American Phytopathological Society Board & Staff. VIEW ABSTRACT | VIEW ARTICLE
Letter to the Editor
Possible Role of Nuclear Structure in Disease Resistance of Plants. Lee A. Hadwiger. Pages 1009-1014. VIEW ABSTRACT | VIEW ARTICLE
Obituary
Fred Harrison Smith, 1926-1987. Wesley Witcher and L. W. Baxter, Jr. Page 1015. VIEW ABSTRACT | VIEW ARTICLE
Obituary
Michael Thomas Turner, 1944-1987. R. E. Ford and Tim Leland. Page 1016. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Vegetative Compatibility and Pathogenicity of Verticillium albo-atrum. J. C. Correll, T. R. Gordon, and A. H. McCain. Pages 1017-1021. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Immunoenzymatic Detection of Phytophthora fragariae in Infected Strawberry Plants. Eugénie Amouzou-Alladaye, Jean Dunez, and Michel Clerjeau. Pages 1022-1026. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Detection of Viral Antigen by Immunogold Cytochemistry in Ovules, Pollen, and Anthers of Alfalfa Infected with Alfalfa Mosaic Virus. Z. Pesic, C. Hiruki, and M. H. Chen. Pages 1027-1032. VIEW ABSTRACT | VIEW ARTICLE
Cytology and Histology
Differential Effects of Sterol Inhibitors on Growth, Cell Membrane Permeability, and Ultrastructure of Two Target Fungi. H. Dahmen, H. C. Hoch(2), and T. Staub(3). Pages 1033-1042. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Resistance in Cucumis melo to Watermelon Mosaic Virus 2 Correlated with Reduced Virus Movement Within Leaves. Stewart M. Gray, J. W. Moyer, and G. G. Kennedy. Pages 1043-1047. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Restriction Fragment Length Polymorphisms in Nuclear and Mitochondrial DNA of Sclerotinia Species. L. M. Kohn, D. M. Petsche, S. R. Bailey, L. A. Novak, and J. B. Anderson. Pages 1047-1051. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Inhibition of Penicillium expansum Polygalacturonase Activity by Increased Apple Cell Wall Calcium. William S. Conway, Kenneth C. Gross, Charles D. Boyer, and Carl E. Sams. Pages 1052-1055. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Colonization of Soybean Roots by Pseudomonas and Serratia Species: Relationship to Bacterial Motility, Chemotaxis, and Generation Time. F. M. Scher, J. W. Kloepper, C. Singleton, I. Zaleska, and M. Laliberte. Pages 1055-1059. VIEW ABSTRACT | VIEW ARTICLE
Molecular Plant Pathology
Molecular Cloning of Potato Leaf Roll Virus Complementary DNA. O. P. Smith, K. F. Harris, R. W. Toler, and M. D. Summers. Pages 1060-1066. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Role of the Cuticular Membrane in Ontogenic and Vf-Resistance of Apple Leaves against Venturia inaequalis. Claudio Valsangiacomo, Cesare Gessler. Pages 1066-1069. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Association of Suberin Formation in Uninoculated Wounds with Susceptibility to Leucostoma cincta and L. persoonii in Various Peach Cultivars. A. R. Biggs, N. W. Miles. Pages 1070-1074. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Production of Ammonia by Enterobacter cloacae and Its Possible Role in the Biological Control of Pythium Preemergence Damping-off by the Bacterium. C. R. Howell, R. C. Beier, and R. D. Stipanovic. Pages 1075-1078. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Relationship of Precipitation Probability to Infection Potential of Botrytis squamosa on Onion. P. C. Vincelli, J. W. Lorbeer. Pages 1078-1082. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Phytotoxic Substances Produced by Some Isolates of Cercospora arachidicola Are Not Cercosporin. S. A. Fore, M. E. Daub, and M. K. Beute. Pages 1082-1086. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Influence of Number of Host Genotype Units on the Effectiveness of Host Mixtures for Disease Control: A Modeling Approach. C. C. Mundt, L. S. Brophy. Pages 1087-1094. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Relationship Between In Vitro Inhibition of Gaeumannomyces graminis var. tritici and Suppression of Take-All of Wheat by Fluorescent Pseudomonads. David M. Weller, William J. Howie, and R. James Cook. Pages 1094-1100. VIEW ABSTRACT | VIEW ARTICLE
Techniques
An Improved Diffusion Assay for Quantifying the Polygalacturonase Content of Erwinia Culture Filtrates. Raymond J. Taylor, Gary A. Secor. Pages 1101-1103. VIEW ABSTRACT | VIEW ARTICLE
Cytology and Histology
Development of Cladosporium caryigenum in Pecan Leaves. A. J. Latham, A. E. Rushing. Pages 1104-1108. VIEW ABSTRACT | VIEW ARTICLE
Cytology and Histology
Presymptom Histopathology of Peach Trees Inoculated with Botryosphaeria obtusa and B. dothidea. A. R. Biggs, K. O. Britton. Pages 1109-1118. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Detection and Differentiation of Maize Dwarf Mosaic Virus, Strains A and B, by Use of Different Class Immunoglobulins in a Double-Antibody Sandwich Enyzme-Linked Immunosorbent Assay. F. E. Jones, J. H. Hill, and D. P. Durand. Pages 1118-1124. VIEW ABSTRACT | VIEW ARTICLE
Resistance
A Cowpea Line Has Distinct Genes for Resistance to Tobacco Ringspot Virus and Cowpea Mosaic Virus. Fernando Ponz, Mary L. Russell, Adib Rowhani, and George Bruening. Pages 1124-1128. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Characterization of the Peanut Mottle Virus Genome by in Vitro Translation. Z. Xiong, E. Hiebert, and D. E. Purcifull. Pages 1128-1134. VIEW ABSTRACT | VIEW ARTICLE