ARTICLES:

P. F. Scholander, Warner E. Love, and John W. Kanwisher

The Rise of Sap in Tall Grapevines.
Plant Physiol. 1955 30: 93-104. [PDF]  

N. Higinbotham and J. Hanson

The Relation of External Rubidium Concentration to Amounts and Rates of Uptake by Excised Potato Tuber Tissue.
Plant Physiol. 1955 30: 105-112. [PDF]  

William H. Thomas and Robert W. Krauss

Nitrogen Metabolism in Scenedesmus as Affected by Environmental Changes.
Plant Physiol. 1955 30: 113-122. [PDF]  

Robert A. Steinberg, Alston W. Specht, and Emery M. Roller

Effects of Micronutrient Deficiencies on Mineral Composition, Nitrogen Fractions, Ascorbic Acid and Burn of Tobacco Grown to Flowering in Water Culture.
Plant Physiol. 1955 30: 123-129. [PDF]  

Joyce C. Lewin

Silicon Metabolism in Diatoms. II. Sources of Silicon for Growth of Navicula Pelliculosa.
Plant Physiol. 1955 30: 129-134. [PDF]  

D. J. D. Nicholas and Alvin Nason

Role of Molybdenum as a Constituent of Nitrate Reductase from Soybean Leaves.
Plant Physiol. 1955 30: 135-138. [PDF]  

André T. Jagendorf

Purification of Chloroplasts by a Density Technique.
Plant Physiol. 1955 30: 138-143. [PDF]  

Winslow R. Briggs, Georges Morel, Taylor A. Steeves, I. M. Sussex, and Ralph H. Wetmore

Enzymatic Auxin Inactivation by Extracts of the Fern, Osmunda cinnamomea L.
Plant Physiol. 1955 30: 143-148. [PDF]  

Winslow R. Briggs, Taylor A. Steeves, I. M. Sussex, and Ralph H. Wetmore

A Comparison of Auxin Destruction by Tissue Extracts and Intact Tissues of the Fern, Osmunda cinnamomea L.
Plant Physiol. 1955 30: 148-155. [PDF]  

L. C. Hammond, W. H. Allaway, and W. E. Loomis

Effects of Oxygen and Carbon Dioxide Levels upon Absorption of Potassium by Plants.
Plant Physiol. 1955 30: 155-161. [PDF]  

William G. Boll

Inhibition of Excised Tomato Roots by Sulfanilamide and Its Reversal by P-Aminobenzoic Acid and N-Pteroylglutamic Acid.
Plant Physiol. 1955 30: 161-168. [PDF]  

James R. Troyer

The Distribution of Rutin and Other Flavonoid Substances in Buckwheat Seedlings.
Plant Physiol. 1955 30: 168-173. [PDF]  

S. I. Honda

Ascorbic Acid Oxidase in Barley Roots
Plant Physiol. 1955 30: 174-181. [PDF]  

News and Notes
Plant Physiol. 1955 30: 188-191. [PDF]  

BRIEF PAPERS:

Felix G. Gustafson and Aristid Lindenmayer

Determination of Fe⁵⁵ in Plant Material by the Thiocyanate Method.
Plant Physiol. 1955 30: 182-184. [PDF]  

S. Aronoff

Translocation from Soybean Leaves, II.
Plant Physiol. 1955 30: 184-185. [PDF]  

Bruce J. Rogers

Oxidation and Decarboxylation of Amino Acids by Squash Preparations.
Plant Physiol. 1955 30: 186-187. [PDF]  

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