American Phytopathological Society Board & Staff. VIEW ABSTRACT | VIEW ARTICLE
Letter to the Editor
A Distribution-Free Method of Estimating the Effect of Aggregated Plant Damage on Crop Yield. Francis J. Ferrandino. Pages 1229-1232. VIEW ABSTRACT | VIEW ARTICLE
Letter to the Editor
Nomenclature of Races of Puccinia helianthi and Designation of Genes for Rust Resistance in Sunflowers. W. E. Sackston and N. V. Rama R. Urs. Page 1232. VIEW ABSTRACT | VIEW ARTICLE
Disease Detection and Losses
A Multiple Regression Model to Estimate the Contributions of Leaves and the Effects of Leaf Rust on Yield of Winter Wheat. K. V. Subba Rao, X. B. Yang, G. T. Berggren, and J. P. Snow. Pages 1233-1238. VIEW ABSTRACT | VIEW ARTICLE
Techniques
An Indirect Enzyme-Linked Immunosorbent Assay for Measurement of Abscisic Acid in Soybean Inoculated with Phytophthora megasperma f. sp. glycinea. D. M. Cahill, E. W. B. Ward. Pages 1238-1242. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Analysis of Epidemics of Northern Leaf Blight on Sweet Corn in Israel. Yehouda Levy. Pages 1243-1245. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Control of Plant Diseases by Chitinase Expressed from Cloned DNA in Escherichia coli. Roni Shapira, Arie Ordentlich, Ilan Chet, and Amos B. Oppenheim. Pages 1246-1249. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Cloning of Four Plant Viruses from Small Quantities of Double-Stranded RNA. Wilhelm Jelkmann, Robert R. Martin, and Edgar Maiss. Pages 1250-1253. VIEW ABSTRACT | VIEW ARTICLE
Special Topics
Electrophoretic Variability Among Dianthoviruses. H. R. Pappu, C. Hiruki. Pages 1253-1257. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Use of Resistant Cucumis metuliferus for Selection of Nitrous-Acid Induced Attenuated Strains of Papaya Ringspot Virus. Shyi-Dong Yeh, Ying-Huey Cheng. Pages 1257-1261. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Differentiation of Soybean Mosaic Virus Isolates by One-Dimensional Trypsin Peptide Maps Immunoblotted with Monoclonal Antibodies. J. H. Hill, H. I. Benner, T. A. Permar, T. B. Bailey, R. E. Andrews, Jr., D. P. Durand, and R. A. Van Deusen. Pages 1261-1265. VIEW ABSTRACT | VIEW ARTICLE
Cytology and Histology
Soilborne Wheat Mosaic Virus Antigen Binds to Cylindrical Inclusions of Potyviruses in Doubly Infected Cells of Wheat. Willem G. Langenberg. Pages 1265-1271. VIEW ABSTRACT | VIEW ARTICLE
Etiology
Double-Stranded RNAs in Mycelial Cultures of Agaricus bisporus Affected by La France Disease. Karen Koons, Beth Schlagnhaufer, and C. Peter Romaine. Pages 1272-1275. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Analysis of Disease Progress of Citrus Canker in Nurseries in Argentina. T. R. Gottwald, L. W. Timmer, and R. G. McGuire. Pages 1276-1283. VIEW ABSTRACT | VIEW ARTICLE
Resistance
Transgenic Plants that Express the Coat Protein Genes of Tobacco Mosaic Virus or Alfalfa Mosaic Virus Interfere with Disease Development of Some Nonrelated Viruses. Edwin J. Anderson, David M. Stark, Richard S. Nelson, Patricia A. Powell, Nilgen E. Tumer, and Roger N. Beachy. Pages 1284-1290. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Spore Production and Artificial Inoculation Techniques for Gremmeniella abietina. M. Marosy, R. F. Patton, and C. D. Upper. Pages 1290-1293. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
A Conducive Day Concept to Explain the Effect of Low Temperature on the Development of Scleroderris Shoot Blight. M. Marosy, R. F. Patton, and C. D. Upper. Pages 1293-1301. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Quantitative Assay of Pachymetra chaunorhiza, a Root Pathogen of Sugarcane in Australia. R. C. Magarey. Pages 1302-1305. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Development of Sampling Strategies for Pachymetra chaunorhiza, a Sugarcane Root Pathogen. R. C. Magarey. Pages 1306-1309. VIEW ABSTRACT | VIEW ARTICLE
Techniques
Cloned cDNA Probes for the Detection of Tomato Spotted Wilt Virus. A. E. Ronco, E. Dal Bó, P. D. Ghiringhelli, C. Medrano, V. Romanowski, A. N. Sarachu, and O. Grau. Pages 1309-1313. VIEW ABSTRACT | VIEW ARTICLE
Genetics
Nonrandom Distribution of Virulence and Phenotypic Diversity in Two Populations of Puccinia recondita f. sp. tritici in Canada. J. A. Kolmer. Pages 1313-1317. VIEW ABSTRACT | VIEW ARTICLE
Ecology and Epidemiology
Measurement of Expanding Oak Wilt Centers in Live Oak. D. N. Appel, R. C. Maggio, E. L. Nelson, and M. J. Jeger. Pages 1318-1322. VIEW ABSTRACT | VIEW ARTICLE
