American Phytopathological Society Board & Staff. VIEW ABSTRACT | VIEW ARTICLE
Obituary
A. J. P. Oort, 1903-1987. J. Dekker. Page 1369. VIEW ABSTRACT | VIEW ARTICLE
Obituary
Charles Leonard Fergus, 1917-1986. Richard D. Schein. Page 1370. VIEW ABSTRACT | VIEW ARTICLE
Genetics
Inheritance of Leaf and Head Resistance of Winter Wheat to Septoria nodorum in a Diallel Cross. P. M. Fried, E. Meister. Pages 1371-1375. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Relative Mean Squared Error and Cost Considerations in Choosing Group Size for Group Testing to Estimate Infection Rates and Probabilities of Disease Transmission. William H. Swallow. Pages 1376-1381. VIEW ABSTRACT | VIEW ARTICLE
Genetics
Genetics of Virulence in Californian Populations of Bremia lactucae (Lettuce Downy Mildew). T. W. Ilott, M. E. Durgan, and R. W. Michelmore. Pages 1381-1386. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Selective Medium for Isolating Sphaeropsis sapinea. W. J. Swart, M. J. Wingfield, and P. S. Knox-Davies. Pages 1387-1389. VIEW ABSTRACT | VIEW ARTICLE
Techniques
An Improved Agar Plating Assay for Detecting Pseudomonas syringae pv. syringae and P. s. pv. phaseolicola in Contaminated Bean Seed. S. K. Mohan, N. W. Schaad. Pages 1390-1395. VIEW ABSTRACT | VIEW ARTICLE
Genetics
The Concept and Measurement of Phenotypic Diversity in Puccinia graminis on Wheat. J. V. Groth, A. P. Roelfs. Pages 1395-1399. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Population Dynamics of Pseudomonas syringae pv. syringae on Spring Wheat. W. W. Shane, J. S. Baumer. Pages 1399-1405. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Use of Two- and Three-Way Mixtures to Prevent Buildup of Resistance to Phenylamide Fungicides in Phytophthora and Plasmopara. Yair Samoucha, Ulrich Gisi. Pages 1405-1409. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Analysis of Spatial Patterns of Virus-Diseased Tobacco Plants. L. V. Madden, T. P. Pirone, and B. Raccah. Pages 1409-1417. VIEW ABSTRACT | VIEW ARTICLE
Cytology and Histology
Histopathology of Sweet Potato Root Infection by Streptomyces ipomoea. C. A. Clark, Sharon W. Matthews. Pages 1418-1423. VIEW ABSTRACT | VIEW ARTICLE
Etiology
A Root-Specific Decay of Grapevine Caused by Agrobacterium tumefaciens and A. radiobacter Biovar 3. T. J. Burr, A. L. Bishop, B. H. Katz, L. M. Blanchard, and C. Bazzi. Pages 1424-1427. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Cytopathology of Leafroll-Diseased Grapevines and the Purification and Serology of Associated Closteroviruslike Particles. F. Zee, D. Gonsalves, A. Goheen, K. S. Kim, R. Pool, and R. F. Lee. Pages 1427-1434. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
The Effects of Infections by Pyrenophora Teres and Barley Yellow Dwarf Virus on the Freezing Hardiness of Winter Barley. L. M. Delserone, H. Cole, Jr., and J. A. Frank. Pages 1435-1437. VIEW ABSTRACT | VIEW ARTICLE
Disease Detection and Losses
Sulfur Accumulation in Red Maple Leaves Exposed to Sulfur Dioxide. C. R. Krause, L. S. Dochinger. Pages 1438-1441. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Deposition Gradients of Urediniospores of Puccinia recondita Near a Source. Donald E. Aylor. Pages 1442-1448. VIEW ABSTRACT | VIEW ARTICLE | VIEW ERRATUM
Ecology and Epidemiology
Lack of Evidence for In Situ Fluorescent Pigment Production by Pseudomonas syringae pv. syringae on Bean Leaf Surfaces. Joyce E. Loper, Steven E. Lindow. Pages 1449-1454. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
The Influence of Common Root Rot on Net Blotch of Winter Barley. J. A. Frank, H. Cole, Jr.. Pages 1454-1457. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Bacterial Stem Rot of Greenhouse Tomato: Etiology, Spatial Distribution, and the Effect of High Humidity. B. N. Dhanvantari, V. A. Dirks. Pages 1457-1463. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Induced Salivation in Plant-Parasitic Nematodes. Michael A. McClure, N. von Mende. Pages 1463-1469. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Factors Influencing Antagonism of Chaetomium globosum to Venturia inaequalis: A Case Study in Failed Biocontrol. Mark A. Boudreau, John H. Andrews. Pages 1470-1475. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Enhancing Detection of Phytophthora cactorum in Naturally Infested Soil. S. N. Jeffers, H. S. Aldwinckle. Pages 1475-1482. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Enniatin Production by Fusarium tricinctum and its Effect on Germinating Wheat Seeds. H. R. Burmeister, R. D. Plattner. Pages 1483-1487. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Xenoparasite-Nonhost Reactions in Puccinia-Gramineae Pathosystems. H. H. Luke, R. D. Barnett, and P. L. Pfahler. Pages 1488-1491. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Double-Stranded RNA in Strawberry Plants Infected with Strawberry Mild Yellow-Edge Virus. Sara Spiegel. Pages 1492-1494. VIEW ABSTRACT | VIEW ARTICLE