This journal provides immediate access to some articles. Volume 27(4); October 1952 Articles EUGENE CURTIS AUCHTER 1889-1952 PMCID: PMC547976 ENZYMATIC ACTIVITIES AS INDICATIONS OF COPPER AND IRON DEFICIENCIES IN PLANTS PMCID: PMC547977 LONGITUDINAL GRADIENTS OF P32 ABSORPTION IN ROOTS PMCID: PMC547978 THE DISTRIBUTION IN HIGHER PLANTS OF TRIPHOSPHOPYRIDINE NUCLEOTIDE-LINKED ENZYME SYSTEMS CAPABLE OF REDUCING GLUTATHIONE PMCID: PMC547979 EFFECT OF AGE OF LEAVES UPON THE RATE OF PHOTOSYNTHESIS IN SOME CONIFERS PMCID: PMC547980 THE RELATIVE RATES OF PHOTOSYNTHETIC ASSIMILATION OF ISOTOPIC FORMS OF CARBON DIOXIDE PMCID: PMC547981 TEMPERATURE OF POTATO AND TOMATO LEAVES PMCID: PMC547982 MALONIC ACID AS AN INHIBITOR OF MAIZE ROOT RESPIRATION PMCID: PMC547983 ASCORBIC ACID FORMATION IN POTATO TUBER SLICES PMCID: PMC547984 PREMATURE BLOSSOMING: EFFECTS OF VERNALIZATION, SEEDLING AGE AND ENVIRONMENT ON SUBSEQUENT GROWTH AND FLOWERING OF TRANSPLANTED TOBACCO PMCID: PMC547985 COMPOSITIONAL AND PHYSIOLOGICAL CHANGES ASSOCIATED WITH THE CHEMICAL DEFOLIATION OF COTTON PMCID: PMC547986 SOME RELATIONSHIPS BETWEEN XEROPHYTISM AND THE CONTENT OF RESIN, NORDIHYDROGUAIARETIC ACID AND PROTEIN OF LARREA DIVARICATA CAV PMCID: PMC547987 PHYSIOLOGICAL CHANGES AND FREEZING INJURY IN MATURING MAIZE PMCID: PMC547988 A RELATIONSHIP BETWEEN PHOTOPERIODISM AND RESPIRATION PMCID: PMC547989 SOME EFFECTS OF ARTIFICIAL DRYING OF CORN GRAIN PMCID: PMC547990 EFFECT OF 2,4-DICHLOROPHENOXYACETIC ACID ON MERISTEMATIC TISSUES OF CORN PMCID: PMC547991 Brief Papers: SOME EFFECTS OF ZINC ON SEVERAL SPECIES OF GOSSYPIUM L PMCID: PMC547992 THE EFFECT OF DIFFERENT TISSUE PRETREATMENTS ON THE PHYSICO-CHEMICAL PROPERTIES OF EXPRESSED PLANT SAP PMCID: PMC547993 THE USE OF CHROMOTROPIC ACID FOR THE QUANTITATIVE DETERMINATION OF 2,4-DICHLOROPHENOXYACETIC ACID PMCID: PMC547994 EXTRACELLULAR PHOTOSYNTHETIC REACTIONS. II. IDENTIFICATION OF RADIOACTIVE MALATE PMCID: PMC547995 DIORTHO SUBSTITUTED PHENOXYACETIC ACIDS AS ANTIAUXINS PMCID: PMC547996 Note NOTES PMCID: PMC547997 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||