This journal provides immediate access to some articles. Volume 57(4); April 1976 Articles Mesophyll Resistance and Carboxylase Activity: A Comparison under Water Stress Conditions PMCID: PMC542052 Swelling and Contraction of Mitochondria from Cold-hardened and Nonhardened Wheat and Rye Seedlings PMCID: PMC542053 Seasonal Variation in the Hormone Content of Willow: I. Changes in Abscisic Acid Content and Cytokinin Activity in the Xylem Sap PMCID: PMC542054 Effects of Sulfur on the Photosynthesis of Intact Leaves and Isolated Chloroplasts of Sugar Beets PMCID: PMC542055 Studies on the Carbon Dioxide Promotion and Ethylene Inhibition of Tuberization in Potato Explants Cultured in Vitro PMCID: PMC542056 Effect of Powdery Mildew Infection on Photosynthesis by Leaves and Chloroplasts of Sugar Beets PMCID: PMC542057 Endogenous Cytokinins in Maturing Manzanillo Olive Fruits PMCID: PMC542058 Additive and Synergistic Growth-inhibiting Properties of the Canaline-Urea Cycle Amino Acids PMCID: PMC542059 Synchronous Growth and Plastid Replication in the Naturally Wall-less Alga Olisthodiscus luteus PMCID: PMC542060 Pigment Changes Associated with Application of Ethephon ((2-Chloroethyl)phosphonic Acid) to Fig (Ficus carica L.) Fruits PMCID: PMC542061 Membrane Lipid Metabolism in Germinating Castor Bean Endosperm PMCID: PMC542062 Polyribosomes from Peas: VI. Auxin-stimulated Recruitment of Free Monosomes into Membrane-bound Polysomes PMCID: PMC542063 In Vivo Nitrate Reduction in Relation to Nitrate Uptake, Nitrate Content, and in Vitro Nitrate Reductase Activity in Intact Barley Seedlings PMCID: PMC542064 Relationship between Ethylene Evolution and Senescence in Morning-Glory Flower Tissue PMCID: PMC542065 Methionine Metabolism and Ethylene Biosynthesis in Senescent Flower Tissue of Morning-Glory PMCID: PMC542066 Biosynthesis of Wound Ethylene in Morning-Glory Flower Tissue PMCID: PMC542067 Relation between Glutamine Synthetase and Nitrogenase Activities in the Symbiotic Association between Rhizobium japonicum and Glycine max PMCID: PMC542068 Aging Progression Involving Dwarfism and Its Acceleration by Red Light in Bean Hypocotyls PMCID: PMC542069 Interrelations between Environmental Factors and Freezing Resistance of Cabbage Leaves PMCID: PMC542070 Involvement of Phospholipids in Triglyceride Biosynthesis by Developing Soybean Cotyledons PMCID: PMC542071 Influence of Leaf Starch Concentration on CO2 Assimilation in Soybean PMCID: PMC542072 Plant Desiccation and Protein Synthesis: III. Stability of Cytoplasmic RNA during Dehydration, and Its Synthesis on Rehydration of the Moss Tortula ruralis PMCID: PMC542073 Induction of Deoxyribonucleic Acid Synthesis in Potato Tuber Slices: Role of Protein Synthesis PMCID: PMC542074 Comparative Studies on the Induction and Inactivation of Nitrate Reductase in Corn Roots and Leaves PMCID: PMC542075 Evidence for a Block between Plastoquinone and Cytochrome f in a Photosynthetic Mutant of Lemna with Abnormal Flowering Behavior PMCID: PMC542076 Isotope Discrimination by Ribulose 1,5-Diphosphate Carboxylase: No Effect of Temperature or HCO3− Concentration PMCID: PMC542077 Trypsin-induced ATPase Activity in Potato Mitochondria PMCID: PMC542078 Development of Ribulose 1,5-Diphosphate Carboxylase in Nonphotosynthetic Endosperms of Germinating Castor Beans PMCID: PMC542079 Events Surrounding the Early Development of Euglena Chloroplasts: VII. Photocontrol of the Source Of Reducing Power for Chloramphenicol Reduction by the Ferredoxin-NADP Reductase System PMCID: PMC542080 Identification of Cytokinins of Root Nodules of the Garden Pea, Pisum sativum L. PMCID: PMC542081 Effect of Removal of the Root Tip on the Development of Enhanced Rb+ Absorption by Corn Roots PMCID: PMC542082 Effects of 35 C Heat Treatments on Photosensitive Grand Rapids Lettuce Seed Germination PMCID: PMC542083 Aggregate Formation from Short Fragments of Plant DNA PMCID: PMC542084 Glutamine Synthesis and Its Relation to Photophosphorylation in Pisum Chloroplasts: Effects of 3-(3,4-Dichlorophenyl)-1,1-dimethylurea and Antimycin A PMCID: PMC542085 Mercury-induced Ethylene Formation and Abscission in Citrus and Coleus Explants PMCID: PMC542086 Sequence of Reactivation of Ribonucleic Acid Synthesis during Early Germination of the Maize Embryo PMCID: PMC542087 Effects of Ancymidol (a Growth Retardant) and Triarimol (a Fungicide) on the Growth, Sterols, and Gibberellins of Phaseolus vulgaris (L.) PMCID: PMC542088 Aliphatic Chains of Esterified Lipids in Isolated Eyespots of Euglena gracilis var. bacillaris PMCID: PMC542089 Autoinhibition of Ethylene Formation in Nonripening Stages of the Fruit of Sycomore Fig (Ficus sycomorus L.) PMCID: PMC542090 Synergetic Cultures of Glycine max Root Cells and Rhizobia Separated by Membrane Filters PMCID: PMC542091 Leaf Cell Water and Enzyme Activity PMCID: PMC542092 Simultaneous Measurement of Oxygen and Hydrogen Exchange from the Blue-Green Alga Anabaena PMCID: PMC542093 Specificity of the Antheridogen from Ceratopteris thalictroides (L.) Brongn. PMCID: PMC542094 Correlative Aspects of Imposition of Dormancy in Caryopses of Aegilops kotschyi PMCID: PMC542095 Journal Matter Original table of contents page | ||