Abstract
AT the time of the discovery of the selective herbicidal activity of (i) the substituted phenoxy-acetic acids1,2 and (ii) the arylcarbamic esters3,4, many other chemical types were examined, and 2-benzoylbenzoic acid and its derivatives received considerable attention because of their marked biological activity5. The investigation of this type was at the time abandoned because of the superior promise of the phenoxyacetic acid derivatives as agents for the practical control of crop weeds. It is felt desirable, nevertheless, to place our observations on record, for it is our view that as the study of the subject develops, increasing numbers of different types of chemicals will be found to display selective herbicidal action, and the recording of data will contribute to the ultimate understanding of the relationships between chemical constitution and herbicidal effect.
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References
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SEXTON, W., TEMPLEMAN, W. Differential Effect of 2-Benzoylbenzoic Acid and its Derivatives upon Plant Species. Nature 161, 974–975 (1948). https://doi.org/10.1038/161974a0
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DOI: https://doi.org/10.1038/161974a0
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