American Phytopathological Society Board & Staff. VIEW ABSTRACT | VIEW ARTICLE
Obituary
Myron Port Backus, 1908-1988. Deane C. Arny and Eldon Newcomb. Page 379. VIEW ABSTRACT | VIEW ARTICLE
Obituary
Robert Marshall Pratt, 1916-1987. Leon J. Tyler and Carl W. Boothroyd. Page 380. VIEW ABSTRACT | VIEW ARTICLE
Obituary
Leon John Tyler, 1902-1988. Carl W. Boothroyd. Page 381. VIEW ABSTRACT | VIEW ARTICLE
Techniques
The Use of Immuno-Gold Staining Techniques for Detection of a Bacterium Associated with Greening Diseased Citrus. Dvora Ariovich, Helen M. Garnett. Pages 382-384. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Purification and Some Properties of South African Isolates of Ornithogalum Mosaic Virus. J. T. Burger, M. B. von Wechmar. Pages 385-391. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Effect of Temperature on Adult-Plant Resistance to Leaf Rust in Wheat. Kalpana Kaul, Gregory Shaner. Pages 391-394. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Microclimates of Grapevine Canopies Associated with Leaf Removal and Control of Botrytis Bunch Rot. J. T. English, C. S. Thomas, J. J. Marois, and W. D. Gubler. Pages 395-401. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Volume, Nuclear Number, and Aggressiveness of Conidia of Monilinia fructicola Produced on Media of Varied Glucose Concentrations at 15 and 25 C. Douglas J. Phillips, Dennis A. Margosan, and Bruce E. Mackey. Pages 401-403. VIEW ABSTRACT | VIEW ARTICLE
Postharvest Pathology and Mycotoxins
The Role of Deoxynivalenol and 15-Acetyldeoxynivalenol in Pathogenesis by Gibberella zeae, as Elucidated Through Protoplast Fusions Between Toxigenic and Nontoxigenic Strains. Gerard C. Adams, L. Patrick Hart. Pages 404-408. VIEW ABSTRACT | VIEW ARTICLE
Genetics
Density-Dependent Fitness Interactions in the Bean Rust Fungus. M. K. Kardin, J. V. Groth. Pages 409-412. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Variability in Septoria musiva in Aggressiveness. J. M. Krupinsky. Pages 413-416. VIEW ABSTRACT | VIEW ARTICLE
Cytology and Histology
Cellular and Histological Changes Induced by Phytophthora cinnamomi in a Group of Plant Species Ranging from Fully Susceptible to Fully Resistant. D. Cahill, N. Legge, B. Grant, and G. Weste. Pages 417-424. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Splash Dispersal of Phytophthora cactorum from Infected Strawberry Fruit by Simulated Canopy Drip. K. M. Reynolds, L. V. Madden, D. L. Reichard, and M. A. Ellis. Pages 425-432. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Examination of Rice Hydathode Water Pores Exposed to Xanthomonas campestris pv. oryzae. A. Guo, J. E. Leach. Pages 433-436. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Interaction of Fusarium avenaceum and Pseudomonas viridiflava in Root Rot of Red Clover. K. T. Leath, F. L. Lukezic, B. W. Pennypacker, W. A. Kendall, R. G. Levine, and R. R. Hill, Jr.. Pages 436-440. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Temperature and Wetness Duration Requirements for Apple Infection by Botryosphaeria obtusa. L. F. Arauz, T. B. Sutton. Pages 440-444. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Isozyme Characterization of Peridermium harknessii and Cronartium quercuum f. sp. banksianae with Starch Gel Electrophoresis. G. A. Tuskan, J. A. Walla. Pages 444-448. VIEW ABSTRACT | VIEW ARTICLE
Disease Detection and Losses
Sorghum Downy Mildew Loss Assessment with Near-Isogenic Sorghum Populations. J. Craig, G. N. Odvody, G. C. Wall, and D. H. Meckenstock. Pages 448-451. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Purification, Serology, and Some Properties of a Mechanically Transmissible Virus Associated with Green Ring Mottle Disease in Peach and Cherry. K. R. Zagula, N. M. Aref, and D. C. Ramsdell. Pages 451-456. VIEW ABSTRACT | VIEW ARTICLE
Molecular Plant Pathology
Independent Replication of Red Clover Necrotic Mosaic Virus RNA-1 in Electroporated Host and Nonhost Nicotiana Species Protoplasts. L. L. Paje-Manalo, S. A. Lommel. Pages 457-461. VIEW ABSTRACT | VIEW ARTICLE
Disease Detection and Losses
Assessment of Methods of Determining Powdery Mildew Severity in Relation to Grain Yield of Winter Wheat Cultivars in Ohio. P. E. Lipps, L. V. Madden. Pages 462-470. VIEW ABSTRACT | VIEW ARTICLE
Genetics
Detection of Double-Stranded RNA in Phytophthora infestans. P. W. Tooley, A. D. Hewings, and K. F. Falkenstein. Pages 470-474. VIEW ABSTRACT | VIEW ARTICLE
Genetics
Gene Pu6: A New Gene in Sunflower for Resistance to Puccinia helianthi. S. M. Yang, W. M. Dowler, and A. Luciano. Pages 474-477. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Mating Type, Race Composition, Nuclear DNA Content, and Isozyme Analysis of Peruvian Isolates of Phytophthora infestans. P. W. Tooley, C. D. Therrien, and D. L. Ritch. Pages 478-481. VIEW ABSTRACT | VIEW ARTICLE
Disease Detection and Losses
Relationship of Growth Reduction in Douglas-fir to Infection by Armillaria Root Disease in Southeastern British Columbia. W. J. Bloomberg, D. J. Morrison. Pages 482-487. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Detection of Blueberry Shoestring Virus in Xylem and Phloem Tissues of Highbush Blueberry. L. A. Urban, D. C. Ramsdell, K. L. Klomparens, T. Lynch, and J. F. Hancock. Pages 488-493. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
BLIGHT-ALERT: A Weather-Based Predictive System for Timing Fungicide Applications on Onion Before Infection Periods of Botrytis squamosa. P. C. Vincelli, J. W. Lorbeer. Pages 493-498. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Phytotoxin Production by Diaporthe phaseolorum var. caulivora, the Causal Organism of Stem Canker of Soybean. B. Lalitha, J. P. Snow, and G. T. Berggren. Pages 499-504. VIEW ABSTRACT | VIEW ARTICLE
