ARTICLES:

Jack Myers

A STUDY OF THE PIGMENTS PRODUCED IN DARKNESS BY CERTAIN GREEN ALGAE
Plant Physiol. 1940 15: 575-588. doi:10.1104/pp.15.4.575 [PDF]  

J. H. Stoeckeler and Einar Aamodt

USE OF TENSIOMETERS IN REGULATING WATERING IN FOREST NURSERIES
Plant Physiol. 1940 15: 589-607. doi:10.1104/pp.15.4.589 [PDF]  

R. B. Withrow and Alice P. Withrow

THE EFFECT OF VARIOUS WAVEBANDS OF SUPPLEMENTARY RADIATION ON THE PHOTOPERIODIC RESPONSE OF CERTAIN PLANTS
Plant Physiol. 1940 15: 609-624. doi:10.1104/pp.15.4.609 [PDF]  

Kathryn Staley

EFFECTS OF ENVIRONMENTAL FACTORS ON OXIDIZING ENZYMES OF ROSE MALLOW SEEDS
Plant Physiol. 1940 15: 625-644. doi:10.1104/pp.15.4.625 [PDF]  

Henry T. Northen

STUDIES ON THE PROTOPLASMIC NATURE OF STIMULATION AND ANESTHESIA. II
Plant Physiol. 1940 15: 645-660. doi:10.1104/pp.15.4.645 [PDF]  

V. G. Sprague and L. F. Graber

PHYSIOLOGICAL FACTORS OPERATIVE IN ICE-SHEET INJURY OF ALFALFA
Plant Physiol. 1940 15: 661-673. doi:10.1104/pp.15.4.661 [PDF]  

M. A. Joslyn and A. Sedky

THE RELATIVE RATES OF DESTRUCTION OF PECTIN IN MACERATES OF VARIOUS CITRUS FRUITS
Plant Physiol. 1940 15: 675-687. doi:10.1104/pp.15.4.675 [PDF]  

Harry F. Clements

MOVEMENT OF ORGANIC SOLUTES IN THE SAUSAGE TREE KIGELIA AFRICANA
Plant Physiol. 1940 15: 689-700. doi:10.1104/pp.15.4.689 [PDF]  

Frank S. Schlenker

DETERMINATION OF AMMONIA, GLUTAMINE, AND ASPARAGINE AMIDE NITROGEN IN PLANT JUICE
Plant Physiol. 1940 15: 701-709. doi:10.1104/pp.15.4.701 [PDF]  

Winston W. Jones and Hisashi Kubota

SOME CHEMICAL AND RESPIRATIONAL CHANGES IN THE PAPAYA FRUIT DURING RIPENING, AND THE EFFECTS OF COLD STORAGE ON THESE CHANGES
Plant Physiol. 1940 15: 711-717. doi:10.1104/pp.15.4.711 [PDF]  

Sam G. Wildman and Elmer Hansen

A SEMI-MICRO METHOD FOR THE DETERMINATION OF REDUCING SUGARS
Plant Physiol. 1940 15: 719-725. doi:10.1104/pp.15.4.719 [PDF]  

V. G. Heller, R. H. Hageman, and E. L. Hartman

SAND CULTURE STUDIES OF THE USE OF SALINE AND ALKALINE WATERS IN GREENHOUSES
Plant Physiol. 1940 15: 727-733. doi:10.1104/pp.15.4.727 [PDF]  

Norman Ashwell Clark and Elmer E. Frahm

INFLUENCE OF AUXINS ON REPRODUCTION OF LEMNA MAJOR
Plant Physiol. 1940 15: 735-741. doi:10.1104/pp.15.4.735 [PDF]  

Paul J. Kramer and T. S. Coile

AN ESTIMATION OF THE VOLUME OF WATER MADE AVAILABLE BY ROOT EXTENSION
Plant Physiol. 1940 15: 743-747. doi:10.1104/pp.15.4.743 [PDF]  

James E. Webster and Howard Mitchell

DETERMINATION OF THE NITROGEN FRACTIONS IN ATLAS AND MILO SORGHUM PLANTS
Plant Physiol. 1940 15: 749-753. doi:10.1104/pp.15.4.749 [PDF]  

Barney Barnett Cohen

SOME EFFECTS OF STANNOUS SULPHATE AND STANNIC CHLORIDE ON SEVERAL HERBACEOUS PLANTS
Plant Physiol. 1940 15: 755-760. doi:10.1104/pp.15.4.755 [PDF]  

J. D. Sayre and V. H. Morris

THE LITHIUM METHOD OF MEASURING THE EXTENT OF CORN ROOT SYSTEMS
Plant Physiol. 1940 15: 761-764. doi:10.1104/pp.15.4.761 [PDF]  

BRIEF PAPERS:

H. L. Cochran and L. C. Olson

MONTHLY ABSORPTION OF NUTRIENTS FROM THE SOIL BY THE PERFECTION PIMIENTO PLANT
Plant Physiol. 1940 15: 765-766. doi:10.1104/pp.15.4.765 [PDF]  

NOTES:

NOTES
Plant Physiol. 1940 15: 767-772. doi:10.1104/pp.15.4.767 [PDF]  

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