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. 1963 Feb 15;139(3555):589-90.
doi: 10.1126/science.139.3555.589.

Auxin in Coleus Stems: Limitation of Transport at Higher Concentrations

T K Scott, W P Jacobs

Auxin in Coleus Stems: Limitation of Transport at Higher Concentrations

T K Scott et al. Science. .

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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