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. 1963 Jul 26;141(3578):363.
doi: 10.1126/science.141.3578.363.

A Picolinic Acid Derivative: A Plant Growth Regulator

J W Hamaker, H Johnston, R T Martin, C T Redemann

A Picolinic Acid Derivative: A Plant Growth Regulator

J W Hamaker et al. Science. .

Abstract

4-Amino-3,5,6-trichloropicolinic acid is more toxic to many broad-leaved plants than 2,4-dichlorophenoxyacetic acid and 2,4,5-trichlorophenoxyacetic acid. It is comparable in absorption by foliage, in translocation, and in soil-leaching characteristics; in soil, however, it retains its activity for a longer time.

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