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Featured researches published by Lawrence Ordin.


Botanical Gazette | 1962

Effect of Air-Borne Oxidants on Biological Activity of Indoleacetic Acid

Lawrence Ordin; Betty Propst

1. Ozone and peroxyacetyl nitrate inactivate the biological activity of indoleacetic acid in an irreversible manner. The relative inactivating power of the two substances is about the same. 2. Ascorbic acid and reduced glutathione can prevent this inactivation by oxidants. The addition of ascorbic acid to ozone- or peroxyacetyl nitrate-treated indoleacetic acid did not restore the growth-promoting function. 3. Ultraviolet spectra indicated that the indole ring had been altered by the ozone and by the PAN.


Plant Physiology | 1954

Organic Acid Metabolism and Ion Absorption in Roots

Louis Jacobson; Lawrence Ordin


Plant Physiology | 1956

Auxin-Induced Water Uptake by Avena Coleoptile Sections.

Lawrence Ordin; Thomas H. Applewhite; James C. Bonner


Plant Physiology | 1957

Effect of Galactose on Growth and Metabolism of Avena Coleoptile Sections.

Lawrence Ordin; James C. Bonner


Plant Physiology | 1960

Effect of Water Stress on Cell Wall Metabolism of Avena Coleoptile Tissue

Lawrence Ordin


Plant Physiology | 1955

Inhibition of Ion Absorption and Respiration in Barley Roots.

Lawrence Ordin; Louis Jacobson


Plant Physiology | 1951

DISTRIBUTION OF MICRONUTRIENT METALS IN LEAVES AND CHLOROPLAST FRAGMENTS

F. R. Whatley; Lawrence Ordin; Daniel I. Arnon


Plant Physiology | 1956

Permeability of Avena Coleoptile Sections to Water Measured by Diffusion of Deuterium Hydroxide.

Lawrence Ordin; James C. Bonner


Plant Physiology | 1956

Permeability of Vicia Faba Root Segments to Water as Measured by Diffusion of Deuterium Hydroxide.

Lawrence Ordin; Paul J. Kramer


Plant Physiology | 1962

Effect of Peroxyacetyl Nitrate on Growth & Cell Wall Metabolism of Avena Coleoptile Sections

Lawrence Ordin

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James C. Bonner

North Carolina State University

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Louis Jacobson

University of California

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F. R. Whatley

University of California

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