This journal provides immediate access to some articles. Volume 49(2); February 1972 Articles Potassium Deficiency-induced Changes in Stomatal Behavior, Leaf Water Potentials, and Root System Permeability in Beta vulgaris L. PMCID: PMC365909 Phytochrome Action on the Timing of Cell Division in Adiantum Gametophytes PMCID: PMC365910 Regulation of Sulfate Uptake by Excised Barley Roots in the Presence of Selenate PMCID: PMC365911 Malate Dehydrogenase Isoenzymes from Cotton Leaves: Molecular Weights PMCID: PMC365912 A Rapid Effect of Kinetin on Rehydration of Tobacco Leaf Tissue PMCID: PMC365913 Interactions of Light and a Temperature Shift on Seed Germination PMCID: PMC365914 Promotion of Crown-Gall Tumor Growth by Lysopine, Octopine, Nopaline, and Carnosine PMCID: PMC365915 Influence of Ammonium and Nitrate Nutrition on Enzymatic Activity in Soybean and Sunflower PMCID: PMC365916 Influence of Ammonium and Nitrate Nutrition on the Pyridine and Adenine Nucleotides of Soybean and Sunflower PMCID: PMC365917 Canopy and Seasonal Profiles of Nitrate Reductase in Soybeans (Glycine max L. Merr.) PMCID: PMC365918 Cytokinins in Seedling Roots of Pea PMCID: PMC365919 Artifacts in the Embedment of Water-soluble Compounds for Light Microscopy PMCID: PMC365920 The Retention of Water-soluble Compounds during Freeze-Substitution and Microautoradiography PMCID: PMC365921 Uptake and Metabolism of 2,2-bis-(p-Chlorophenyl-1,1,1-trichloroethane (DDT) by Marine Phytoplankton and Its Effects on Growth and Chloroplast Electron Transport PMCID: PMC365922 Membrane Transport of Sugars in Cell Suspensions of Sugarcane: I. Evidence for Sites and Specificity PMCID: PMC365923 Increased Ethylene Production during Clinostat Experiments May Cause Leaf Epinasty PMCID: PMC365924 Characteristics of the Process of Enzyme Release from Secretory Plant Cells PMCID: PMC365925 Flowering and Growth Response of Peanut Plants (Arachis hypogaea L. var. Starr) at Two Levels of Relative Humidity PMCID: PMC365926 Alternative Fruiting Pathways in Phycomyces PMCID: PMC365927 Movement of 14C-Labeled Assimilates into Kernels of Zea mays L: I. Pattern and Rate of Sugar Movement PMCID: PMC365928 Movement of 14C-Labeled Assimilates into Kernels of Zea mays L: II. Invertase Activity of the Pedicel and Placento-Chalazal Tissues PMCID: PMC365929 Subcellular Localization of Zinc and Calcium in Bean (Phaseolus vulgaris L.) Tissues PMCID: PMC365930 Photocontrol of Anthocyanin Synthesis: I. Action of Short, Prolonged, and Intermittent Irradiations on the Formation of Anthocyanins in Cabbage, Mustard, and Turnip Seedlings PMCID: PMC365931 Photorespiratory Phenomena in Maize: Oxygen Uptake, Isotope Discrimination, and Carbon Dioxide Efflux PMCID: PMC365932 An Ascorbate-induced Absorbance Change in Chloroplasts from Violaxanthin De-epoxidation PMCID: PMC365933 Saturation Kinetics of the Velocity of Stomatal Closing in Response to CO2 PMCID: PMC365934 Action Spectrum of the Photoinduced Sexual Stage in the Fungus Nectria haematococca Berk. and Br. var cucurbitae (Snyder and Hansen) Dingley PMCID: PMC365935 Photosynthetic Activities of the Halophilic Alga Dunaliella parva PMCID: PMC365936 Is Nicotinamide Adenine Dinucleotide Phosphate an Obligatory Intermediate in Photosynthesis? PMCID: PMC365937 The Problem of Reduced Nicotinamide Adenine Dinucleotide Oxidation in Glyoxysomes PMCID: PMC365938 Effects of Ethylene on Potato Tuber Respiration PMCID: PMC365939 Salt Responses of Enzymes from Species Differing in Salt Tolerance PMCID: PMC365940 Salt Responses of Carboxylation Enzymes from Species Differing in Salt Tolerance PMCID: PMC365941 Cytochrome Oxidase Activity in Cell-free Preparations from Blue-Green Algae PMCID: PMC365942 Photophosphorylation by Mesophyll and Bundle Sheath Chloroplasts of C4 Plants PMCID: PMC365943 The Isolation of Proplastids from Roots of Vicia faba PMCID: PMC365944 Microinjection of Phycomyces: Selection of a Strain for Possible Biological Assay of Photoreceptor Pigment PMCID: PMC365945 No Stomatal Response to Ethylene PMCID: PMC365946 Solubility of β-Glucosidase in Homogenates of Sweetclover Leaves and Bean Hypocotyls PMCID: PMC365947 Dark Germination and Seedling Growth in Monocots and Dicots of Different Photosynthetic Efficiencies in 2% and 20.9% O2 PMCID: PMC365948 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||