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Phytopathology August, 1993
Volume 83, Number 8

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

Ecology and Epidemiology

Dispersive Epidemic Waves: I. Focus Expansion within a Linear Planting. Francis J. Ferrandino. Pages 795-802. VIEW ABSTRACT  |   VIEW ARTICLE


Stable Virulence Against the Tomato Resistance Mi Gene in the Parthenogenetic Root-Knot Nematode Meloidogyne incognita. Philippe Castagnone -Sereno, Michel Bongiovanni, and Antoine Dalmasso. Pages 803-805. VIEW ABSTRACT  |   VIEW ARTICLE

Ecology and Epidemiology

Assessing the Accuracy, Intra-rater Repeatability, and Inter-rater Reliability of Disease Assessment Systems. F. W. Nutter, Jr., M. L. Gleason, J. H. Jenco, and N. C. Christians. Pages 806-812. VIEW ABSTRACT  |   VIEW ARTICLE

Postharvest Pathology and Mycotoxins

Calcium-Dependent Pectate Lyase Production in the Soft-Rotting Bacterium Pseudomonas fluorescens. C.-H. Liao, D. E. McCallus, and J. M. Wells. Pages 813-818. VIEW ABSTRACT  |   VIEW ARTICLE

Molecular Plant Pathology

Heterologous Resistance to Potato Virus Y in Transgenic Tobacco Plants Expressing the Coat Protein Gene of Lettuce Mosaic Potyvirus. Sylvie Dinant, Françoise Blaise, Chantal Kusiak, Suzanne Astier-Manifacier, and Josette Albouy. Pages 818-824. VIEW ABSTRACT  |   VIEW ARTICLE

Ecology and Epidemiology

Seasonal Infection of Nonwounded Peach Bark by Botryosphaeria dothidea. P. Lawrence Pusey, Paul F. Bertrand. Pages 825-829. VIEW ABSTRACT  |   VIEW ARTICLE


Genetic Relatedness of Mycoplasmalike Organisms Detected in Ulmus spp. in the United States and Italy by Means of DNA Probes and Polymerase Chain Reactions. I. -M. Lee, R. E. Davis, W. A. Sinclair, N. D. DeWitt, and M. Conti. Pages 829-833. VIEW ABSTRACT  |   VIEW ARTICLE

Molecular Plant Pathology

Universal Amplification and Analysis of Pathogen 16S rDNA for Classification and Identification of Mycoplasmalike Organisms. I.-M. Lee, R. W. Hammond, R. E. Davis, and D. E. Gundersen. Pages 834-842. VIEW ABSTRACT  |   VIEW ARTICLE

Cytology and Histology

Infection of Maize Stigmas by Ustilago maydis: Light and Electron Microscopy. K. M. Snetselaar, C. W. Mims. Pages 843-850. VIEW ABSTRACT  |   VIEW ARTICLE


Resistance to Benomyl Conferred by Mutations in Codon 198 or 200 of the Beta-Tubulin Gene of Neurospora crassa and Sensitivity to Diethofencarb Conferred by Codon 198. Harrie Koenraadt, A. L. Jones. Pages 850-854. VIEW ABSTRACT  |   VIEW ARTICLE

Ecology and Epidemiology

Characterization of Populations of Rhizoctonia solani AG-3 from Potato and Tobacco. J. Stevens Johnk, R. K. Jones, H. D. Shew, and D. E. Carling. Pages 854-858. VIEW ABSTRACT  |   VIEW ARTICLE

Vector Relations

Factors Limiting the Transmission of a Xylem-Inhabiting Bacterium Clavibacter xyli subsp. cynodontis to Grasses by Insects. Raymond V. Barbehenn, Alexander H. Purcell. Pages 859-863. VIEW ABSTRACT  |   VIEW ARTICLE


Isozyme Variation and Genetic Relatedness in Binucleate Rhizoctonia Species. M. Damaj, S. H. Jabaji-Hare, and P.-M. Charest. Pages 864-871. VIEW ABSTRACT  |   VIEW ARTICLE

Disease Control and Pest Management

In Vitro and in Vivo Effects of Pseudomonas spp. on Pythium aphanidermatum: Zoospore Behavior in Exudates and on the Rhizoplane of Bacteria-Treated Cucumber Roots. T. Zhou, T. C. Paulitz. Pages 872-876. VIEW ABSTRACT  |   VIEW ARTICLE

Physiology and Biochemistry

Mechanism of Electrotaxis of Zoospores of Phytopathogenic Fungi. B. M. Morris, N. A. R. Gow. Pages 877-882. VIEW ABSTRACT  |   VIEW ARTICLE

Annual Meeting Abstracts

Abstracts of the Annual Meeting of the North Central Division of the APS. Pages 883-887. VIEW ABSTRACT  |   VIEW ARTICLE