American Phytopathological Society Board & Staff. VIEW ABSTRACT | VIEW ARTICLE
Letter to the Editor
Durable Resistance: Definition of, Genetic Control, and Attainment in Plant Breeding. Roy Johnson. Pages 567-568. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Factors Affecting Trichoderma hamatum Applied to Seeds as a Biocontrol Agent. G. E. Harman, I. Chet, and R. Baker. Pages 569-572. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Characterization of a Tombusvirus Isolated from Eggplant. K. M. Makkouk, R. Koenig, and D.-E. Lesemann. Pages 572-577. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Effect of Temperature, Dew Period, and Age of Leaves, Spores, and Source Pustules on Germination of Bean Rust Urediospores. Martin W. Imhoff, C. E. Main, and K. J. Leonard. Pages 577-583. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Production and Dispersal of Ascospores and Conidia by Physalospora obtusa and Botryosphaeria dothidea in Apple Orchards. T. B. Sutton. Pages 584-589. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Development of a Powder Formulation of Rhizobacteria for Inoculation of Potato Seed Pieces. J. W. Kloepper, M. N. Schroth. Pages 590-592. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Variation in Virulence in Isolates of Septoria nodorum. Rebeca C. Rufty, T. T. Hebert, and C. F. Murphy. Pages 593-596. VIEW ABSTRACT | VIEW ARTICLE
Techniques
A Rapid Staining Method for Erysiphe graminis f. sp. hordei in and on Whole Barley Leaves with a Protein-Specific Dye. Gerhard Wolf, Friedrich Frič. Pages 596-598. VIEW ABSTRACT | VIEW ARTICLE
Vector Relations
Inoculation of the Aphids Hyperomyzus lactucae and Chaetosiphon jacobi with Isolates of Sowthistle Yellow Vein Virus and Strawberry Crinkle Virus. Edward S. Sylvester, Jean Richardson. Pages 598-602. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Characterization of a Potyvirus Causing a Leaf Distortion Disease of Tradescantia and Zebrina Species. B. E. Lockhart, Jean Ann Betzold, and F. L. Pfleger. Pages 602-604. VIEW ABSTRACT | VIEW ARTICLE
Disease Detection and Losses
Sugar and Root Yield of Sugar Beets as Affected by Bacterial Vascular Necrosis and Rot, Nitrogen Fertilization, and Plant Spacing. S. V. Thomson, F. J. Hills, E. D. Whitney, and M. N. Schroth. Pages 605-608. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Some Components of Slow-Blasting Resistance in Rice. R. L. Villareal, R. R. Nelson, D. R. MacKenzie, and W. R. Coffman. Pages 608-611. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Analysis of Potato Late Blight Epidemiology by Simulation Modeling. J. A. Bruhn, W. E. Fry. Pages 612-616. VIEW ABSTRACT | VIEW ARTICLE
Cytology and Histology
Electron Microscope Study of Race-Specific and Age-Related Resistant and Susceptible Reactions of Soybeans to Phytophthora megasperma var. sojae. P. Stössel, G. Lazarovits, and E. W. B. Ward. Pages 617-623. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Resistance of Selected Potato Cultivars and Clones to Fusarium Dry Rot. S. S. Leach, R. E. Webb. Pages 623-629. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Effects of Exogenous Nutrients and Inoculum Quantity on the Virulence of Pythium ultimum to Cotton Hypocotyls. L. F. Johnson, Chin-Chu Hsieh, and E. D. Sutherland. Pages 629-632. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Effect of Resistance on Growth of Cercospora beticola Race C2 on the Leaf Surface and within Leaf Tissue of Sugar Beet. E. D. Whitney, N. F. Mann. Pages 633-638. VIEW ABSTRACT | VIEW ARTICLE
Genetics
Use of P-1 Incompatibility Group Plasmids to Introduce Transposons into Pseudomonas solanacearum. Christian Boucher, Brigitte Message, Danièle Debieu, and Claudine Zischek. Pages 639-642. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Plant Growth-Promoting Rhizobacteria and Plant Growth Under Gnotobiotic Conditions. J. W. Kloepper, M. N. Schroth. Pages 642-644. VIEW ABSTRACT | VIEW ARTICLE
Cytology and Histology
Effects of Light Intensity, Photoperiod, and Temperature on Symptom Expression and Host and Virus Ultrastructure in Saponaria vaccaria Infected with Carnation Etched Ring Virus. S. S. Hearon, R. H. Lawson. Pages 645-652. VIEW ABSTRACT | VIEW ARTICLE
Genetics
Inheritance of Virulence and Uredial Color and Size in Puccinia recondita tritici. G. D. Statler, D. A. Jones. Pages 652-655. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Infection Courts and Systemic Movement of 32P-Labeled Erwinia amylovora in Apple Petioles and Stems. C. G. Suhayda, R. N. Goodman. Pages 656-660. VIEW ABSTRACT | VIEW ARTICLE
Disease Detection and Losses
Incidence, Severity, and Growth Effects of Heterobasidion annosum in Unthinned Loblolly Pine Plantations. R. S. Webb, S. A. Alexander, and J. M. Skelly. Pages 661-662. VIEW ABSTRACT | VIEW ARTICLE
