American Phytopathological Society Board & Staff. VIEW ABSTRACT | VIEW ARTICLE
Obituary
José Vallega, 1909-1978. Carl J. Eide. Page 1109. VIEW ABSTRACT | VIEW ARTICLE
Letter to the Editor
Cross Protection Incompleteness: A Possible Cause for Natural Spread of Citrus Tristeza Virus After a Prolonged Lag Period in Israel. M. Bar-Joseph. Pages 1110-1111. VIEW ABSTRACT | VIEW ARTICLE
Disease Detection and Losses
Occurrence of Aspergillus flavus in Pistachio Nuts Prior to Harvest. S. V. Thomson, M. C. Mehdy. Pages 1112-1114. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Development of Canker on Ulmus pumila Related to Month of Inoculation with Botryodiplodia hypodermia. Jerry W. Riffle. Pages 1115-1119. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Snow Rot of Winter Wheat in Washington. P. E. Lipps, G. W. Bruehl. Pages 1120-1127. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Pathogenicity of Two Biotypes of Elsinoë fawcetti to Sweet Orange and Some Other Cultivars. J. O. Whiteside. Pages 1128-1131. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Bacterial Blight of Onion, a New Disease Caused by Xanthomonas sp.. A. M. Alvarez, I. W. Buddenhagen, E. S. Buddenhagen, and H. Y. Domen. Pages 1132-1136. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Two Flexuous-Rod Viruses in Dioscorea floribunda: Symptoms, Identification, and Ultrastructure. S. S. Hearon, M. K. Corbett, R. H. Lawson, A. G. Gillaspie, Jr., and H. E. Waterworth. Pages 1137-1146. VIEW ABSTRACT | VIEW ARTICLE
Cytology and Histology
The Development of Gloeocercospora sorghi in Sorghum. D. F. Myers, W. E. Fry. Pages 1147-1155. VIEW ABSTRACT | VIEW ARTICLE
Cytology and Histology
In Situ Reaction of Clover Yellow Mosaic Virus (CYMV) Inclusion Bodies with Fluorescent Antibodies to CYMV. D. V. Rao, P. Shukla, and C. Hiruki. Pages 1156-1159. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Influence of Air Pollutant Gases on Oxygen Uptake of Pine Roots with Selected Ectomycorrhizae. J. L. Carney, H. E. Garrett, and H. G. Hedrick. Pages 1160-1163. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Effect of Heat-Induced Susceptibility of Tobacco to Black Shank on Protein Content and on Activity of Peroxidases. G. E. Sanden, L. D. Moore. Pages 1164-1167. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Differences in the Sterol Synthesizing Pathways of Sterol-Producing and Non-Sterol-Producing Fungi. David Gottlieb, Raymond J. Knaus, and Susanne G. Wood. Pages 1168-1169. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Translocated Heat Therapy of Bean Rust. C. E. Yarwood. Pages 1170-1171. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Dispersal of Conidia of Botrytis cinerea in Tomato Fields. G. A. Chastagner, J. M. Ogawa, and B. T. Manji. Pages 1172-1176. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Tolerance and Resistance to Plant Disease: An Epidemiological Study. Kathleen Politowski, J. Artie Browning. Pages 1177-1185. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Effects of Soybean Seed Coat Cracks on Seed Exudation and Seedling Quality in Soil Infested with Pythium ultimum. Robert L. Schlub, A. F. Schmitthenner. Pages 1186-1191. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Occurrence of Verticicladiella wagenerii and Its Perfect State, Ceratocystis wageneri sp. nov., in Insect Galleries. Donald J. Goheen, Fields W. Cobb, Jr.. Pages 1192-1195. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Soybean Primary Leaves as a Site for Epiphytic Multiplication of Pseudomonas glycinea. B. W. Kennedy, G. L. Ercolani. Pages 1196-1201. VIEW ABSTRACT | VIEW ARTICLE
Genetics
Allelism and Linkage of Three Genes in Chromosome 2B of Wheat for Reaction to Puccinia graminis tritici. William Q. Loegering. Pages 1202-1203. VIEW ABSTRACT | VIEW ARTICLE
Resistance
The Nature of the Resistance of Agrotricums to Wheat Streak Mosaic Virus. M. A. Pfannenstiel, C. L. Niblett. Pages 1204-1209. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Comparative Toxicity of Gaseous Methyl Bromide to Ten Soilborne Phytopathogenic Fungi. Donald E. Munnecke, James L. Bricker, and Martin J. Kolbezen. Pages 1210-1216. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
The Influence of Several Crop Sequences on the Incidence of Verticillium Wilt of Cotton and on the Population of Verticillium dahliae in Field Soil. E. J. Butterfield, J. E. DeVay, and R. H. Garber. Pages 1217-1220. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Control of Fusarium Crown and Root Rot of Greenhouse Tomatoes by Inhibiting Recolonization of Steam-Disinfested Soil with a Captafol Drench. Randall C. Rowe, James D. Farley. Pages 1221-1224. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Prevention of Ozone Injury to Plants by a New Protectant Chemical. J. E. Carnahan, E. L. Jenner, and E. K. W. Wat. Pages 1225-1229. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Disease Control Through Use of Multilines: A Theoretical Contribution. Richard A. Fleming, Clayton O. Person. Pages 1230-1233. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Elutriation Procedures for Quantitative Assay of Soils for Rhizoctonia solani. C. A. Clark, J. N. Sasser, and K. R. Barker. Pages 1234-1236. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Phytoalexins: Efficient Extraction from Leaves by a Facilitated Diffusion Technique. N. T. Keen. Pages 1237-1239. VIEW ABSTRACT | VIEW ARTICLE
Techniques
An Evaluation of Optical Density to Estimate Fungal Spore Concentrations in Water Suspensions. S. C. Morris, P. J. Nicholls. Pages 1240-1242. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Neutralization of Infectivity of Potato Yellow Dwarf Virus and Wound Tumor Virus Assayed on Vector-Cell Monolayers. Ho-Yuan Liu, L. M. Black. Pages 1243-1248. VIEW ABSTRACT | VIEW ARTICLE
