This journal provides immediate access to some articles. Volume 39(1); January 1964 Articles Metabolism of Indoleacetic Acid in Rust Diseases. II. Metabolites of Carboxyl-labeled Indoleacetic Acid in Tissues PMCID: PMC550017 Emerson Enhancement Effect in Chloroplast Reactions PMCID: PMC550018 Effects of Defoliation, Deradication, and Darkening the Blade upon Translocation of C14 in Sugarcane PMCID: PMC550019 Paper Chromatographic Study of Diffusible Auxin PMCID: PMC550020 Penetration of Ions through Isolated Cuticles PMCID: PMC550021 Light-Dependent Conversions of Endogenous α-Tocopherylquinone and Plastoquinone-D in Spinacia Oleracea Chloroplasts PMCID: PMC550022 The Requirement for Organic Nitrogen in Zea mays Embryos PMCID: PMC550023 Chlorophyllase and Formation of an Atypical Chlorophyllide in Marine Algae PMCID: PMC550024 Effect of Light on Sodium Influx, Membrane Potential, and Protoplasmic Streaming in Nitella PMCID: PMC550025 Acetolactate and Acetoin Synthesis in Ripening Peas PMCID: PMC550026 Exocellular Enzymes of Corn Roots PMCID: PMC550027 Spectrophotometric Method for Determination of Lipoxidase Activity PMCID: PMC550028 Chemotropic Response of the Pollen of Antirrhinum majus to Calcium PMCID: PMC550029 Absorption of Sugars by Plant Tissues PMCID: PMC550030 Modification and Use of an Electric Hygrometer for Estimating Relative Stomatal Apertures PMCID: PMC550031 Use of Pectic Enzymes in a Study of the Nature of Intercellular Cement of Tobacco Leaf Cells PMCID: PMC550032 Beta Ray Gauging Technique for Measuring Leaf Water Content Changes and Moisture Status of Plants PMCID: PMC550033 Uptake of Indole-3-acetic Acid and Indole-3-acetonitrile by Avena Coleoptile Sections PMCID: PMC550034 Uptake and Transport of Radiochloride and Tritiated Water by Various Zones of Onion Roots of Different Chloride Status PMCID: PMC550035 Chloride Uptake and Transport of Different Salt Status PMCID: PMC550036 Participation of Sulfhydryl Groups in Fatty Acid Synthesis by Chloroplast Preparations PMCID: PMC550037 Effects of Ethylene on Cantaloupe Fruits Harvested at Various Ages PMCID: PMC550038 Effects of Wounding on Respiration and Ethylene Production by Cantaloupe Fruit Tissue PMCID: PMC550039 News & Notes PMCID: PMC550040 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||