SYMPOSIA PAPER Published: 01 January 1990
STP25368S

Evaluation of Cyclodextrin Complexes of Pesticides for Use in Minimization of Groundwater Contamination

Source

Recently, concern over the contamination of groundwater by pesticides has mounted. The cyclodextrin complexes of a number of pesticides most frequently implicated in groundwater contamination have been prepared.

Initial pesticide efficacy studies have been conducted using conventional application technologies with various preemergence herbicides (as both commercial formulations and cyclodextrin complexes) under greenhouse conditions. The leachability and persistence of the newly formulated herbicides in the soil profile were also measured utilizing bioassay indicator crops in the analyses. Cyclodextrin formulations of atrazine and simazine were prepared only under forcing conditions and had very low levels of biological activity. A cyclodextrin formulation of metribuzin was somewhat less active than the commercial formulation, possibly as a result of controlled release properties.

Author Information

Dailey, OD
Dowler, CC
Glaze, NC
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Details
Developed by Committee: E35
Pages: 26–37
DOI: 10.1520/STP25368S
ISBN-EB: 978-0-8031-5136-9
ISBN-13: 978-0-8031-1388-6