American Phytopathological Society Board & Staff. VIEW ABSTRACT | VIEW ARTICLE
Disease Detection and Losses
Multiple Regression Accounting for Wheat Yield Reduction by Septoria nodorum and Other Pathogens. L. R. Nelson, M. R. Holmes, and B. M. Cunfer. Pages 1375-1379. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Comparative Pathogenicity of Pythium myriotylum and P. irregulare to the Soybean Cultivar Bragg. J. W. Southern, N. C. Schenck, and D. J. Mitchell. Pages 1380-1385. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Susceptibility of Pineapple Cultivars to Fruit Diseases Incited by Penicillium funiculosum and Fusarium moniliforme. K. G. Rohrbach, J. B. Pfeiffer. Pages 1386-1390. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Some Properties of an Isolate of Pea Early-Browning Virus Occurring in Morocco. B. E. L. Lockhart, H. U. Fischer. Pages 1391-1394. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Germination Self-Inhibitor from Cronartium comandrae Aeciospores. Deborah A. Eppstein, F. H. Tainter. Pages 1395-1397. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
The Effect of Osmotic Potential and Specific Ions on Growth of Phytophthora cinnamomi. R. E. Sterne, G. A. Zentmyer, and F. T. Bingham. Pages 1398-1402. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Leakage of Electrolytes and Phenols from Apple Leaves Caused by Virulent and Avirulent Strains of Erwinia amylovora. S. K. Addy. Pages 1403-1405. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Epiphytology of Puccinia striiformis at Five Selected Locations in Oregon During 1968 and 1969. Robert G. Emge, Robert D. Shrum. Pages 1406-1412. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Development of Phytophthora Root Rot of Alfalfa in the Field and the Association of Rhizobium Nodules with Early Root Infections. F. A. Gray, R. B. Hine. Pages 1413-1417. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
The Influence of Osmotic Water Potential on the Linear Growth of Endothia Species. Phil P. Hunter, Gary J. Griffin, and R. Jay Stipes. Pages 1418-1421. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Concentration and Infectivity of Barley Stripe Mosaic Virus in Barley. Manuel K. Palomar, M. K. Brakke. Pages 1422-1426. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Competitive Interaction of Tylenchorhynchus claytoni and Pratylenchus penetrans in Tobacco Roots. John L. McIntyre, P. M. Miller. Pages 1427-1430. VIEW ABSTRACT | VIEW ARTICLE
Vector Relations
Isolation of Cryptoporus volvatus and Fomes pinicola from Dendroctonus pseudotsugae. John D. Castello, Charles Gardner Shaw, and M. M. Furniss. Pages 1431-1434. VIEW ABSTRACT | VIEW ARTICLE
Genetics
Differences Between Compatible Parasite/Host Genotypes Involving the Pm4 Locus of Wheat and the Corresponding Genes in Erysiphe graminis f. sp. tritici. T. J. Martin, A. H. Ellingboe. Pages 1435-1438. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Reaction of Terminal Shoots of Apple Cultivars to Invasion by Erwinia amylovora. Herb S. Aldwinckle, J. L. Preczewski. Pages 1439-1444. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Rating General Resistance on a Single-Plant Basis. W. Q. Loegering, D. A. Sleper, James M. Johnson, and K. H. Asay. Pages 1445-1448. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Verticillium Wilt of the Pistachio Nut Tree: Occurrence in California and Control by Soil Fumigation. L. J. Ashworth, Jr., G. Zimmerman. Pages 1449-1451. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
The Adaptability of the Benomyl-Resistant Population of Cercospora beticola in Northern Greece. C. Dovas, G. Skylakakis, and S. G. Georgopoulos. Pages 1452-1456. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Efficacy of Bactericides and Saprophytic Bacteria in Reducing Colonization and Infection of Pear Flowers by Erwinia amylovora. S. V. Thomson, M. N. Schroth, W. J. Moller, and W. O. Reil. Pages 1457-1459. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Penetration of Selectively Toxic Aromatic Hydrocarbons Into Crown Gall Tumor Cells. Larry W. Moore, Milton N. Schroth. Pages 1460-1465. VIEW ABSTRACT | VIEW ARTICLE
Techniques
A Coconut-Agar Medium for Rapid Detection of Aflatoxin Production by Aspergillus spp. M. T. Lin, J. C. Dianese. Pages 1466-1469. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Improved Purification of Rice Dwarf Virus by the Use of Polyethylene Glycol. Ikuo Kimura. Pages 1470-1474. VIEW ABSTRACT | VIEW ARTICLE
