This journal provides immediate access to some articles. Volume 69(2); February 1982 Articles Photoperiodic Control of Gibberellin Metabolism in Spinach PMCID: PMC426195 Osmoregulation in the Avena Coleoptile : CONTROL OF SOLUTE UPTAKE IN PEELED SECTIONS PMCID: PMC426196 Senescence and the Fluidity of Rose Petal Membranes : RELATIONSHIP TO PHOSPHOLIPID METABOLISM PMCID: PMC426197 Intracellular Localization of Enzymes of Carbon Metabolism in Mesembryanthemum crystallinum Exhibiting C3 Photosynthetic Characteristics or Performing Crassulacean Acid Metabolism PMCID: PMC426198 [15N]NMR Determination of Asparagine and Glutamine Nitrogen Utilization for Synthesis of Storage Protein in Developing Cotyledons of Soybean in Culture PMCID: PMC426199 15N- and [13C]NMR Determination of Utilization of Glycine for Synthesis of Storage Protein in the Presence of Glutamine in Developing Cotyledons of Soybean PMCID: PMC426200 Enhancement of Wound-Induced Ethylene Synthesis by Ethylene in Preclimacteric Cantaloupe PMCID: PMC426201 Effect of IAA on Growth and Soluble Cell Wall Polysaccharides Centrifuged from Pine Hypocotyl Sections PMCID: PMC426202 Effect of Atmospheric CO2 Enrichment on Growth, Nonstructural Carbohydrate Content, and Root Nodule Activity in Soybean PMCID: PMC426203 Auxin-Induced Changes in the Population of Translatable Messenger RNA in Elongating Sections of Soybean Hypocotyl PMCID: PMC426204 Auxin- and Ethylene-Induced Changes in the Population of Translatable Messenger RNA in Basal Sections and Intact Soybean Hypocotyl PMCID: PMC426205 Photosynthetic Response of Seagrasses to Ultraviolet-A Radiation and the Influence of Visible Light Intensity PMCID: PMC426206 Sources of Ammonium in Oat Leaves Treated with Tabtoxin or Methionine Sulfoximine PMCID: PMC426207 Fruit Age and Changes in Abscisic Acid Content, Ethylene Production, and Abscission Rate of Cotton Fruits PMCID: PMC426208 Restricted Nitrate Influx and Reduction in Corn Seedlings Exposed to Ammonium PMCID: PMC426209 Immunopurification and Initial Characterization of Dicotyledonous Phytochrome PMCID: PMC426210 Callose Induction in Cowpea by Uridine Diphosphate Glucose and Calcium Phosphate-Boric Acid Treatments PMCID: PMC426211 Effect of Photoinhibitory Treatments on the Activity of Light-Activated Enzymes of C3 and C4 Photosynthetic Carbon Metabolism PMCID: PMC426212 Effects of Kaempferol on the Oxidative Properties of Intact Plant Mitochondria PMCID: PMC426213 A Comparative Evaluation of the Level of Concanavalin A Binding by Enriched Plasma Membrane Fractions From Developing Soybean Roots PMCID: PMC426214 Inhibition of Ethylene Biosynthesis by Aminoethoxyvinylglycine and by Polyamines Shunts Label from 3,4-[14C]Methionine into Spermidine in Aged Orange Peel Discs PMCID: PMC426215 Hormonal Control of Tobacco Crown Gall Tumor Morphology PMCID: PMC426216 Biosynthesis, Deposition, and Partial Characterization of Potato Suberin Phenolics PMCID: PMC426217 Accumulation of β-Carboline Alkaloids and Serotonin by Cell Cultures of Peganum harmala L: I. CORRELATION BETWEEN PLANTS AND CELL CULTURES AND INFLUENCE OF MEDIUM CONSTITUENTS PMCID: PMC426218 Relation of Polyamine Synthesis and Titer to Aging and Senescence in Oat Leaves PMCID: PMC426219 Relation of Polyamine Biosynthesis to the Initiation of Sprouting in Potato Tubers PMCID: PMC426220 Water Stress Effects on Nitrogen Assimilation and Growth of Trifolium subterraneum L. Using Dinitrogen or Ammonium Nitrate PMCID: PMC426221 Separation of Mg-Protoporphyrin IX and Mg-Protoporphyrin IX Monomethyl Ester Synthesized de novo by Developing Cucumber Etioplasts PMCID: PMC426222 Chilling-Induced Ethylene Production in Cucumbers (Cucumis sativus L.) PMCID: PMC426223 Temperature Effects on Seed Imbibition and Leakage Mediated by Viscosity and Membranes PMCID: PMC426224 Effect of Changes in Shoot Carbon-Exchange Rate on Soybean Root Nodule Activity PMCID: PMC426225 Rapid Correlation between the Leaves of Spinach and the Photocontrol of a Peroxidase Activity PMCID: PMC426226 Chloroplast Respiration : A MEANS OF SUPPLYING OXIDIZED PYRIDINE NUCLEOTIDE FOR DARK CHLOROPLASTIC METABOLISM PMCID: PMC426227 Adenylate Levels, Energy Charge, and Phosphorylation Potential during Dark-Light and Light-Dark Transition in Chloroplasts, Mitochondria, and Cytosol of Mesophyll Protoplasts from Avena sativa L. PMCID: PMC426228 A Malic Acid Permease in Isolated Vacuoles of a Crassulacean Acid Metabolism Plant PMCID: PMC426229 Simultaneous Measurement of NH4+ Absorption and N2 Fixation by Glycine max L. : RESPONSE TO TEMPERATURE, pH, AND EXTERNAL NITROGEN CONCENTRATION PMCID: PMC426230 l-Ascorbic Acid Biosynthesis in Ochromonas danica PMCID: PMC426231 Influence of Varying CO2 and Orthophosphate Concentrations on Rates of Photosynthesis, and Synthesis of Glycolate and Dihydroxyacetone Phosphate by Wheat Chloroplasts PMCID: PMC426232 Studies on a Factor in Sweet Potato Root Which Agglutinates Spores of Ceratocystis fimbriata, Black Rot Fungus PMCID: PMC426233 Nodule and Leaf Nitrate Reductases and Nitrogen Fixation in Medicago sativa L. under Water Stress PMCID: PMC426234 Determination of NAD Malic Enzyme in Leaves of C4 Plants : EFFECTS OF MALATE DEHYDROGENASE AND OTHER FACTORS PMCID: PMC426235 Water Potentials Induced by Growth in Soybean Hypocotyls PMCID: PMC426236 Effect of Sodium Chloride on Fruit Ripening of the Nonripening Tomato Mutants nor and rin PMCID: PMC426237 Mechanism of Action of the Diphenyl Ether Herbicide Acifluorfen-Methyl in Excised Cucumber (Cucumis sativus L.) Cotyledons : LIGHT ACTIVATION AND THE SUBSEQUENT FORMATION OF LIPOPHILIC FREE RADICALS PMCID: PMC426238 Light and Dark Controls of Nitrate Reduction in Wheat (Triticum aestivum L.) Protoplasts PMCID: PMC426239 Characteristics of Cultured Tomato Cells after Prolonged Exposure to Medium Containing Polyethylene Glycol PMCID: PMC426240 Kaempferol 3-O-Galactoside, 7-O-Rhamnoside is the Major Green Fluorescing Compound in the Epidermis of Vicia faba PMCID: PMC426241 An Accurate Temperature Correction Model for Thermocouple Hygrometers PMCID: PMC426242 Alteration in the Acyl Lipid Composition of Thylakoids Induced by Aging and Its Effect on Thylakoid Structure PMCID: PMC426243 Partial Purification of Proteinase Inhibitors from Wounded Tomato Plants PMCID: PMC426244 Short Communications Relationship between Poly(Adenosine 5′-diphosphate-ribose) Synthesis and Transcriptional Activity in Wheat Embryo Chromatin PMCID: PMC426245 Effects of Centrifugal Force and Centrifugation Time on the Sedimentation of Plant Organelles PMCID: PMC426246 Protochlorophyll(ide) in a Blue-Green Alga PMCID: PMC426247 Correction Correction PMCID: PMC426248 Corrects: . 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