American Phytopathological Society Board & Staff. VIEW ABSTRACT | VIEW ARTICLE
Obituary
J. Ralph Shay, 1918-1980. E. B. Williams and R. L. Powelson. Page 839. VIEW ABSTRACT | VIEW ARTICLE
Letter to the Editor
Estimating Parasitic Fitness: A Reply. J. V. Groth, J. A. Barrett. Pages 840-842. VIEW ABSTRACT | VIEW ARTICLE
Letter to the Editor
Estimating Parasitic Fitness: Epilogue. D. R. MacKenzie. Pages 842-843. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Pathogenicity of Ceratobasidium cornigerum and Related Fungi Representing Five Anastomosis Groups. L. L. Burpee, P. L. Sanders, H. Cole, Jr., and R. T. Sherwood. Pages 843-846. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Decay and Colonization of Gladiolus Corms by the Pine Pitch Canker Fungus. Jane Barrows -Broaddus, L. D. Dwinell. Pages 847-850. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Incidence and Severity Relationships of Secondary Infections of Powdery Mildew on Apple. R. C. Seem, J. D. Gilpatrick. Pages 851-854. VIEW ABSTRACT | VIEW ARTICLE
Genetics
A Comparison of Virulence Phenotypes in Wheat Stem Rust Populations Reproducing Sexually and Asexually. A. P. Roelfs, J. V. Groth. Pages 855-862. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Epidemiology and Control of Citrus Greasy Spot on Grapefruit in Texas. L. W. Timmer, R. J. Reeve, and R. M. Davis. Pages 863-867. VIEW ABSTRACT | VIEW ARTICLE
Genetics
Cultural Variation Within Typhula idahoensis and T. ishikariensis and the Species Concept. G. W. Bruehl, R. Machtmes. Pages 867-871. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Purification and Partial Characterization of Host-Specific Toxins Produced by Periconia circinata. T. J. Wolpert, L. D. Dunkle. Pages 872-876. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Effect of Furfural on the In Vitro Germination of Peronosclerospora sorghi Oospores. R. C. French, C. G. Schmitt. Pages 877-880. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Isolation of Ceratocystis wageneri from Forest Soil with a Selective Medium. B. R. Hicks, F. W. Cobb, Jr., and P. L. Gersper. Pages 880-883. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Identification and Distribution of Fungal Parasites of Heterodera schachtii Eggs in California. Elizabeth A. Nigh, Ivan J. Thomason, and S. D. Van Gundy. Pages 884-889. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Effect of Temperature and Moisture on Parasitization of Heterodera schachtii Eggs by Acremonium strictum and Fusarium oxysporum. Elizabeth A. Nigh, Ivan J. Thomason, and S. D. Van Gundy. Pages 889-891. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Rapid Separation of Sclerotinia minor Sclerotia from Artificially and Naturally Infested Organic Soil. A. A. Abd-Elrazik, J. W. Lorbeer. Pages 892-894. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Selective Toxicity of Isoflavonoid Phytoalexins to Gram-Positive Bacteria. Samuel S. Gnanamanickam, David A. Smith. Pages 894-896. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Genetics of Resistance to Stem Rust in Thirteen Wheats of Diverse Origins. F. J. Gough, O. G. Merkle, and A. P. Roelfs. Pages 897-899. VIEW ABSTRACT | VIEW ARTICLE
Disease Detection and Crop Losses
Leaf Infection and Yield Losses Caused by Brown Spot and Bacterial Blight Diseases of Soybean. D. J. Williams, R. F. Nyvall. Pages 900-902. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Mushroom Brown Blotch: Effects of Chlorinated Water on Disease Intensity and Bacterial Populations in Casing Soil and on Pilei. D. J. Royse, P. J. Wuest. Pages 902-905. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Cultural Practices and the Incidence of Sorghum Downy Mildew in Grain Sorghum. D. M. Tuleen, R. A. Frederiksen, and P. Vudhivanich. Pages 905-908. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Partial Characterization of a Potyvirus Infecting the Milkweed Vine, Morrenia odorata. R. Charudattan, F. W. Zettler, H. A. Cordo, and R. G. Christie. Pages 909-913. VIEW ABSTRACT | VIEW ARTICLE
Special Topics
Ozone and Sulfur Dioxide-Induced Changes in Soybean Growth. R. A. Reinert, D. E. Weber. Pages 914-916. VIEW ABSTRACT | VIEW ARTICLE
Techniques
A Method for Estimating Numbers of Viable Sclerotia of Sclerotium rolfsii in Soil. R. Rodriguez-Kábana, M. K. Beute, and P. A. Backman. Pages 917-919. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Powdery Mildew Development on Soybeans with Adult-Plant Resistance. Julia S. Mignucci, S. M. Lim. Pages 919-921. VIEW ABSTRACT | VIEW ARTICLE
Disease Detection and Losses
Response of Potato Cultivars to Infection by the Potato Spindle Tuber Viroid. M. A. Pfannenstiel, S. A. Slack. Pages 922-926. VIEW ABSTRACT | VIEW ARTICLE
Postharvest Pathology and Mycotoxins
Distribution of Aspergillus flavus and Other Fungi in Several Almond-Growing Areas of California. Steven L. Purcell, Douglas J. Phillips, and Bruce E. Mackey. Pages 926-929. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Effects of Fertilizers on Slow Rusting in Wheat. Roy D. Wilcoxson. Pages 930-932. VIEW ABSTRACT | VIEW ARTICLE
