This journal provides immediate access to some articles. Volume 47(6); June 1971 Articles Effect of Sodium on Potassium Fluxes at the Cell Membrane and Vacuole Membrane of Red Beet PMCID: PMC396761 Development and Characteristics of Sodium-selective Transport in Red Beet PMCID: PMC396762 Solubilization and Separation of Uridine Diphospho-d-glucose: β-(1 → 4) Glucan and Uridine Diphospho-d-glucose:β-(1 → 3) Glucan Glucosyltransferases from Coleoptiles of Avena sativa PMCID: PMC396763 Changes in Sterol Composition during Greening of Etiolated Barley Shoots PMCID: PMC396764 Poly-β-hydroxybutyrate Utilization by Soybean (Glycine max Merr.) Nodules and Assessment of Its Role in Maintenance of Nitrogenase Activity PMCID: PMC396765 The Physical Basis of Gravity Stimulus Nullification by Clinostat Rotation PMCID: PMC396766 Ethylene-enhanced Synthesis of Phenylalanine Ammonia-Lyase in Pea Seedlings PMCID: PMC396767 Effects of Gamma Irradiation on Chromatin Activity of Sugar Beet Tissue PMCID: PMC396768 Spectral Distribution of Light in a Tobacco Canopy and Effects of End-of-Day Light Quality on Growth and Development PMCID: PMC396769 The Effect of pH on the Products of Photosynthesis in 14CO2 by Chloroplast Preparations from Acetabularia mediterranea PMCID: PMC396770 Participation of Long-Day Inhibition in Flowering of Xanthium strumarium L. PMCID: PMC396771 Intact Tissue Assay for Nitrite Reductase in Barley Aleurone Layers PMCID: PMC396772 The Influence of Auxin, Cacodylic Acid, and Amitrole on the Abscission of Petiole Explants PMCID: PMC396773 Calcium Deficiency of Dark-grown Seedlings of Phaseolus vulgaris L. PMCID: PMC396774 The Mechanical Behavior of Isolated Avena Coleoptile Walls Subjected to Constant Stress: Properties and Relation to Cell Elongation PMCID: PMC396775 The Effect of Auxin on Stress Relaxation in Isolated Avena Coleoptiles PMCID: PMC396776 Recovery of Photosynthesis in Sunflower after a Period of Low Leaf Water Potential PMCID: PMC396777 Effects of Photoperiod on Growth Rate and Endogenous Gibberellins in the Long-Day Rosette Plant Spinach PMCID: PMC396778 Effects of Water Stress on the Activities of Three Enzymes in Maize Seedlings PMCID: PMC396779 The Effect of Calcium and Inhibitors on Corn Mitochondrial Respiration PMCID: PMC396780 Effect of Iron on the Transport of Citrate into the Xylem of Soybeans and Tomatoes PMCID: PMC396781 Effect of Light on the Rate of Glycolysis in Scenedesmus obliquus PMCID: PMC396782 Promotion of Callus Formation by Abscisic Acid in Citrus Bud Cultures PMCID: PMC396783 CO2 Compensation Concentration in Maize (Zea mays L.) Genotypes PMCID: PMC396784 Abnormal Stomatal Behavior and Hormonal Imbalance in Flacca, a Wilty Mutant of Tomato: III. Hormonal Effects on the Water Status in the Plant PMCID: PMC396785 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||