Presented is a brief review of plant growth substances and selective herbicides. Topics include herbicidal selectivity and inhibitors. (BB)

Aquatic plants can be divided into two types: algae and macrophytes. The goal of aquatic plant management is to maintain a proper balance of plants within a lake and still retain the lake's recreational and economic importance. Aquatic plant management programs have two phases: long-term management (nutrient control), and short-term management…

This agriculture extension service publication from Pennsylvania State University discusses the control of common grass and broadleaf weeds through the use of mulches and herbicides. The section on mulches discusses the different types of mulching materials, their advantages and disadvantages, herbicide-mulch combinations, and lists source of…

This agriculture extension service publication from Pennsylvania State University examines agronomic weed problems and control. Contents include a listing of the characteristics of weeds, a section on herbicides, and a section on the important weeds of agronomic crops in Pennsylvania. The herbicide section discusses systemic herbicides, contact…

This manual provides information needed to meet the minimum standards for certification as an applicator of pesticides in the agricultural plant pest control category. Adapted for the State of Virginia, the text discusses: (1) the basics of insecticides; (2) insect pests; (3) selection and calibration of applicator equipment; and (4) the proper…

The history of the development of the herbicide industry, particularly the phenoxy herbicides 2, 4-D, and 2, 4, 5-T,is presented. (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)

Information and diagrams are given for identification and treatment of weed grasses and broadleaf weeds. Herbicides are suggested for use against each weed and instructions are given for proper application. Information is given for buying herbicides, and applying sprays and cleaning sprayers. (BB)

This manual discusses weed control to be applied to such areas as roads, airports, railroads, electric utilities, waterways; and trails. Included is information about types of weeds, methods of weed control, safe and effective use of herbicides, and application equipment. Some topics included are: (1) selective and nonselective herbicides; (2)…

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

This agriculture extension service publication from Pennsylvania State University is a handbook for the water body manager. The bulk of the contents deals with aquatic plant control. The different types of aquatic plants, their reproduction and growth, and their role in the ecology of the water body are introduced in this main section. Also, the…

This agriculture extension service publication from Pennsylvania State University is an introduction to weed control and herbicide use. An initial discussion of the characteristics of weeds includes scientific naming, weed competition with crops, weed dispersal and dormancy, and conditions affecting weed seed germination. The main body of the…

This publication, produced by the Pennsylvania Cooperative Extension Service, is a non-technical guide to chemical control of aquatic vegetation. The purpose of this circular is to aid the land owner or manager in managing ponds, streams, and other water bodies for desired uses by managing the vegetation in, on, and around the water. Among the…