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Definition of bentazon:
Bentazon is a herbicide used in agriculture for selective post-emergence control of many broad leaf weeds in soybeans, rice, corn, peanut, mint, dry bean, dry peas and succulent lima bean plantations[1].
This is the common definition for bentazon, other definitions can be discussed in the article



Bentazon is expected to enter the surface water by run-off from application sites. It has a moderate water solubility of 500 mg/l and a low tendency to adsorb to soils and sediments. In water it can be rapidly broken down by sun light (photodegradation). It can also be biodegraded. Its environmental half-life varies between 24 hours and 4 months, depending on the environmental conditions[2] [3].

It has a very low a tendency to bioaccumulate.

Bentazon has a low toxicity to most aquatic animals. Concentrations above 100 mg/l cause acute toxicity to fishes. Invertebrates are most vulnerable; mussels die at concentrations above 20 mg/l. Concentrations above 5 mg/l might affect phytoplankton[4].

Environmental standards and legislation

Included in the water framework list of priority substances


The main author of this article is Daphnis De Pooter
Please note that others may also have edited the contents of this article.

Citation: Daphnis De Pooter (2020): Bentazon. Available from [accessed on 16-07-2024]