GLYPHOSATE, OTHER HERBICIDES, AND TRANSFORMATION PRODUCTS IN MIDWESTERN STREAMS, 20021

Toxicity of formulants and heavy metals in glyphosate-based herbicides and other pesticides

The major pesticides of the world are glyphosate-based herbicides (GBH), and their toxicity is highly debated. To understand their mode of action, the comparative herbicidal and toxicological effects of glyphosate (G) alone and 14 of its formulations were studied in this work, as a model for pesticides. GBH are mixtures of water, with commonly 36-48% G claimed as the active principle. As with o...

Intentional self-poisoning with glyphosate-containing herbicides.

Four cases of self-poisoning with 'Roundup' herbicide are described, one of them fatal. One of the survivors had a protracted hospital stay and considerable clinical and laboratory detail is presented. Serious self-poisoning is associated with massive gastrointestinal fluid loss and renal failure. The management of such cases and the role of surfactant toxicity are discussed.

Prediction of Herbicides Concentration in Streams

Natural products as herbicides

Plants and microbes contain a largely unexploited storehouse of phytotoxins that might be used directly or as structural indicators for new synthetic herbicides. Several factors have increased the interest of the herbicide industry in this source of natural products as herbicides. Natural compounds have made a large impact in the area of insecticides, whereas relatively minor successes have bee...

Impact of glyphosate and glyphosate-based herbicides on the freshwater environment.

Glyphosate [N-(phosphonomethyl) glycine] is a broad spectrum, post emergent herbicide and is among the most widely used agricultural chemicals globally. Initially developed to control the growth of weed species in agriculture, this herbicide also plays an important role in both modern silviculture and domestic weed control. The creation of glyphosate tolerant crop species has significantly incr...