Light and Hormones: Interchangeability in the Induction of Nitrate Reductase

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Science  03 Oct 1969:
Vol. 166, Issue 3901, pp. 109-110
DOI: 10.1126/science.166.3901.109


Suitable concentrations of kinetin and gibberellic acid permit induction of nitrate reductase in leaves of tobacco in the dark. Hormone sprays eliminate the need for light induction of the enzyme. The concentration of gibberellic acid required for optimal induction varies according to the concentration of kinetin supplied.

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