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Additive and Synergistic Growth-Inhibiting Properties of the Canaline-Urea Cycle Amino Acids

Gerald A. Rosenthal, Dushyant K. Gulati and P. S. Sabharwal
Plant Physiology
Vol. 57, No. 4 (Apr., 1976), pp. 493-496
Stable URL: http://www.jstor.org/stable/4264383
Page Count: 4
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Additive and Synergistic Growth-Inhibiting Properties of the Canaline-Urea Cycle Amino Acids
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Abstract

Growth studies with Lemna minor revealed the additive and synergistic growth-inhibiting properties of the canaline-urea cycle amino acids. Simultaneous canavanine and canaline treatment caused an additive reduction in frond production. Ureidohomoserine interacted with canaline or canavanine to affect synergistically L. minor growth by enhancing individual canavanine or canaline toxicity and increasing the additive growth reduction caused by canavanine plus canaline. The ornithine-urea cycle amino acids effectively counteracted both the additive and synergistic growth-inhibiting properties of the canaline-urea cycle compounds.

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