This journal provides immediate access to some articles. Volume 51(6); June 1973 Articles Chloroplast Response to Low Leaf Water Potentials: I. Role of Turgor PMCID: PMC366389 Chloroplast Response to Low Leaf Water Potentials: II. Role of Osmotic Potential PMCID: PMC366390 Substrate Activation of β-(1 → 3) Glucan Synthetase and Its Effect on the Structure of β-Glucan Obtained from UDP-d-glucose and Particulate Enzyme of Oat Coleoptiles PMCID: PMC366391 Induction of Abscission at Hypobaric Pressures PMCID: PMC366392 Deoxyribonucleic Acid and Ribonucleic Acid Synthesis during the Cell Expansion Phase of Cotyledon Development in Vicia faba L PMCID: PMC366393 Mechanism of a Synergistic Effect of Kinetin on Auxin-induced Ethylene Production: Suppression of Auxin Conjugation PMCID: PMC366394 Multiple Forms of Acidic Endopeptidase from Germinated Barley PMCID: PMC366395 Increased Activity of Chromatin-bound Ribonucleic Acid Polymerase from Soybean Hypocotyl with Spermidine and High Ionic Strength PMCID: PMC366396 On the Nature of the Physiological Responses of Avena Stem Segments to Gibberellic Acid Treatment PMCID: PMC366397 Ethylene-induced Phenylalanine Ammonia-Lyase Activity in Carrot Roots PMCID: PMC366398 Influence of Phenolic Acids on Ion Uptake: I. Inhibition of Phosphate Uptake PMCID: PMC366399 Evidence for Lack of Turnover of Ribulose 1,5-Diphosphate Carboxylase in Barley Leaves PMCID: PMC366400 Gametogenesis in Chlamydomonas eugametos: I. Light Requirements PMCID: PMC366401 Enzymatic Fractionation of Carbon Isotopes by Phosphoenolpyruvate Carboxylase from C4 Plants PMCID: PMC366402 Partial Purification and Properties of d-Glucosamine 6-Phosphate N-Acetyltransferase from Phaseolus aureus PMCID: PMC366403 Effect of Low Levels of Calcium on Exudation of Sugars and Sugar Derivatives from Intact Peanut Roots under Axenic Conditions PMCID: PMC366404 Salt-stimulated Adenosine Triphosphatase from Smooth Microsomes of Turnip PMCID: PMC366405 The Relation between Photophosphorylation and Delayed Light Emission in Chloroplasts PMCID: PMC366406 Estimation of Nitrogenase Using a Colorimetric Determination for Ethylene PMCID: PMC366407 Malate Dehydrogenases of Pisum sativum: Tissue Distribution and Properties of the Particulate Forms PMCID: PMC366408 Light-induced Ethylene Production in Sorghum PMCID: PMC366409 Quantifying Rhythmic Movements of Albizzia julibrissin Pinnules PMCID: PMC366410 The Role of Phytochrome in an Interaction with Ethylene and Carbon Dioxide in Overcoming Lettuce Seed Thermodormancy PMCID: PMC366411 Effects of Carbon Dioxide on Activity of Apple Mitochondria PMCID: PMC366412 Effects of Potassium Deficiency on the Photosynthesis and Respiration of Leaves of Sugar Beet under Conditions of Low Sodium Supply PMCID: PMC366413 Effects of Gibberellic Acid and Sucrose on the Growth of Oat (Avena) Stem Segments PMCID: PMC366414 Separation and Ultrastructure of Proplastids from Dark-grown Euglena Cells PMCID: PMC366415 Development of Photochemical Activity and the Appearance of the High Potential Form of Cytochrome b-559 in Greening Barley Seedlings PMCID: PMC366416 Malate Dehydrogenase Isoenzymes in Division Synchronized Cultures of Euglena PMCID: PMC366417 Separation of Mesophyll Protoplasts and Bundle Sheath Cells from Maize Leaves for Photosynthetic Studies PMCID: PMC366418 Studies on the 70S Ribosomal Content of a Plastid Mutant in Gossypium hirsutum PMCID: PMC366419 Growth of Rice Root-derived Callus Tissue in Suspension Culture PMCID: PMC366420 Control of CO2 Fixation by Cell-free Extracts of Chlamydomonas reinhardtii PMCID: PMC366421 Effects of Water Stress on the Indoleacetic Acid Oxidase Activity in Wheat Leaves PMCID: PMC366422 Germination of Phaseolus vulgaris: IV. Patterns of Protein Synthesis in Excised Axes PMCID: PMC366423 Elimination of Bacterial Contamination from Onion Seed PMCID: PMC366424 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||