American Phytopathological Society Board & Staff. VIEW ABSTRACT | VIEW ARTICLE
Letter to the Editor
The Genetic Structure of Populations of Puccinia graminis f. sp. tritici. D. R. Knott. Pages 1149-1151. VIEW ABSTRACT | VIEW ARTICLE
Obituary
Truman C. Ryker, 1908-1986. J. C. Walker and Charles J. Delp. Page 1152. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Influence of Initial Density and Distribution of Inoculum on the Epidemiology of Tobacco Black Shank. D. M. Ferrin, D. J. Mitchell. Pages 1153-1158. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Sexual Reproduction of Pythium aphanidermatum: Stimulation by Phospholipids. W. H. Ko. Pages 1159-1160. VIEW ABSTRACT | VIEW ARTICLE
Vector Relations
Consecutive Serial Passage of Strawberry Crinkle Virus in Myzus ornatus by Injection and Its Occasional Transmission to Fragaria vesca. Edward S. Sylvester, Jean Richardson. Pages 1161-1164. VIEW ABSTRACT | VIEW ARTICLE
Genetics
Genetics and Nature of Resistance to Race 2 of Sphaerotheca fuliginea in Cucumis melo PI 124111. Shmuel Cohen, Yigal Cohen. Pages 1165-1167. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Establishment of Dicyma pulvinata in Cercosporidium personatum Leaf Spot of Peanuts: Effect of Spray Formulation, Inoculation Time, and Hours of Leaf Wetness. James K. Mitchell, Ruth A. Taber, and Robert E. Pettit. Pages 1168-1171. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Disease Progression as a Function of Plant Growth. N. Lalancette, K. D. Hickey. Pages 1171-1175. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
An Apple Powdery Mildew Model Based on Plant Growth, Primary Inoculum, and Fungicide Concentration. N. Lalancette, K. D. Hickey. Pages 1176-1182. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Some Biological and Physicochemical Properties of Bean Rugose Mosaic Virus. O. Acosta, A. Alegría, and R. Lastra. Pages 1182-1189. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Simulation of the Spread of Phytophthora cinnamomi Causing a Root Rot of Fraser Fir in Nursery Beds. K. M. Reynolds, H. J. Gold, R. I. Bruck, D. M. Benson, and C. Lee Campbell. Pages 1190-1201. VIEW ABSTRACT | VIEW ARTICLE
Techniques
A Sorbose-Based Selective Medium for Enumerating Propagules of Fusarium oxysporum f. sp. apii Race 2 in Organic Soil. R. T. Awuah, J. W. Lorbeer. Pages 1202-1205. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Persistence of Chlamydospores of Fusarium culmorum in Wheat Field Soils of Eastern Washington. D. A. Inglis, R. J. Cook. Pages 1205-1208. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Fitness and Virulence of Phytophthora infestans Isolates from Sexual and Asexual Populations. P. W. Tooley, J. A. Sweigard, and W. E. Fry. Pages 1209-1212. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Influence of Soil Water Status on the Epidemiology of Tobacco Black Shank. D. M. Ferrin, D. J. Mitchell. Pages 1213-1217. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Construction of an Inexpensive ELISA Plate Reader. L. W. Stobbs. Pages 1217-1221. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Association of Chemical and Biological Factors in Soils Suppressive to Pythium ultimum. F. N. Martin, J. G. Hancock. Pages 1221-1231. VIEW ABSTRACT | VIEW ARTICLE
Cytology and Histology
Structural and Morphological Changes Associated with the Pierce’s Disease Bacterium in Bunch and Muscadine Grape Tissues. Pi-Yu Huang, R. D. Milholland, and M. E. Daykin. Pages 1232-1238. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Environmental Factors Initiating Liberation of Conidia of Powdery Mildews. G. C. Adams, Jr., T. R. Gottwald, and C. M. Leach. Pages 1239-1245. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Characterization of Isolates of Rhizoctonia solani from Cereal Roots in South Australia and New South Wales. A. D. Rovira, A. Ogoshi, and H. J. McDonald. Pages 1245-1248. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Some Effects of Water Potential on Growth, Turgor, and Respiration of Phytophthora cryptogea and Fusarium moniliforme. D. M. Woods, J. M. Duniway. Pages 1248-1254. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Virus-Suppression and Aphid Resistance Effects on Spatial and Temporal Spread of Watermelon Mosaic Virus 2. Stewart M. Gray, J. W. Moyer, G. G. Kennedy, and C. Lee Campbell. Pages 1254-1259. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Bacterization of Rice Plants for Control of Sheath Blight Caused by Rhizoctonia solani. T. W. Mew, A. M. Rosales. Pages 1260-1264. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Serological Relationship Between 50 S Ribosomal Subunits from Strains of Agrobacterium and Rhizobium. Hacène Bouzar, Larry W. Moore, and Norman W. Schaad. Pages 1265-1269. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Comparative Characterization of Two Luteoviruses: Beet Western Yellows Virus and Barley Yellow Dwarf Virus. Adrianna D. Hewings, Cleora J. D’Arcy. Pages 1270-1274. VIEW ABSTRACT | VIEW ARTICLE
