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Science 5 December 1969:
Vol. 166. no. 3910, pp. 1299 - 1300
DOI: 10.1126/science.166.3910.1299
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Articles

Pesticide Interaction Creates Hybrid Residue

Richard Bartha 1

1 Department of Biochemistry and Microbiology, Rutgers University, New Brunswick, New Jersey 08903

When applied in combination, the herbicides N-(3,4-dichlorophenyl)-propionamide (propanil) and N-(3-chloro-4-methylphenyl)-2-methyl-pentanamide (solan) were transformed in soil to an unexpected residue—asymmetric 3,3',4-trichloro-4'-methylazobenzene. Each herbicide contributed one-half of the asymmetric azobenzene molecule.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)