Letter to the Editor
Races, Pathogenicity Phenotypes, and Type Cultures of Plant Pathogens. L. E. Browder, F. L. Lyon, and M. G. Eversmeyer. Pages 581-583. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Hyperparasitization of Vesicular-Arbuscular Mycorrhizal Fungi. B. A. Daniels, J. A. Menge. Pages 584-588. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Gibberellin A4 Production by Sphaceloma manihoticola, Causal Agent of Cassava Superelongation Disease. R. S. Zeigler, L. E. Powell, and H. D. Thurston. Pages 589-593. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Acacia koa Seedling Wilt Caused by Fusarium oxysporum f. sp. koae, f. sp. nov.. Donald E. Gardner. Pages 594-597. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Effect of Metalaxyl, an Acylalanine Fungicide, on Developmental Stages of Phytophthora infestans. R. I. Bruck, W. E. Fry, and A. E. Apple. Pages 597-601. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
The Spread of a Powdery Mildew of Peach. P. F. Kable, P. M. Fried, and D. R. MacKenzie. Pages 601-604. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Effect of Puccinia coronata on Straw Yield and Harvest Index of Oats. M. D. Simons. Pages 604-607. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Effect of Temperature and Moisture on Tenuazonic Acid Production by Alternaria tenuissima. A. B. Young, N. D. Davis, and U. L. Diener. Pages 607-609. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Additional Hosts and an Efficient Purification Procedure for Four Viroids. C. L. Niblett, Elizabeth Dickson, R. K. Horst, and C. P. Romaine. Pages 610-615. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Seed Mycoflora of Soybeans Relative to Fungal Interactions, Seedling Emergence, and Carry Over of Pathogens to Subsequent Crops. D. C. McGee, C. L. Brandt, and J. S. Burris. Pages 615-617. VIEW ABSTRACT | VIEW ARTICLE
Cytology and Histology
Colonization of Resistant and Susceptible Oaks by Ceratocystis fagacearum. W. R. Jacobi, W. L. MacDonald. Pages 618-623. VIEW ABSTRACT | VIEW ARTICLE
Cytology and Histology
Postpenetration Phenomena in Wheat Cultivars with Low Receptivity to Infection by Puccinia graminis f. sp. tritici. Dereje Ashagari, J. B. Rowell. Pages 624-627. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Interaction of Sequential Leaf Senescence of Poa pratensis and Pathogenesis by Drechslera sorokiniana as Influenced by Postemergent Herbicides. Clinton F. Hodges. Pages 628-630. VIEW ABSTRACT | VIEW ARTICLE
Vector Relations
Transmission of Two Purified Carlaviruses by the Pea Aphid. Kenneth A. Weber, Richard O. Hampton. Pages 631-633. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Greenhouse Evaluation of the Adult Plant Resistance of Sr2 to Wheat Stem Rust. S. D. Sunderwirth, A. P. Roelfs. Pages 634-637. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Transmission of Xanthomonas phaseoli in Seed of Resistant and Susceptible Phaseolus Genotypes. C. R. Cafati, A. W. Saettler. Pages 638-640. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Leaf Wettability of Wheat in Relation to Infection by Puccinia recondita f. sp. tritici. G. D. Statler, J. T. Nordgaard. Pages 641-643. VIEW ABSTRACT | VIEW ARTICLE
Vector Relations
The Median Latent Periods for Three Isolates of Barley Yellow Dwarf Virus in Aphid Vectors. L. J. van der Broek, C. C. Gill. Pages 644-646. VIEW ABSTRACT | VIEW ARTICLE
Vector relations
Loss of Aphid Transmissibility of Turnip Mosaic Virus. Nobumichi Sako. Pages 647-649. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Interaction of Light and Sterol on Sporangium and Chlamydospore Production by Phytophthora lateralis. L. Englander, L. F. Roth. Pages 650-654. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Biological Control of Rhizoctonia solani with a Soil-Inhabiting Basidiomycete. G. N. Odvody, M. G. Boosalis, and E. D. Kerr. Pages 655-658. VIEW ABSTRACT | VIEW ARTICLE
Vector Relations
Maize Bushy Stunt and Corn Stunt: A Comparison of Disease Symptoms, Pathogen Host Ranges, and Vectors. L. R. Nault. Pages 659-662. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Role of Penicillium funiculosum Strains in the Development of Pineapple Fruit Diseases. Tong- Kwee Lim, K. G. Rohrbach. Pages 663-665. VIEW ABSTRACT | VIEW ARTICLE
Genetics
Sorting of Puccinia recondita:Triticum Infection-Type Data Sets Toward the Gene-for-Gene Model. L. E. Browder, M. G. Eversmeyer. Pages 666-670. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Gliocladium virens, a Destructive Mycoparasite of Sclerotinia sclerotiorum. J. C. Tu. Pages 670-674. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Effect of Host on Multiplication and Distribution of Bean Common Blight Bacteria. C. R. Cafati, A. W. Saettler. Pages 675-679. VIEW ABSTRACT | VIEW ARTICLE
Disease Detection and Losses
Powdery Mildew of Sugar Beet: Disease and Crop Loss Assessment. F. J. Hills, L. Chiarappa, and S. Geng. Pages 680-682. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Horizontal Dispersal of Urediospores of Puccinia recondita f. sp. tritici and P. graminis f. sp. tritici from a Source Plot of Wheat. M. G. Eversmeyer, C. L. Kramer. Pages 683-685. VIEW ABSTRACT | VIEW ARTICLE
Abstracts
Abstracts of the Annual Meeting of the Potomac Division for 1980. Pages 686-694. VIEW ABSTRACT | VIEW ARTICLE
American Phytopathological Society Board & Staff. VIEW ABSTRACT | VIEW ARTICLE
