ARTICLES:

K. K. Nanda and J. J. Chinoy

Analysis of Factors Determining Yield in Crop Plants. I. Varietal Differences in Yield of Grain and Straw of Wheat As Influenced by Photoperiodic Treatments.
Plant Physiol. 1957 32: 157-162. [PDF]  

K. K. Nanda and J. J. Chinoy

Analysis of Factors Determining Yield in Crop Plants. II. The Influence of Photoperiodic Treatments on Characters Determining Yield in Wheat with Special Reference to the Temperature of the Ripening Period.
Plant Physiol. 1957 32: 163-169. [PDF]  

Frank M. Eaton and David R. Ergle

Mineral Nutrition of the Cotton Plant.
Plant Physiol. 1957 32: 169-175. [PDF]  

C. L. Mer

A Re-examination of the Supposed Effect of Riboflavin on Growth.
Plant Physiol. 1957 32: 175-185. [PDF]  

Conrad S. Yocum and David P. Hackett

Participation of Cytochromes in the Respiration of the Aroid Spadix.
Plant Physiol. 1957 32: 186-191. [PDF]  

Donald H. Slocum and John E. Little

Growth Stimulation of Avena Coleoptiles.
Plant Physiol. 1957 32: 192-196. [PDF]  

Paul Saltman, Victoria H. Lynch, George M. Kunitake, Clyde Stitt, and Herbert Spolter

The Dark Fixation of CO₂ by Succulent Leaves: Metabolic Changes Subsequent to Initial Fixation.
Plant Physiol. 1957 32: 197-200. [PDF]  

George M. Kunitake, Paul Saltman, and Anton Lang

The Products of CO₂ Fixation in Leaves of Long- and Short-Day Treated Kalanchoë blossfeldiana.
Plant Physiol. 1957 32: 201-203. [PDF]  

James A. Lockhart

Studies on the Organ of Production of the Natural Gibberellin Factor in Higher Plants.
Plant Physiol. 1957 32: 204-207. [PDF]  

Takashi Tagawa and James Bonner

Mechanical Properties of the Avena Coleoptile As Related to Auxin and to Ionic Interactions
Plant Physiol. 1957 32: 207-212. [PDF]  

Lawrence Ordin and James Bonner

Effect of Galactose on Growth and Metabolism of Avena Coleoptile Sections.
Plant Physiol. 1957 32: 212-215. [PDF]  

Lawrence Ordin, Robert Cleland, and James Bonner

Methyl Esterification of Cell Wall Constituents under the Influence of Auxin.
Plant Physiol. 1957 32: 216-220. [PDF]  

Hubert Bradford Vickery

The Formation of Starch and the Behavior of Isocitric Acid in Excised Leaves of Bryophyllum calycinum Cultured in Darkness
Plant Physiol. 1957 32: 220-224. [PDF]  

George E. Barrier and W. E. Loomis

Absorption and Translocation of 2,4-Dichlorophenoxyacetic Acid and P³² by Leaves
Plant Physiol. 1957 32: 225-231. [PDF]  

Albert C. Hildebrandt, A. J. Riker, and Elizabeth Muir

Growth in Vitro of Marigold and Tobacco Tissue with Nucleic Acids and Related Compounds
Plant Physiol. 1957 32: 231-236. [PDF]  

News and Notes
Plant Physiol. 1957 32: 249. [PDF]  

Change of Editor-in-Chief
Plant Physiol. 1957 32: 251. [PDF]  

BRIEF PAPERS:

J. Levitt

The Role of Cell Sap Concentration in Frost Hardiness
Plant Physiol. 1957 32: 237-239. [PDF]  

Paul E. Waggoner and A. E. Dimond

Altering the Pigments Produced by Tyrosinase and Ortho-Hydroxyphenols with a Meta-Hydroxyphenol, 4-Chlororesorcinol
Plant Physiol. 1957 32: 240-242. [PDF]  

Carrick E. Wildon, Charles L. Hamner, and Samuel T. Bass

The Effect of 2,4-Dichlorophenoxyacetic Acid on the Accumulation of Mineral Elements in Tobacco Plants
Plant Physiol. 1957 32: 243-244. [PDF]  

R. B. Withrow and L. Price

A Darkroom Safelight for Research in Plant Physiology
Plant Physiol. 1957 32: 244-248. [PDF]  

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