. Pesticides are often used on gardens, agricultural land, roadsides, and golf courses to eliminate species considered undesirable or damaging.

 

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Pesticides: Chemicals that are applied to agricultural crops or domesticated plants and which kill or inhibit growth of insects.

Persistent Pesticides: Pesticides that do not readily break down in the environment. Becoming long-lived components of the ecosystem, these chemicals may have enduring effects at low concentrations or may bioaccum . . . View Full Definition

Botanical Pesticides: Pesticides whose active ingredients are plant-produced chemicals such as nicotine, rotenone, or strychnine. Also called plant-derived pesticides. Being 'natural' pesticides, as distinct from . . . View Full Definition

Restricted-Use Pesticides: A pesticide may be classified for restricted use if it requires special handling because of its toxicity. These may be applied only by trained, certified applicators or those under their dir . . . View Full Definition

LD50- Lethal Dose - LC50-Lethal Concentration: The dose (median concentration) of a toxicant that will kill 50% of the test animals within a designated period. The lower the LC50, the more toxic the compound. Testing to determine lethal . . . View Full Definition

Leaching: The loss of soluble material from decaying organisms

Mutagen: A substance that causes mutations (genetic damage).

IR-4: Inter-regional Project 4, also know as the Minor Crop Pest Management Program, is funded by CSREES to generate data to register pesticides and biological pest control agents for minor crops . . . View Full Definition

Federal Insecticide: P.L. 80-44 (June 25, 1947), as amended, is the basic authority that requires the Environmental Protection Agency to regulate the sales and uses of pesticides. The federal government began re . . . View Full Definition

Endocrine Disruptor: A chemical agent that interferes with natural hormones in the body. Hormones are secreted by endocrine glands (such as the pituitary, thyroid, pancreas, ovary, and testis), are transported t . . . View Full Definition