American Phytopathological Society Board & Staff. VIEW ABSTRACT | VIEW ARTICLE
Letter to the Editor
The Rationale for the Horsfall-Barratt Plant Disease Assessment Scale. T. T. Hebert. Pages 1269. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Effects of Free Moisture, Head Development, and Embryo Accessibility on Infection of Wheat by Ustilago tritici. R. Loria, M. V. Wiese, and A. L. Jones. Pages 1270-1272. VIEW ABSTRACT | VIEW ARTICLE
Cytology and Histology
Progressive Stages of Discoloration and Decay Associated with the Canker-Rot Fungus, Inonotus obliquus, in Birch. Robert A. Blanchette. Pages 1272-1277. VIEW ABSTRACT | VIEW ARTICLE
Disease Detection and Losses
Evaluating a Crop Loss Model for Head Smut of Sorghum. D. M. Tuleen, R. A. Frederiksen. Pages 1278-1280. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Changes in Conidia of Monilinia fructicola in Response to Incubation Temperature. Douglas J. Phillips. Pages 1281-1283. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Isolation and Characterization of Inner and Outer Membranes of Xanthomonas campestris pv. campestris. J. C. Dianese, N. W. Schaad. Pages 1284-1289. VIEW ABSTRACT | VIEW ARTICLE
Vector Relations
Coated-Vesicle Transport of Luteoviruses Through Salivary Glands of Myzus persicae. F. E. Gildow. Pages 1289-1296. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
The Effect of Fallow Periods on Common Root Rot of Wheat in Rio Grande do Sul, Brazil. J. A. Diehl, R. D. Tinline, R. A. Kochhann, P. J. Shipton, and A. D. Rovira. Pages 1297-1301. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
A Statistical Model of Fungicide Deposition on Potato Foliage. J. A. Bruhn, W. E. Fry. Pages 1301-1305. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
A Mathematical Model of the Spatial and Temporal Dynamics of Chlorothalonil Residues on Potato Foliage. J. A. Bruhn, W. E. Fry. Pages 1306-1312. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Purification and Properties of an Isolate of Maize Rayado Fino Virus from the United States. R. E. Gingery, D. T. Gordon, and L. R. Nault. Pages 1313-1318. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Relation Between Production of Extracellular Kievitone Hydratase by Isolates of Fusarium and Their Pathogenicity on Phaseolus vulgaris. D. A. Smith, J. M. Harrer, and T. E. Cleveland. Pages 1319-1323. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Infection of Wheat by Cephalosporium gramineum as Influenced by Freezing of Roots. J. E. Bailey, J. L. Lockwood, and M. V. Wiese. Pages 1324-1328. VIEW ABSTRACT | VIEW ARTICLE
Postharvest Pathology and Mycotoxins
Synergy Between a Benzimidazole-Sensitive Isolate and Benzimidazole-Resistant Isolates of Penicillium digitatum. B. L. Wild, J. W. Eckert. Pages 1329-1332. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Competition Between Ergots of Claviceps purpurea and Rye Seed for Photosynthates. C. W. Bacon, E. S. Luttrell. Pages 1332-1336. VIEW ABSTRACT | VIEW ARTICLE
Postharvest Pathology and Mycotoxins
Synergism of Geotrichum candidum and Penicillium digitatum in Infected Citrus Fruit. S. C. Morris. Pages 1336-1339. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Effects of Some Weather Factors and Fusicladium effusum Conidium Dispersal on Pecan Scab Occurrence. A. J. Latham. Pages 1339-1345. VIEW ABSTRACT | VIEW ARTICLE
Disease Detection and Losses
Ilar-Like Characteristics of American Plum Line Pattern Virus and Its Serological Detection in Prunus. Robert W. Fulton. Pages 1345-1348. VIEW ABSTRACT | VIEW ARTICLE
Physiology and Biochemistry
Identification and Effects on Xanthomonas campestris pv. malvacearum of Two Phytoalexins from Leaves and Cotyledons of Resistant Cotton. Margaret Essenberg, Mary d'Arcy Doherty, Betty K. Hamilton, Veronica T. Henning, Ellen C. Cover, Steve J. McFaul, and William M. Johnson. Pages 1349-1356. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Relation of Kretzschmaria clavus to Hypoxyloid Stromata on Diseased Macadamia Tissues. W. H. Ko, W. C. Ho, and R. K. Kunimoto. Pages 1357-1358. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Rate of Spread of Ceratocystis wageneri in Ponderosa Pine Stands in the Central Sierra Nevada. F. W. Cobb, Jr., G. W. Slaughter, D. L. Rowney, and C. J. DeMars. Pages 1359-1362. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Virulence Factors of Bremia lactucae in New York. J. E. Yuen, J. W. Lorbeer. Pages 1363-1367. VIEW ABSTRACT | VIEW ARTICLE
Genetics
Heterothallism in Sclerospora graminicola. R. W. Michelmore, M. N. Pawar, and R. J. Williams. Pages 1368-1372. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Calculation of Apparent Infection Rate in Plant Diseases: Development of a Method to Correct for Host Growth. Ajjamada C. Kushalappa, Artémio Ludwig. Pages 1373-1377. VIEW ABSTRACT | VIEW ARTICLE
Disease Control and Pest Management
Parasitism of the Nematode Criconemella xenoplax by the Fungus Hirsutella rhossiliensis. B. A. Jaffee, E. I. Zehr. Pages 1378-1381. VIEW ABSTRACT | VIEW ARTICLE