This journal provides immediate access to some articles. Volume 43(1); January 1968 Articles Rapid Starch Synthesis Associated With Increased Respiration in Germinating Lily Pollen PMCID: PMC396001 Regulation of Cold Hardiness in Acer negundo PMCID: PMC396002 Selenium Absorption by Excised Astragalus Roots PMCID: PMC396003 Effect of the Specific Toxin in Helminthosporium victoriae on Host Cell Membranes PMCID: PMC396004 Promotion of Growth and Invertase Activity by Gibberellic Acid in Developing Avena Internodes PMCID: PMC396005 Far-red Sensitive Dark Processes Essential for Light- and Gibberellin-induced Germination of Lettuce Seed PMCID: PMC396006 The Composition of Soluble Nucleotides in the Developing Wheat Grain PMCID: PMC396007 Partial Chemical Characterization of Corn Root Cell Walls PMCID: PMC396008 Lengthening Versus Shortening Dark Periods and Blossoming in Sugar Cane as Affected by Temperature PMCID: PMC396009 Phosphorylation in Crested Wheatgrass Seeds at Low Water Potentials PMCID: PMC396010 Protochlorophyllide Resynthesis in Dark-Grown Bean Leaves PMCID: PMC396011 Studies on Auxin Protectors. IV. The Effect of Manganese on Auxin Protector-I of the Japanese Morning Glory PMCID: PMC396012 Microbiology of Saturated Salt Solutions and Other Harsh Environments. IV. New Observations of Ribonucleotide-Induced Recovery of KCl-Habituated Penicillium notatum PMCID: PMC396013 Mediation of a Plant Response to Malformin by Ethylene PMCID: PMC396014 Tryptophan Biosynthesis in Cell Cultures of Nicotiana tabacum PMCID: PMC396015 Stable Concentrations of Phytochrome in Pisum Under Continuous Illumination with Red Light PMCID: PMC396016 Phytochemical Studies on the Tobacco Alkaloids. XII. Identification of γ-Methylaminobutyraldehyde and its Precursor Role in Nicotine Biosynthesis PMCID: PMC396017 Respiration of Oranges and Grapefruits Harvested at Different Stages of Development PMCID: PMC396018 Phosphorylases I and II of Maize Endosperm PMCID: PMC396019 Native Growth Inhibitors from Citrus Shoots. Partition, Bioassay, and Characterization PMCID: PMC396020 Phytochrome and Seed Germination. IV. Action of Light Sources With Different Spectral Energy Distribution on the Germination of Tomato Seeds PMCID: PMC396021 Swelling and Contraction of Phaseolus Hypocotyl Mitochondria PMCID: PMC396022 Photosynthetic 14CO2 Fixation by Green Cymbidium (Orchidaceae) Flowers PMCID: PMC396023 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||