American Phytopathological Society Board & Staff. VIEW ABSTRACT | VIEW ARTICLE
Letter to the Editor
Responses of Plants to Viruses: Proposals for the Use of Terms. J. I. Cooper, A. T. Jones. Pages 127-128. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Morphological Differentiation of Host-Specialized Groups of Phytophthora megasperma. E. M. Hansen, P. B. Hamm. Pages 129-134. VIEW ABSTRACT | VIEW ARTICLE
Special Topics
Effects of Growth Medium and Fertilizer Rate on the Yield Response of Soybeans Exposed to Chronic Doses of Ozone. A. S. Heagle, M. B. Letchworth, and Cindy A. Mitchell. Pages 134-139. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Influence of Temperature and Rainfall on the Development of Tobacco Black Shank. W. R. Jacobi, C. E. Main, and N. T. Powell. Pages 139-143. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Analysis of Symptoms on Spring and Winter Wheat Cultivars Inoculated with Different Isolates of Septoria nodorum. A. L. Scharen, Z. Eyal. Pages 143-147. VIEW ABSTRACT | VIEW ARTICLE
Special Topics
Influence of Nutrition on the Formation of Basidia and Basidiospores in Thanatephorus cucumeris. Gerard C. Adams, Jr., Edward E. Butler. Pages 147-151. VIEW ABSTRACT | VIEW ARTICLE
Special Topics
Environmental Factors Influencing the Formation of Basidia and Basidiospores in Thanatephorus cucumeris. Gerard C. Adams, Jr., Edward E. Butler. Pages 152-155. VIEW ABSTRACT | VIEW ARTICLE
Genetics
Mating Behavior of Japanese Isolates of Pyricularia oryzae. S. Itoi, T. Mishima, S. Arase, and M. Nozu. Pages 155-158. VIEW ABSTRACT | VIEW ARTICLE
Resistance
A New Gene for Resistance to Bremia lactucae. J. E. Yuen, J. W. Lorbeer. Pages 159-162. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Isolation of Agrobacterium tumefaciens Biovar 3 from Grapevine Galls and Sap, and from Vineyard Soil. T. J. Burr, B. H. Katz. Pages 163-165. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Predicting Development of Epidemics on Cultivar Mixtures. Hanne Østergaard. Pages 166-172. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Illusions in Visual Assessment of Stagonospora Leaf Spot of Orchardgrass. R. T. Sherwood, C. C. Berg, M. R. Hoover, and K. E. Zeiders. Pages 173-177. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Serological Analysis of Pseudomonas syringae pv. tomato. H. B. Fackrell, R. C. Sinha. Pages 178-181. VIEW ABSTRACT | VIEW ARTICLE
Genetics
Reactions of Sugar Beet to Powdery Mildew: Genetic Variation, Association Among Testing Procedures, and Resistance Breeding. E. D. Whitney, R. T. Lewellen, and I. O. Skoyen. Pages 182-185. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Quantitative Immunoelectrophoresis of Panicum Mosaic Virus and Strains of St. Augustine Decline. P. H. Berger, R. W. Toler. Pages 185-189. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Improved Purification of Two Potato Carlaviruses. S. M. Tavantzis. Pages 190-194. VIEW ABSTRACT | VIEW ARTICLE
Etiology
A Previously Undescribed Nepovirus Isolated from Potato in Peru. R. A. C. Jones, C. E. Fribourg, and R. Koenig. Pages 195-198. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Stimulation of Sexual Reproduction in the A2 Mating Type of Phytophthora cinnamomi by Oleic Acid and Lipids from Avocado Roots. A. I. Zaki, G. A. Zentmyer, J. J. Sims, and N. T. Keen. Pages 199-203. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Edaphic Parameters Associated with Shore Juniper Decline. Deborah R. Fravel, D. M. Benson, and R. I. Bruck. Pages 204-207. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Effect of Soil Water Matric Potential on Resistance to Fusarium oxysporum f. sp. medicaginis in Alfalfa. Gary Emberger, Ronald E. Welty. Pages 208-212. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Water Relations in Cotton Plants Infected with Phymatotrichum. M. W. Olsen, I. J. Misaghi, D. Goldstein, and R. B. Hine. Pages 213-216. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Effect of Seed Piece Inoculation with Plant Growth-Promoting Rhizobacteria on Populations of Erwinia carotovora on Potato Roots and in Daughter Tubers. J. W. Kloepper. Pages 217-219. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Selective Isolation and Enumeration of Laetisaria arvalis from Soil. G. C. Papavizas, B. B. Morris, and J. J. Marois. Pages 220-223. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Evaluation of Two-Dimensional Polyacrylamide Gel Electrophoresis of Acidic Proteins of Ribosome Preparations for Identifying Plant Pathogenic Soft-Rotting Bacteria. H. E. Moline, K. S. Johnson, and J. D. Anderson. Pages 224-227. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Microbial Antagonism to the Imperfect Stage of the Apple Scab Pathogen, Venturia inaequalis. John H. Andrews, Flora M. Berbee, and Erik V. Nordheim. Pages 228-234. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Growth and Zoospore Germination of Phytophthora spp. on P10VP Agar with Hymexazol. F. C. S. Tay, K. Nandapalan, and E. M. Davison. Pages 234-240. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Technique for Long-Term Preservation of Phytopathogenic Fungi in Liquid Nitrogen. H. Dahmen, Th. Staub, and F. J. Schwinn. Pages 241-246. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Genetic Factors Conditioning Slow Rusting in Era Wheat. J. M. S. Martinez-Gonzalez, Roy D. Wilcoxson, D. D. Stuthman, D. V. McVey, and R. H. Busch. Pages 247-249. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Differential Effect of Light on Spore Germination of Exserohilum turcicum on Corn Leaves and Corn Leaf Impressions. Yehouda Levy, Yigal Cohen. Pages 249-252. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Components of Resistance to Puccinia arachidis in Peanuts. P. Subrahmanyam, D. McDonald, R. W. Gibbons, and P. V. Subba Rao. Pages 253-256. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Saprophytic Development of Pythium ultimum in Soil as a Function of Water Matric Potential and Temperature. R. Lifshitz, J. G. Hancock. Pages 257-261. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Role of the Hypodermis and Secondary Cell Wall Thickening in Basal Stem Internodes in Resistance to Strawbreaker Foot Rot in Winter Wheat. T. D. Murray, G. W. Bruehl. Pages 261-268. VIEW ABSTRACT | VIEW ARTICLE
Genetics
Genetic Analysis of Cucumber Mosaic Virus in Relation to Host Resistance: Location of Determinants for Pathogenicity to Certain Legumes and Lactuca saligna. Michael C. Edwards, Dennis Gonsalves, and Rosario Provvidenti. Pages 269-273. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
The Role of Microorganisms in the Suppression of Rhizoctonia solani in Container Media Amended with Composted Hardwood Bark. E. B. Nelson, H. A. J. Hoitink. Pages 274-278. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Effects of Organic Components in Container Media on Suppression of Fusarium Wilt of Chrysanthemum and Flax. D. G. Chef, H. A. J. Hoitink, and L. V. Madden. Pages 279-281. VIEW ABSTRACT | VIEW ARTICLE
Postharvest Pathology and Mycotoxins
Effect of Different Atmospheres on Postharvest Decay and Quality of Fresh Strawberries. M. K. El-Kazzaz, N. F. Sommer, and R. J. Fortlage. Pages 282-285. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Cultural Techniques and Conditions Influencing Growth and Sporulation of Cercospora zeae-maydis and Lesion Development in Corn. Peter M. Beckman, Gary A. Payne. Pages 286-289. VIEW ABSTRACT | VIEW ARTICLE
Cytology and Histology
Cytoplasmic Cylindrical and Nucleolar Inclusions Induced by Potato Virus-A. J. R. Edwardson, R. G. Christie. Pages 290-293. VIEW ABSTRACT | VIEW ARTICLE
Special Topics
The Relationship of Some Elsinoë and Sphaceloma Species Pathogenic on Cassava and Other Euphorbiaceae in Central and South America. R. S. Zeigler, J. C. Lozano. Pages 293-300. VIEW ABSTRACT | VIEW ARTICLE
Techniques
A Test for Randomness of Infection by Soilborne Pathogens. Christopher A. Gilligan. Pages 300-303. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Host Specialization of Heterobasidion annosum. J. J. Worrall, J. R. Parmeter, Jr., and F. W. Cobb, Jr.. Pages 304-307. VIEW ABSTRACT | VIEW ARTICLE | VIEW ERRATUM
Ecology and Epidemiology
Development of a Simple Mechanistic Model of Cereal Rust Progress. Richard A. Fleming. Pages 308-312. VIEW ABSTRACT | VIEW ARTICLE
Symposium: Deterioration Mechanisms in Seeds
Introduction. D. C. McGee. Pages 314-315. VIEW ABSTRACT | VIEW ARTICLE
Symposium: Deterioration Mechanisms in Seeds
Lipid Degradation During Seed Deterioration. Allen J. St. Angelo, Robert L. Ory. Pages 315-317. VIEW ABSTRACT | VIEW ARTICLE
Symposium: Deterioration Mechanisms in Seeds
Protein Degradation During Seed Deterioration. John P. Cherry. Pages 317-321. VIEW ABSTRACT | VIEW ARTICLE
Symposium: Deterioration Mechanisms in Seeds
Deterioration of Seeds During Aging. James D. Anderson, James E. Baker. Pages 321-325. VIEW ABSTRACT | VIEW ARTICLE
Symposium: Deterioration Mechanisms in Seeds
Mechanisms of Seed Infection and Pathogenesis. G. E. Harman. Pages 326-329. VIEW ABSTRACT | VIEW ARTICLE
Symposium: Deterioration Mechanisms in Seeds
Insect-Fungus Associations Influencing Seed Deterioration. J. T. Mills. Pages 330-335. VIEW ABSTRACT | VIEW ARTICLE
Symposium: Deterioration Mechanisms in Seeds
Deterioration Resistance Mechanisms in Seeds. J. M. Halloin. Pages 335-339. VIEW ABSTRACT | VIEW ARTICLE
Discussion: Fastidious Prokaryotes as Plant Pathogens
Introduction. Robert E. Davis. Page 341. VIEW ABSTRACT | VIEW ARTICLE
Discussion: Fastidious Prokaryotes as Plant Pathogens
Properties and Relationships of Two Xylem-Limited Bacteria and a Mycoplasmalike Organism Infecting Bermuda Grass. M. J. Davis, R. H. Lawson, A. G. Gillaspie, Jr., and R. W. Harris. Pages 341-346. VIEW ABSTRACT | VIEW ARTICLE
Discussion: Fastidious Prokaryotes as Plant Pathogens
Gram-Negative, Xylem-Limited Bacteria in Plant Disease. D. L. Hopkins. Pages 347-350. VIEW ABSTRACT | VIEW ARTICLE
Discussion: Fastidious Prokaryotes as Plant Pathogens
Current Status of the Etiology of Pear Decline. Boligala C. Raju, George Nyland, and Alexander H. Purcell. Pages 350-353. VIEW ABSTRACT | VIEW ARTICLE
Discussion: Fastidious Prokaryotes as Plant Pathogens
Brittle Root of Horseradish in Illinois and the Distribution of Spiroplasma citri in the United States. Jacqueline Fletcher. Pages 354-357. VIEW ABSTRACT | VIEW ARTICLE
Discussion: Fastidious Prokaryotes as Plant Pathogens
Evidence for a Mixed Infection of Spiroplasmas and Nonhelical Mycoplasmalike Organisms in Cherry with X-Disease. J. W. Kloepper, D. G. Garrott. Pages 357-360. VIEW ABSTRACT | VIEW ARTICLE
Annual Meeting Abstracts
Abstracts of the Annual Meeting of the Northeastern Division of the APS. Pages 361-378. VIEW ABSTRACT | VIEW ARTICLE
