American Phytopathological Society Board & Staff. VIEW ABSTRACT | VIEW ARTICLE
A Model Relating the Probability of Foliar Disease Incidence to the Population Frequencies of Bacterial Plant Pathogens. D. I. Rouse, E. V. Nordheim, S. S. Hirano, and C. D. Upper. Pages 505-509. VIEW ABSTRACT | VIEW ARTICLE
The Role of Solar Radiation, Especially Ultraviolet, in the Mortality of Fungal Spores. J. Rotem, B. Wooding, and D. E. Aylor. Pages 510-514. VIEW ABSTRACT | VIEW ARTICLE
Growth of Homologous and Heterologous Phytopathogenic Bacteria in Cotton Lines Susceptible, Resistant, or Immune to Blight. Melanie B. Bayles, William M. Johnson. Pages 515-519. VIEW ABSTRACT | VIEW ARTICLE
Overwintering of Pseudomonas syringae pv. glycinea in the Field. E. W. Park, S. M. Lim. Pages 520-524. VIEW ABSTRACT | VIEW ARTICLE
Indigenous Plasmids in Xanthomonas campestris pv. citri. E. L. Civerolo. Pages 524-528. VIEW ABSTRACT | VIEW ARTICLE
Effect of Reducing Oxidant Injury and Early Blight on Fresh Weight and Tuber Density of Potato. J. D. Holley, G. Hofstra, and R. Hall. Pages 529-532. VIEW ABSTRACT | VIEW ARTICLE
Dissemination of Virulent and Hypovirulent Forms of a Marked Strain of Endothia parasitica in Michigan. S. Westveer Garrod, D. W. Fulbright, and A. V. Ravenscroft. Pages 533-538. VIEW ABSTRACT | VIEW ARTICLE
Influence of Winter Wheat Management Practices on the Severity of Powdery Mildew and Septoria Blotch in Pennsylvania. Steven C. Broscious, James A. Frank, and James R. Frederick. Pages 538-542. VIEW ABSTRACT | VIEW ARTICLE
Glyceollin Accumulation in Soybean Lines Tolerant to Phytophthora megasperma f. sp. glycinea. A. F. Olah, A. F. Schmitthenner, and A. K. Walker. Pages 542-546. VIEW ABSTRACT | VIEW ARTICLE
A Growth Chamber Test For Measuring Phytophthora Root Rot Tolerance in Soybean Seedlings. A. F. Olah, A. F. Schmitthenner. Pages 546-548. VIEW ABSTRACT | VIEW ARTICLE
Differentiation of Postharvest Soft Rotting Bacteria with Two-Dimensional Polyacrylamide Gel Electrophoresis. H. E. Moline. Pages 549-553. VIEW ABSTRACT | VIEW ARTICLE
Effect of Pesticides on Zearalenone Production in Culture and in Corn Plants. F. A. Draughon, D. C. Churchville. Pages 553-556. VIEW ABSTRACT | VIEW ARTICLE
Estimated Distances for Infection of Wheat Roots by Gaeumannomyces graminis var. tritici in Soils Suppressive and Conducive to Take-All. H. T. Wilkinson, J. R. Alldredge, and R. J. Cook. Pages 557-559. VIEW ABSTRACT | VIEW ARTICLE
Biological Control of Rhizoctonia Stem Canker and Black Scurf of Potato. J. E. Beagle-Ristaino, G. C. Papavizas. Pages 560-564. VIEW ABSTRACT | VIEW ARTICLE
Mutations Affecting Virulence in Puccinia recondita. G. Statler. Pages 565-567. VIEW ABSTRACT | VIEW ARTICLE
Etiology of Radish Scab and Its Control Through Irrigation. D. R. Levick, T. A. Evans, C. T. Stephens, and M. L. Lacy. Pages 568-572. VIEW ABSTRACT | VIEW ARTICLE
Reduced Receptivity to Infection Associated with Wheat Gene Lr2c for Low Reaction to Puccinia recondita. R. S. Modawi, L. E. Browder, and E. G. Heyne. Pages 573-576. VIEW ABSTRACT | VIEW ARTICLE
Factors Affecting the Development of Head Smut Caused by Sphacelotheca reiliana on Corn. Carl A. Matyac, Thor Kommedahl. Pages 577-581. VIEW ABSTRACT | VIEW ARTICLE
Comparative Membrane Characterization of Xanthomonas campestris pv. cassavae and X. campestris pv. manihotis. R. M. D. B. dos Santos, J. C. Dianese. Pages 581-587. VIEW ABSTRACT | VIEW ARTICLE
Efficacy of Various Fumigants in the Eradication of Decay Fungi Implanted in Douglas-fir Timbers. Wallace E. Eslyn, Terry L. Highley. Pages 588-592. VIEW ABSTRACT | VIEW ARTICLE
Effects of Inoculum Concentration and Temperature on Anthracnose Severity in Alfalfa. Ronald E. Welty, John O. Rawlings. Pages 593-598. VIEW ABSTRACT | VIEW ARTICLE
Interaction of Rhizoctonia spp. with Peanut Lectin. Jane R. Leatherman, Steven G. Pueppke. Pages 598-602. VIEW ABSTRACT | VIEW ARTICLE
Receptivity, Incubation Period, and Lesion Size as Criteria for Screening Barley Genotypes for Resistance to Pyrenophora teres. Forrest Weston Nutter, Jr.,, Vernyl D. Pederson. Pages 603-606. VIEW ABSTRACT | VIEW ARTICLE
Development of Crown Rust Epidemics in Genetically Diverse Oat Populations: Effect of Genotype Unit Area. C. C. Mundt, J. A. Browning. Pages 607-610. VIEW ABSTRACT | VIEW ARTICLE
Splash Dispersal of Phytophthora cactorum from Infected Strawberry Fruit. G. G. Grove, L. V. Madden, and M. A. Ellis. Pages 611-615. VIEW ABSTRACT | VIEW ARTICLE
Phytotoxic Responses of Citrus Fruit to Fumigation with Ethylene Dibromide. L. G. Houck, J. F. Jenner, J. S. Tebbets, and P. L. Hartsell. Pages 616-622. VIEW ABSTRACT | VIEW ARTICLE
Abstracts of the Annual Meeting of the Potomac Division of the APS. Pages 623-630. VIEW ABSTRACT | VIEW ARTICLE