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Phytopathology February, 1991
Volume 81, Number 2


American Phytopathological Society Board & Staff.  VIEW ABSTRACT  |   VIEW ARTICLE

Letter to the Editor

The Role of Gene-for-Gene Interactions in the Determination of Host Species Specificity. Michèle C. Heath.  Pages 127-130. VIEW ABSTRACT  |   VIEW ARTICLE

Molecular Plant Pathology

Identification of dsRNAs Associated with Soybean Dwarf Virus-Infected Soybean. O. P. Smith, P. L. Hunst, A. D. Hewings, A. L. Stone, S. A. Tolin, and V. D. Damsteegt. Pages 131-134. VIEW ABSTRACT  |   VIEW ARTICLE

Physiology and Biochemistry

Cellular Localization and Characterization of Pectic Enzymes of Erwinia carotovora subsp. atroseptica. Helga L. George, M. S. Mount, and Phyllis M. Berman. Pages 134-139. VIEW ABSTRACT  |   VIEW ARTICLE

Ecology and Epidemiology

Differentiation of Pseudorecombinants of Two Cucumber Mosaic Virus Strains by Biological Properties and Aphid Transmission. Thomas A. Zitter, Dennis Gonsalves. Pages 139-143. VIEW ABSTRACT  |   VIEW ARTICLE

Ecology and Epidemiology

Spatial and Temporal Aspects of Epidemics of Cylindrocladium Black Rot in Resistant and Susceptible Peanut Genotypes. A. K. Culbreath, M. K. Beute, and C. L. Campbell. Pages 144-150. VIEW ABSTRACT  |   VIEW ARTICLE

Vector Relations

Transmission of Potato Leafroll Virus from Plants and Artificial Diets by Myzus persicae. J. F. J. M. van den Heuvel, T. M. Boerma, and D. Peters. Pages 150-154. VIEW ABSTRACT  |   VIEW ARTICLE

Postharvest Pathology and Mycotoxins

Invasiveness of Aspergillus flavus Isolates in Wounded Cotton Bolls is Associated with Production of a Specific Fungal Polygalacturonase. T. E. Cleveland, P. J. Cotty. Pages 155-158. VIEW ABSTRACT  |   VIEW ARTICLE

Genetics

Vegetative Compatibility Groups in Fusarium oxysporum f. sp. lycopersici. Karol S. Elias, R. W. Schneider. Pages 159-162. VIEW ABSTRACT  |   VIEW ARTICLE

Disease Control and Pest Management

Formulation of a Soil Amendment to Control Damping-off of Slash Pine Seedlings. J. W. Huang, E. G. Kuhlman. Pages 163-170. VIEW ABSTRACT  |   VIEW ARTICLE

Disease Control and Pest Management

Mechanisms Inhibiting Damping-off Pathogens of Slash Pine Seedlings with a Formulated Soil Amendment. J. W. Huang, E. G. Kuhlman. Pages 171-177. VIEW ABSTRACT  |   VIEW ARTICLE

Ecology and Epidemiology

Relationship Between Inoculum Level of Phytophthora capsici and Mortality of Pepper. J. H. Bowers, D. J. Mitchell. Pages 178-184. VIEW ABSTRACT  |   VIEW ARTICLE

Disease Detection and Losses

Preparation and Characterization of Monoclonal Antibodies to Double-Stranded RNA. C. A. Powell. Pages 184-187. VIEW ABSTRACT  |   VIEW ARTICLE

Ecology and Epidemiology

Grape Cluster Architecture and the Susceptibility of Berries to Botrytis cinerea. M. E. Vail, J. J. Marois. Pages 188-191. VIEW ABSTRACT  |   VIEW ARTICLE

Disease Detection and Losses

Phenotypic Comparison of Puccinia carduorum from Carduus thoermeri, C. tenuiflorus, and C. pycnocephalus. W. L. Bruckart, G. L. Peterson. Pages 192-197. VIEW ABSTRACT  |   VIEW ARTICLE

Ecology and Epidemiology

Sporulation of Uncinula necator on Grape Leaves as Influenced by Temperature and Cultivar. D. O. Chellemi, J. J. Marois. Pages 197-201. VIEW ABSTRACT  |   VIEW ARTICLE

Physiology and Biochemistry

An In Vitro System for Studying the Effects of Pythium ultimum Metabolites on Pelargonium × hortorum. H. Desilets, R. R. Bélanger. Pages 202-206. VIEW ABSTRACT  |   VIEW ARTICLE

Ecology and Epidemiology

Effects of Temperature and Duration of Surface Wetness on Spore Production and Infection of Cucumbers by Didymella bryoniae. Carol J. Arny, Randall C. Rowe. Pages 206-209. VIEW ABSTRACT  |   VIEW ARTICLE

Etiology

Characterization of an Ilarvirus Associated with a Necrotic Shock Reaction in Blueberry. S. G. MacDonald, R. R. Martin, and P. R. Bristow. Pages 210-214. VIEW ABSTRACT  |   VIEW ARTICLE

Physiology and Biochemistry

Induction of Bean PR-4d-Type Protein in Divergent Plant Species After Infection with Tobacco Ringspot Virus and Its Relationship with Tobacco PR-5. O. P. Sehgal, Rose Rieger, and F. Mohamed. Pages 215-219. VIEW ABSTRACT  |   VIEW ARTICLE

Ecology and Epidemiology

A Bacteriophage-Typing System for Surveying the Diversity and Distribution of Strains of Erwinia carotovora in Potato Fields. D. C. Gross, M. L. Powelson, K. M. Regner, and G. K. Radamaker. Pages 220-226. VIEW ABSTRACT  |   VIEW ARTICLE

Etiology

Properties and Cytopathology of Diodia Vein Chlorosis Virus—A New Whitefly-Transmitted Virus. R. C. Larsen, K. S. Kim, and H. A. Scott. Pages 227-232. VIEW ABSTRACT  |   VIEW ARTICLE

Disease Detection and Losses

Effect of Rust on Yield and Digestibility of Pearl Millet Forage. Jeffrey P. Wilson.  Pages 233-236. VIEW ABSTRACT  |   VIEW ARTICLE