American Phytopathological Society Board & Staff. VIEW ABSTRACT | VIEW ARTICLE
Obituary
Tsune Kosuge, 1925-1988. D. G. Gilchrist and R. K. Webster. Page 1135. VIEW ABSTRACT | VIEW ARTICLE
Molecular Plant Pathology
A DNA Hybridization Probe for Detection of Soybean Cyst Nematode. E. A. Besal, T. O. Powers, A. D. Radice, and L. J. Sandall. Pages 1136-1139. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Corky Root of Lettuce in California Caused by a Gram-Negative Bacterium. Ariena H. C. van Bruggen, R. G. Grogan, C. P. Bogdanoff, and C. M. Waters. Pages 1139-1145. VIEW ABSTRACT | VIEW ARTICLE
Genetics
The Genetics of Corky Root Resistance in Lettuce. P. R. Brown, R. W. Michelmore. Pages 1145-1150. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Quantitative Analysis of Organic Phosphonates, Phosphonate, and Other Inorganic Anions in Plants and Soil by Using High-Performance Ion Chromatography. D. G. Ouimette, M. D. Coffey. Pages 1150-1155. VIEW ABSTRACT | VIEW ARTICLE
Disease Detection and Losses
Relationships Between Common Rust Incidence and Severity on a Susceptible and a Partially Resistant Sweet Corn Hybrid. J. K. Pataky, J. M. Headrick. Pages 1155-1160. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Influence of Light Quality on Translocation of Tomato Yellow Top Virus and Potato Leaf Roll Virus in Lycopersicon peruvianum and Some of its Tomato Hybrids. P. E. Thomas, Sher Hassan, and G. I. Mink. Pages 1160-1164. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Extreme Resistance to Tomato Yellow Top Virus and Potato Leaf Roll Virus in Lycopersicon peruvianum and Some of its Tomato Hybrids. Sher Hassan, P. E. Thomas. Pages 1164-1167. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Effects of Hydrogen Fluoride on Growth, Common Blight Development, and the Accumulation of Fluoride in Field-Grown Red Kidney Beans. K. L. Reynolds, J. A. Laurence. Pages 1168-1173. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Study of Field-Grown Cotton Roots Infected with Verticillium dahliae Using an Immunoenzymatic Staining Technique. J. S. Gerik, O. C. Huisman. Pages 1174-1178. VIEW ABSTRACT | VIEW ARTICLE
Genetics
Genetics of Resistance to Bipolaris setariae in Pearl Millet. Homer D. Wells, Wayne W. Hanna. Pages 1179-1181. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
The Influence of Environmental Factors on Anthracnose of Xanthium spinosum. C. F. McRae, B. A. Auld. Pages 1182-1186. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Differentiation of Pseudomonas syringae pv. tomato from P. s. syringae with a DNA Hybridization Probe. Timothy P. Denny. Pages 1186-1193. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Restricted Colonization by Peronospora tabacina and Phytoalexin Accumulation in Immunized Tobacco Leaves. K. Stolle, M. Zook, L. Shain, F. Hebard, and J. Kuć. Pages 1193-1197. VIEW ABSTRACT | VIEW ARTICLE
Disease Detection and Losses
Modeling the Influences of Plant Infection Rate and Temperature on Potato Foliage and Yield Losses Caused by Verticillium dahliae. K. B. Johnson. Pages 1198-1205. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Saprophytic Growth and Pseudothecia Production by Pyrenophora tritici-repentis in Plant Tissue Held at Controlled Water Potentials. W. F. Pfender, C. A. Pacey, and W. Zhang. Pages 1205-1210. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Development of Bean Rust Epidemics in a Field Planted with Alternate Rows of a Resistant and a Susceptible Snap Bean Cultivar. Donald E. Aylor. Pages 1210-1215. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Fertile Interspecific Somatic Hybrids of Solanum: A Novel Source of Resistance to Erwinia Soft Rot. Sandra Austin, Ewa Lojkowska, Mark K. Ehlenfeldt, Arthur Kelman, and John P. Helgeson. Pages 1216-1220. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Citrus Tristeza Virus: Characterization of Coat Proteins. R. F. Lee, L. A. Calvert, J. Nagel, and J. D. Hubbard. Pages 1221-1226. VIEW ABSTRACT | VIEW ARTICLE
Genetics
Genetic Analysis of Virulence in the Rice Blast Fungus Magnaporthe grisea. Hei Leung, Emerlito S. Borromeo, Marichu A. Bernardo, and Jean L. Notteghem. Pages 1227-1233. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
In Vitro Activity of Sodium Tetrathiocarbonate on Sporulation and Growth of Six Phytophthora Species. M. E. Matheron, J. C. Matejka. Pages 1234-1237. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Lipopolysaccharide from Agrobacterium tumefaciens B6 Induces the Production of Strain-Specific Antibodies. Hacene Bouzar, Larry W. Moore, and Henry W. Schaup. Pages 1237-1241. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Epidemiology of Sclerotinia Stem Rot of Soybean in Ontario. G. J. Boland, R. Hall. Pages 1241-1245. VIEW ABSTRACT | VIEW ARTICLE
Special Topics
Effect of Osmopriming Sugar Beet Seed on Exudation and Subsequent Damping-off Caused by Pythium ultimum. R. M. Osburn, M. N. Schroth. Pages 1246-1250. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Aflatoxin and Sclerotial Production by Aspergillus flavus: Influence of pH. P. J. Cotty. Pages 1250-1253. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Suppression of Ascocarp Formation in Pyrenophora tritici-repentis by Limonomyces roseipellis, a Basidiomycete from Reduced-Tillage Wheat Straw. W. F. Pfender. Pages 1254-1258. VIEW ABSTRACT | VIEW ARTICLE
Postharvest Pathology and Mycotoxins
Toxigenicity of Fusarium proliferatum and other Fusarium Species Isolated from Corn Ears in Minnesota. Hamed K. Abbas, C. J. Mirocha, T. Kommedahl, P. M. Burnes, R. A. Meronuck, and R. Gunther. Pages 1258-1260. VIEW ABSTRACT | VIEW ARTICLE