American Phytopathological Society Board & Staff. VIEW ABSTRACT | VIEW ARTICLE
Letter to the Editor
Selection Pressures and Plant Pathogens: Stability of Equilibria. J. R. Sedcole. Pages 967-970. VIEW ABSTRACT | VIEW ARTICLE
In Response to ‘Selection Pressures and Plant Pathogens: Stability of Equilibria.’ K. J. Leonard, R. J. Czochor. Pages 971-973. VIEW ABSTRACT | VIEW ARTICLE
Disease Detection and Losses
Effect of Potato Virus Y on Cultivars and Hybrids of Burley Tobacco. R. C. Sievert. Pages 974-978. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Biological and Serological Characterization and Separation of Potyviruses that Infect Peppers. M. R. Nelson, R. E. Wheeler. Pages 979-984. VIEW ABSTRACT | VIEW ARTICLE
Transmission and Physical Properties of the Causal Agent of Mosaico Amarillo del Tomate (Tomato Yellow Mosaic). R. C. de Uzcátegui, Ramón Lastra. Pages 985-988. VIEW ABSTRACT | VIEW ARTICLE
Host Reactions of Mechanically Transmissible Legume Viruses of the Northern Temperature Zone. R. Hampton, L. Beczner, D. Hagedorn, L. Bos, T. Inouye, O. Barnett, M. Musil, and J. Meiners. Pages 989-997. VIEW ABSTRACT | VIEW ARTICLE
Purification and Properties of Sweet Potato Feathery Mottle Virus. J. W. Moyer, G. G. Kennedy. Pages 998-1004. VIEW ABSTRACT | VIEW ARTICLE
Rose Ring Pattern: A Component of the Rose-Mosaic Complex. Garry A. Secor, George Nyland. Pages 1005-1010. VIEW ABSTRACT | VIEW ARTICLE
Ozone and Sulfur Dioxide Mixtures Cause a PAN-Type Injury to Petunia. Elizabeth Lewis, Eileen Brennan. Pages 1011-1014. VIEW ABSTRACT | VIEW ARTICLE
Cytology and Histology
Ultrastructural Cell Wall Alterations in Immune Cotton Leaves Inoculated with Xanthomonas malvacearum. Edward T. Cason, Jr., P. E. Richardson, M. K. Essenberg, L. A. Brinkerhoff, W. M. Johnson, and R. J. Venere. Pages 1015-1021. VIEW ABSTRACT | VIEW ARTICLE
Feeding Plug Formation in Soybean Roots Infected with the Soybean Cyst Nematode. B. Y. Endo. Pages 1022-1031. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Effects of Catechin in Culture and in Cotton Seedlings on the Growth and Polygalacturonase Activity of Rhizoctonia solani. R. E. Hunter. Pages 1032-1036. VIEW ABSTRACT | VIEW ARTICLE
Hydrogen Cyanide Potential During Pathogenesis of Sorghum by Gloeocercospora sorghi or Helminthosporium sorghicola. D. F. Myers, W. E. Fry. Pages 1037-1041. VIEW ABSTRACT | VIEW ARTICLE
Effect of Heat Treatment upon Cowpea Chlorotic Mottle Virus Ribonucleic Acid Replication. W. O. Dawson, J. L. White, and G. L. Grantham. Pages 1042-1048. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Nutrition during Spore Production and the Inoculum Potential of Helminthosporium maydis Race T. Mary J. Trainor, C. A. Martinson. Pages 1049-1053. VIEW ABSTRACT | VIEW ARTICLE
Effects of Temperature, Free Moisture, and Relative Humidity on the Occurrence of Walnut Anthracnose. W. M. Black, Dan Neely. Pages 1054-1056. VIEW ABSTRACT | VIEW ARTICLE
Insect Transmission of Pathogenic Xanthomonads to Bean and Cowpea in Puerto Rico. Walter J. Kaiser, Nader G. Vakili. Pages 1057-1063. VIEW ABSTRACT | VIEW ARTICLE
Epiphytic Movement and Survival of Pseudomonas syringae on Spring Wheat. S. J. Fryda, J. D. Otta. Pages 1064-1067. VIEW ABSTRACT | VIEW ARTICLE
Some Properties of the False Broomrape Causal Agent and its Persistence in Soil and Refrigerated and Frozen Tumor Tissues. L. W. Nielsen. Pages 1068-1070. VIEW ABSTRACT | VIEW ARTICLE
Vector Relations
Transmission of Maize Chlorotic Mottle Virus by Chrysomelid Beetles. L. R. Nault, W. E. Styer, M. E. Coffey, D. T. Gordon, L. S. Negi, and C. L. Niblett. Pages 1071-1074. VIEW ABSTRACT | VIEW ARTICLE
Genetics
Stability of Endothia parasitica Hypovirulence in Culture. Neal K. Van Alfen, Richard A. Jaynes, and James T. Bowman. Pages 1075-1079. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Screening Commercial Onion Cultivars for Resistance to White Rot. R. S. Utkhede, J. E. Rahe. Pages 1080-1083. VIEW ABSTRACT | VIEW ARTICLE
Inheritance of Resistance to Red Clover Vein Mosaic Virus in Red Clover. Mushtaq A. Khan, D. P. Maxwell, and R. R. Smith. Pages 1084-1086. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Evaluation of Biological Seed Treatment for Controlling Root Diseases of Pea. Thor Kommedahl, Carol E. Windels. Pages 1087-1095. VIEW ABSTRACT | VIEW ARTICLE
Seed Treatment with L-Sorbose to Control Damping-Off or Cotton Seedlings by Rhizoctonia solani. C. R. Howell. Pages 1096-1098. VIEW ABSTRACT | VIEW ARTICLE
Techniques
The Use of Various Substrates for Large-Scale Production of Fusarium oxysporum f. sp. cannabis Inoculum. D. C. Hildebrand, A. H. McCain. Pages 1099-1101. VIEW ABSTRACT | VIEW ARTICLE
Improvement of Techniques for Determining Populations of Macroposthonia xenoplax in Dry Soil. Ernest G. Lawrence, Eldon I. Zehr. Pages 1102-1105. VIEW ABSTRACT | VIEW ARTICLE
The Use of Immunofluorescence for the Identification of Phony Peach Bacterium. W. J. French, D. L. Stassi, and N. W. Schaad. Pages 1106-1108. VIEW ABSTRACT | VIEW ARTICLE
