American Phytopathological Society Board & Staff. VIEW ABSTRACT | VIEW ARTICLE
George Flippo Gravatt, 1891-1969. Page 599. VIEW ABSTRACT | VIEW ARTICLE
Invitational Papers Presented at the Sixty-First Annual Meeting of The American Phytopathological Society, Spokane, Washington, 21 August 1969 Introductory Remarks. John F. Schafer. Page 600. VIEW ABSTRACT | VIEW ARTICLE
Systems Analysis and the Dynamics of Epidemics. J. C. Zadoks. Pages 600-610. VIEW ABSTRACT | VIEW ARTICLE
Host-Pathogen Dynamics of Tobacco Mosaic Virus on Tomato. Leonard J. Alexander. Pages 611-617. VIEW ABSTRACT | VIEW ARTICLE
Genes for Specific Resistance: Powdery Mildew of Barley. J. G. Moseman. Pages 617-620. VIEW ABSTRACT | VIEW ARTICLE
Relationship of General Resistance: Late Blight of Potato. H. David Thurston. Pages 620-626. VIEW ABSTRACT | VIEW ARTICLE
Fusarium Wilt of Susceptible and Resistant Tomato Isolines: Spore Transport. M. E. Mace, J. A. Veech, and F. Hammerschlag. Pages 627-630. VIEW ABSTRACT | VIEW ARTICLE
Nutrient Content of Artificially Defoliated Branches of Betula papyrifera. H. L. Gross, M. J. Larsen. Pages 631-635. VIEW ABSTRACT | VIEW ARTICLE
An Inhibitor of Tobacco Mosaic Virus Produced by Physarum polycephalum. Dennis E. Mayhew, R. E. Ford. Pages 636-640. VIEW ABSTRACT | VIEW ARTICLE
Pathological Changes in Ultrastructure: Effects of Victorin on Resistant Oat Roots. Harry Wheeler. Pages 641-644. VIEW ABSTRACT | VIEW ARTICLE
Ribonucleic Acids in Spore Germination of Ustilago maydis. F. K. Lin, F. L. Davies, R. K. Tripathi, K. Raghu, and D. Gottlieb. Pages 645-648. VIEW ABSTRACT | VIEW ARTICLE
Infection Structure Differentiation by Wheat Stem Rust Uredospores in Suspension. Larry D. Dunkle, Paul J. Allen. Pages 649-652. VIEW ABSTRACT | VIEW ARTICLE
Ultrastructure of Chrysanthemum Stunt Virus-Infected and Stunt-Free Mistletoe Chrysanthemum. Roger H. Lawson, Suzanne S. Hearon. Pages 653-656. VIEW ABSTRACT | VIEW ARTICLE
Relation of Age, Sex, and Mating of Macrosteles fascifrons to Transmission of Aster Yellows. K. G. Swenson. Pages 657-659. VIEW ABSTRACT | VIEW ARTICLE
Prevalence and Pathogenicity of Fungi Associated with Achenes of Sycamore in the Field and in Storage. Golam A. Fakir, Ronald E. Welty, and Ellis B. Cowling. Pages 660-668. VIEW ABSTRACT | VIEW ARTICLE
Epidemiology and Control of Bean White Mold. J. J. Natti. Pages 669-674. VIEW ABSTRACT | VIEW ARTICLE
Ascochyta tritici on Wheat. A. L. Scharen, J. M. Krupinsky. Pages 675-680. VIEW ABSTRACT | VIEW ARTICLE
Incorporation of Thymidine-3H into Carnation Etched Ring Virus. I. Fujisawa, M. Rubio-Huertos, and C. Matsui. Pages 681-684. VIEW ABSTRACT | VIEW ARTICLE
Induced Resistance to Cytospora in Prunus persica. J. W. Braun, A. W. Helton. Pages 685-687. VIEW ABSTRACT | VIEW ARTICLE
Preservation of Corynebacterium insidiosum in a Sterile Soil Mix Without Loss of Virulence. R. B. Carroll, F. L. Lukezic. Pages 688-690. VIEW ABSTRACT | VIEW ARTICLE
Partial Characterization and Use of a Host-Specific Toxin from Helminthosporium sacchari on Sugarcane. Gary W. Steiner, Ralph S. Byther. Pages 691-695. VIEW ABSTRACT | VIEW ARTICLE
Effects of Tetracycline on the Transmission and Pathogenicity of the Western X Disease Agent in its Insect and Plant Hosts. P. W. Amin, D. D. Jensen. Pages 696-702. VIEW ABSTRACT | VIEW ARTICLE
A Type of Stable Resistance to Blast Disease of Rice. S. H. Ou, F. L. Nuque, T. T. Ebron, and V. A. Awoderu. Pages 703-706. VIEW ABSTRACT | VIEW ARTICLE
A Selective Medium for the Quantitative Determination of Rhizoctonia solani in Soil. Wen- hsiung Ko, Frances K. Hora. Pages 707-710. VIEW ABSTRACT | VIEW ARTICLE
Mode of Entry by Pythium perniciosum into Strawberry Roots. S. Nemec. Pages 711-714. VIEW ABSTRACT | VIEW ARTICLE
Growth of Pseudomonas glycinea on the Surface of Soybean Leaves. T. W. Mew, B. W. Kennedy. Pages 715-716. VIEW ABSTRACT | VIEW ARTICLE
Effects of Ambient Sulfur Dioxide and Ozone on Eastern White Pine in a Rural Environment. Arthur C. Costonis. Pages 717-720. VIEW ABSTRACT | VIEW ARTICLE
Induced Resistance to Cytospora in Bearing Trees of Prunus domestica. A. W. Helton, J. W. Braun. Pages 721-723. VIEW ABSTRACT | VIEW ARTICLE
Interference Microscopy of Onion Epidermal Nuclei in Response to Botrytis allii Infection. F. B. Kulfinski, A. J. Pappelis. Pages 724-727. VIEW ABSTRACT | VIEW ARTICLE
Influence of Temperature on Phymatotrichum Sclerotial Formation and Disease Development. Stuart D. Lyda, Earl Burnett. Pages 728-730. VIEW ABSTRACT | VIEW ARTICLE
Relationships of Molecular Structure of 1,4-Oxathiin Fungicides to Chemotherapeutic Activity Against Rust and Smut Fungi in Grasses. John R. Hardison. Pages 731-735. VIEW ABSTRACT | VIEW ARTICLE
Field and Growth Chamber Approach to Epidemiology of Pseudoperonospora cubensis on Cucumbers. Y. Cohen, J. Rotem. Pages 736-737. VIEW ABSTRACT | VIEW ARTICLE
The Systemic Fungicidal Activity of Triphenyl Tin Acetate Against Cercospora beticola on Sugarbeet. Z. Solel. Pages 738-739. VIEW ABSTRACT | VIEW ARTICLE
Growth Stimulation of Sporobolus poiretii by Aphelenchoides besseyi. Robert B. Marlatt, V. G. Perry. Page 740. VIEW ABSTRACT | VIEW ARTICLE
Wind Dissemination of Waterborne Erwinia amylovora from Pyrus to Pyracantha and Cotoneaster. R. J. Bauske. Pages 741-742. VIEW ABSTRACT | VIEW ARTICLE
Occurrence of Perithecia of Gibberella sp. on Carnation. Paul E. Nelson, Barbara L. White, and T. A. Toussoun. Pages 743-744. VIEW ABSTRACT | VIEW ARTICLE
Effect of Pectin Source and Sugars on Polygalacturonase Production by Ceratocystis ulmi. W. L. Biehn, A. E. Dimond. Pages 745-746. VIEW ABSTRACT | VIEW ARTICLE
Transmission of Helminthosporium maydis Race T by Infected Corn Seed. C. W. Boothroyd. Pages 747-748. VIEW ABSTRACT | VIEW ARTICLE
Transmission of Barley Yellow Dwarf Virus by Different Stages of the Greenbug. B. E. Halstead, C. C. Gill. Pages 749-750. VIEW ABSTRACT | VIEW ARTICLE
Immunoelectrophoretic Comparisons of Three Plant-Parasitic Nematodes. H. A. Scott, R. D. Riggs. Pages 751-752. VIEW ABSTRACT | VIEW ARTICLE
Variation in Transmission of an Isolate of Barley Yellow Dwarf Virus by Rhopalosiphum padi. R. D. Price, Irmgard Muller, and W. F. Rochow. Pages 753-754. VIEW ABSTRACT | VIEW ARTICLE
Longevity of Tobacco Ringspot Virus in Soybean Seed. F. A. Laviolette, K. L. Athow. Pages 755. VIEW ABSTRACT | VIEW ARTICLE
