Reports

Auxin in Coleus Stems: Limitation of Transport at Higher Concentrations

Science  15 Feb 1963:
Vol. 139, Issue 3555, pp. 589-590
DOI: 10.1126/science.139.3555.589

Abstract

Previous indirect evidence that the endogenous concentration of plant hormones of the auxin type is controlled by a limitation of transport over the physiological range of concentration was confirmed by measuring directly the transport of the native auxin, indoleacetic acid, through segments of Coleus stems.

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