American Phytopathological Society Board & Staff. VIEW ABSTRACT | VIEW ARTICLE
Obituary
Karl Herman Fernow, 1893-1983. Edward D. Jones, William F. Mai, and Leon J. Tyler. Page 1017. VIEW ABSTRACT | VIEW ARTICLE
Obituary
Abbas Fatehi El-Helaly, 1902-1983. M. K. Abo-El-Dahab. Page 1018. VIEW ABSTRACT | VIEW ARTICLE
Letter to the Editor
The Controlled Experiment in the Scientific Method with Special Emphasis on Biological Control. Ralph Baker, Yigal Elad, and Ilan Chet. Pages 1019-1021. VIEW ABSTRACT | VIEW ARTICLE
Letter to the Editor
The Virulence Associations in Puccinia graminis f. sp. tritici in North America. A. P. Roelfs, J. W. Martens. Page 1022. VIEW ABSTRACT | VIEW ARTICLE
Letter to the Editor
The Association and Dissociation of Genes for Virulence in Wheat Stem Rust. D. R. Knott. Page 1023. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Effect of Host Genotype on Estimating Relative Parasitic Fitness Among Populations of Helminthosporium carbonum Race 3. L. V. Gregory, J. E. Ayers, and R. R. Nelson. Pages 1024-1026. VIEW ABSTRACT | VIEW ARTICLE
Special Topics
Fungitoxicity of Smoke. D. Zagory, J. R. Parmeter, Jr. Pages 1027-1031. VIEW ABSTRACT | VIEW ARTICLE
Techniques
A 24-Hour Deposition Sampler for Spores of Heterobasidion annosum. R. L. Edmonds, R. W. Hinshaw, and K. B. Leslie. Pages 1032-1034. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Effects of Metalaxyl on Peronospora tabacina Infecting Tobacco. R. N. Trigiano, C. G. Van Dyke, and H. W. Spurr, Jr.. Pages 1034-1040. VIEW ABSTRACT | VIEW ARTICLE
Cytology and Histology
Development of Latent Infections on Cranberry Leaves Inoculated with Botryosphaeria vaccinii. G. J. Weidemann, D. M. Boone. Pages 1041-1043. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Increased Take-all of Wheat with Direct Drilling in the Pacific Northwest. Kevin J. Moore, R. James Cook. Pages 1044-1049. VIEW ABSTRACT | VIEW ARTICLE
Postharvest Pathology and Mycotoxins
Fungal Populations in U.S. Farm-Stored Grain and Their Relationship to Moisture, Storage Time, Regions, and Insect Infestation. D. B. Sauer, C. L. Storey, and D. E. Walker. Pages 1050-1053. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Soil Suppressiveness to a Plant Pathogenic Pythium species. Ran Lifshitz, Baruch Sneh, and Ralph Baker. Pages 1054-1061. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Parasitic Specialization of Puccinia hordei in Israel. Y. Anikster. Pages 1061-1064. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Comparison of Different Immunogen Preparations for Serological Identification of Xanthomonas campestris pv. campestris. N. Thaveechai, N. W. Schaad. Pages 1065-1070. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Anthracnose of Stylosanthes capitata: Implications for Future Disease Evaluations of Indigenous Tropical Pasture Legumes. Jillian M. Lenné, D. Thomas, R. P. de Andrade, and Amparo Vargas. Pages 1070-1073. VIEW ABSTRACT | VIEW ARTICLE
Special Topics
Effect of Age, Size, and Weight of Witchweed Seeds on Host/Parasite Relations. Faiz F. Bebawi, Robert E. Eplee, and Rebecca S. Norris. Pages 1074-1078. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Application of Scanning Electron Microscopy to Paraffin-Embedded Plant Tissues to Study Invasive Processes of Plant-Pathogenic Fungi. D. A. Gaudet, E. G. Kokko. Pages 1078-1080. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Comparative Studies on Host Range and Serology of Papaya Ringspot Virus and Watermelon Mosaic Virus 1. S. -D. Yeh, D. Gonsalves, and R. Provvidenti. Pages 1081-1085. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Evaluation of Induced Mutants of Papaya Ringspot Virus for Control by Cross Protection. S. -D. Yeh, D. Gonsalves. Pages 1086-1091. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Influence of the Antagonist Laetisaria arvalis on Infection of Table Beets by Phoma betae. S. B. Martin, G. S. Abawi, and H. C. Hoch. Pages 1092-1096. VIEW ABSTRACT | VIEW ARTICLE
Techniques
An Improved Immunodiffusion Test for the Detection of Intact Cucumber Mosaic Virus in Crude Tobacco Sap. I. B. Ahmad, H. A. Scott. Pages 1097-1100. VIEW ABSTRACT | VIEW ARTICLE
Disease Detection and Losses
Relationship Between Yield Loss and Severity of Early and Late Leafspot Diseases of Peanut. P. A. Backman, M. A. Crawford. Pages 1101-1103. VIEW ABSTRACT | VIEW ARTICLE
Disease Detection and Losses
Effects of Sulfur Dioxide and Nitrogen Dioxide on Vegetative Growth of Soybeans. C. I. Klarer, R. A. Reinert, and J. S. Huang. Pages 1104-1106. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Effects of Isolate Virulence, Plant Age, and Crop Residues on Seedling Blight of Sunflower Caused by Alternaria helianthi. K. K. Jeffrey, P. E. Lipps, and L. J. Herr. Pages 1107-1110. VIEW ABSTRACT | VIEW ARTICLE
Cytology and Histology
Potyvirus Cylindrical Inclusions—Subdivision-IV. J. R. Edwardson, R. G. Christie, and N. J. Ko. Pages 1111-1114. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Chlamydospore Germination of Fusarium oxysporum f. sp. cucumerinum as Affected by Fluorescent and Lytic Bacteria from a Fusarium-Suppressive Soil. Baruch Sneh, Marcella Dupler, Yigel Elad, and Ralph Baker. Pages 1115-1124. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Evaluation of Ergosterol as an Indicator of Infestation of Barley Seed by Drechslera graminea. T. R. Gordon, R. K. Webster. Pages 1125-1127. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Relationships Among Inoculum Density, Microsclerotium Size, and Inoculum Efficiency of Cylindrocladium crotalariae Causing Root Rot on Peanuts. M. C. Black, M. K. Beute. Pages 1128-1132. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Effect of Grid Rotation in a Magnetic Field on Virus Adsorption in Immunosorbent Electron Microscopy. L. W. Stobbs. Pages 1132-1134. VIEW ABSTRACT | VIEW ARTICLE
Annual Meeting Abstracts
Abstracts of the Annual Meeting of the Pacific Division of the APS. Pages 1135-1142. VIEW ABSTRACT | VIEW ARTICLE
