Presents a brief review of pesticide use. Included topics are: biological activity, formulation, application, uptake, metabolism, residues, and tolerance. (BB)

Describes the effect of "plant growth regulators" on plants, such as controlling the flowering, fruit development, plant size, and increasing crop yields. Provides a list of plant growth regulators which includes their chemical, common, and trade names, as well as their different use(s). (GA)

The metabolism and toxicology of the herbicide 2, 4, 5-T are reviewed. (BB)

Describes the usefulness of glyphosate for a demonstration of its herbicidal properties. Includes a list of the materials, preparation of solutions, procedures, data collection and analysis for three activities involving this chemical. (CW)