American Phytopathological Society Board & Staff. VIEW ABSTRACT | VIEW ARTICLE
Acknowledgment of Reviewers. Pages 1-3. VIEW ABSTRACT | VIEW ARTICLE
Obituary
Ralph Anthony Ludwig, 1915-1977. James G. Horsfall. Page 7.VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Selection for Tolerance in Organisms Exposed to Sprays of Biocide Mixtures: A Theoretical Model. P. F. Kable, H. Jeffery. Pages 8-12. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Survival of Macrophomina phaseolina in Soil and in Residue of Soybean. G. E. Short, T. D. Wyllie, and P. R. Bristow. Pages 13-17. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Virulence and Aggressiveness of Phakopsora pachyrhizi Isolates Causing Soybean Rust. K. R. Bromfield, J. S. Melching, and C. H. Kingsolver. Pages 17-21. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Pathogenicity of Some Select Soilborne Dematiaceous Hyphomycetes on Germinating Seed of Festuca rubra. James P. Madsen, Clinton F. Hodges. Pages 21-25. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Persistence of Benomyl-Tolerant Strains of Cercospora beticola in the Absence of Benomyl. E. G. Ruppel, A. D. Jenkins, and L. M. Burtch. Pages 25-26. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Interactions of Pythium ultimum with Germinating Resistant or Susceptible Pea Seeds. T. E. Stasz, G. E. Harman. Pages 27-31. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Symptomatology and Formation of Microsclerotia in Weeds Inoculated with Verticillium dahliae from Cotton. William M. Johnson, E. K. Johnson, and L. A. Brinkerhoff. Pages 31-35. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Effect on Host Hypersensitivity of Suppressors Released During the Germination of Phytophthora infestans Cystospores. N. Doke, N. A. Garas, and J. Kuć. Pages 35-39. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Initiation of Induced Nonhost Resistance of Oat Leaves to Rust Infection. T. Tani, Y. Yamashita, and H. Yamamoto. Pages 39-42. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
N-[2-(2-Oxo-1-Imidazolidinyl) Ethyl]-N'-Phenylurea as a Protectant Against Ozone Injury to Laboratory Fumigated Pinto Bean Plants. T. Craig Weidensaul. Pages 42-45. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Effect of Benomyl on Phomopsis juniperovora Infection of Juniperus virginiana. J. D. Otta, D. J. Fiedler, and V. H. Lengkeek. Pages 46-50. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Comparison of Tuberborne and Soilborne Inoculum in the Rhizoctonia Disease of Potato. J. A. Frank, S. S. Leach. Pages 51-53. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Factors Affecting Behavior and Developmental Synchrony of Germinating Oospores of Pythium aphanidermatum. D. M. Ruben, Z. R. Frank, and I. Chet. Pages 54-59. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
The Law of the Minimum and the Relation Between Pathogen, Weather, and Disease. Paul E. Waggoner, W. A. Norvell, and D. J. Royle. Pages 59-64. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Inoculum Density of Sclerotium cepivorum and the Incidence of White Rot of Onion and Garlic. F. J. Crowe, D. H. Hall, A. S. Greathead, and K. G. Baghott. Pages 64-69. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Vertical Distribution of Sclerotia of Sclerotium cepivorum and Host Root Systems Relative to White Rot of Onion and Garlic. F. J. Crowe, D. H. Hall. Pages 70-73. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Soil Temperature and Moisture Effects on Sclerotium Germination and Infection of Onion Seedlings by Sclerotium cepivorum. F. J. Crowe, D. H. Hall. Pages 74-78. VIEW ABSTRACT | VIEW ARTICLE
