American Phytopathological Society Board & Staff. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Association of Spiral Filamentous Viruslike Particles with Rice Hoja Blanca. Francisco J. Morales, Andrea I. Niessen. Pages 971-974. VIEW ABSTRACT | VIEW ARTICLE
Etiology
A Fastidious, Xylem-Limited Bacterium Infecting Ragweed. L. W. Timmer, R. H. Brlansky, R. F. Lee, and B. C. Raju. Pages 975-979. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Relationships of Planting Density and Competition to Growth Characteristics and Internal Crown Breakdown in Arrowleaf Clover. R. G. Pratt, W. E. Knight. Pages 980-983. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Potential for Phytophthora infestans Populations to Adapt to Potato Cultivars with Rate-Reducing Resistance. R. V. James, W. E. Fry. Pages 984-988. VIEW ABSTRACT | VIEW ARTICLE
Special Topics
Spiroplasmalike Organisms in a Vesicular-Arbuscular Mycorrhizal Fungus and Its Mycoparasite. S. S. Tzean, C. L. Chu, and H. J. Su. Pages 989-991. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Enhancement by Soybean Mosaic Virus of Bean Pod Mottle Virus Titer in Doubly Infected Soybean. L. A. Calvert, S. A. Ghabrial. Pages 992-997. VIEW ABSTRACT | VIEW ARTICLE
Postharvest Pathology and Mycotoxins
Ethylene Effects on In Vitro and In Vivo Growth of Certain Postharvest Fruit-Infecting Fungi. M. K. El-Kazzaz, N. F. Sommer, and A. A. Kader. Pages 998-1001. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Influence of Heterodera glycines on Leghemoglobins of Soybean Nodules. Jeng- sheng Huang, Kenneth R. Barker. Pages 1002-1004. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Some Genetic Techniques for Gibberella zeae. John F. Leslie. Pages 1005-1008. VIEW ABSTRACT | VIEW ARTICLE
Techniques
A Sensitive Method for Quantifying Verticillium dahliae Colonization in Plant Tissue and Evaluating Resistance Among Potato Genotypes. J. R. Davis, J. J. Pavek, and D. L. Corsini. Pages 1009-1014. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Interplot Interference: A Model for Planning Field Experiments with Aerially Disseminated Pathogens. R. E. Paysour, W. E. Fry. Pages 1014-1020. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Influence of Dew Period and Temperature on Infection of Onion Leaves by Dry Conidia of Botrytis squamosa. S. C. Alderman, M. L. Lacy. Pages 1020-1023. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Environmental Factors Affecting Survival of Ascospores of Sclerotinia sclerotiorum. A. J. Caesar, R. C. Pearson. Pages 1024-1030. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Effects of Hypovirulence in Cryphonectria parasitica and of Secondary Blight Infections on Dieback of American Chestnut Trees. E. G. Kuhlman. Pages 1030-1034. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Interactions Between Glomus geosporum and Exposure of Soybeans to Ozone or Simulated Acid Rain in the Field. P. F. Brewer, A. S. Heagle. Pages 1035-1040. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Microhumidity Chamber for Quantitative Inoculation of Attached Corn Leaves with Fungal Pathogens. G. C. Bergstrom, R. L. Nicholson. Pages 1040-1042. VIEW ABSTRACT | VIEW ARTICLE
Special Topics
Penetration of Sclerotia of Sclerotium rolfsii by Trichoderma spp.. Y. Henis, P. B. Adams, J. A. Lewis, and G. C. Papavizas. Pages 1043-1046. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Composition of Wheat Straw Infested with Cephalosporium gramineum and Implications for Its Decomposition in Soil. T. D. Murray, G. W. Bruehl. Pages 1046-1048. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Eradication of Potato Viruses X and S from Potato Shoot-Tip Cultures with Ribavirin. R. E. Klein, C. H. Livingston. Pages 1049-1050. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Virulence of North American and European Isolates of Verticillium albo-atrum on Alfalfa Cultivars. A. A. Christen, R. N. Peaden, G. P. Harris, and J. B. Heale. Pages 1051-1054. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Evaluation of Potato Late Blight Forecasts Modified to Incorporate Host Resistance and Fungicide Weathering. W. E. Fry, A. E. Apple, and J. A. Bruhn. Pages 1054-1059. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Evidence for Xylem Dysfunction by Embolization in Dutch Elm Disease. Dennis Newbanks, Arjen Bosch, and Martin H. Zimmermann. Pages 1060-1063. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Horizontal Distribution and Characterization of Rhizoctonia spp. in Tall Fescue Turf. S. B. Martin, C. L. Campbell, and L. T. Lucas. Pages 1064-1068. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Calcium Infiltration of Golden Delicious Apples and Its Effect on Decay. W. S. Conway, C. E. Sams. Pages 1068-1071. VIEW ABSTRACT | VIEW ARTICLE
Cytology and Histology
Histological and Physiological Aspects of Infection of Sclerotia of Two Sclerotinia Species by Two Mycoparasites. P. B. Adams, W. A. Ayers. Pages 1072-1076. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Assessment of Interactions Between Cultivated and Wild Wheats and Septoria tritici. Meira Yechilevich- Auster, Edna Levi, and Z. Eyal. Pages 1077-1083. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Survival of American Chestnut Trees: Evaluation of Blight Resistance and Virulence in Endothia parasitica. G. J. Griffin, F. V. Hebard, R. W. Wendt, and J. R. Elkins. Pages 1084-1092. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Infection of Trembling Aspen by Hypoxylon mammatum Through Cicada Oviposition Wounds. Michael E. Ostry, Neil A. Anderson. Pages 1092-1096. VIEW ABSTRACT | VIEW ARTICLE